Archive

2023  74

June  4

How to install and update vault license

June 9, 2023 · milosz · Vault

How to manage LXD containers as regular user

June 7, 2023 · milosz · LXD · RaspberryPi

How to query and alter JSON documents

June 5, 2023 · milosz · JSON

How to display UUID for Linux Software RAID devices

June 2, 2023 · milosz · Software RAID

May  14

How to alter default SOGo refresh view interval

May 31, 2023 · milosz · Mailcow · SOGo

How to cut and paste Debian package lists

May 29, 2023 · milosz

How to display a scheduled Hugo posts

May 26, 2023 · milosz · Hugo · Shell script

How to use Mailcow inside Tailscale network with ACME certificate

May 24, 2023 · milosz · Mailcow · Tailscale

How to perform automated auditing using lighthouse

May 22, 2023 · milosz · Software recommendation

How to wait for service activation during Ansible playbook execution

May 19, 2023 · milosz · Ansible

How to determine ZooKeeper version using command-line utilities

May 17, 2023 · milosz · ZooKeeper

How to check IP address of specific domain name using curl utility

May 15, 2023 · milosz

How to send message to every tmux session

May 12, 2023 · milosz · Tmux

How to inspect mount options

May 10, 2023 · milosz · Debian Bullseye · Debian

How to check the SHA checksum using shell script

May 8, 2023 · milosz

How to remove key from JSON object

May 5, 2023 · milosz · JSON

How to determine when LXD instance was started

May 3, 2023 · milosz · LXD · JSON

How to install Outline VPN server

May 1, 2023 · milosz · VPN

April  12

How to display inotify watches and instances using dedicated application

April 28, 2023 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to securely edit configuration files as specific user

April 26, 2023 · milosz · Linux

How to list manually installed packages

April 24, 2023 · milosz · Ubuntu Impish Indri · Ubuntu

How to check time in different timezone

April 21, 2023 · milosz

How to increase the maximum number of file watches that are allowed for each user

April 19, 2023 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to display OpenSSH daemon configuration

April 17, 2023 · milosz · OpenSSH

How to distinguish between rotational and non-rotational block devices

April 14, 2023 · milosz · Ubuntu · Ubuntu Impish Indri · JSON

How to restart docker service without affecting running containers

April 12, 2023 · milosz · Docker

How to automatically add identity to the SSH authentication agent

April 10, 2023 · milosz · OpenSSH

How to display systemd journal since system boot

April 7, 2023 · milosz · Debian Bullseye · Debian · systemd

How to install and execute Python applications as regular user

April 5, 2023 · milosz · Ubuntu · Jammy

How to check if network subnets are overlapping each other

April 3, 2023 · milosz · Python3

March  15

How to display basic computer information using DMI table decoder

March 31, 2023 · milosz · Debian Bullseye · Debian

How to control the wget dot display

March 29, 2023 · milosz

How to check version of a dockerized application

March 27, 2023 · milosz · Docker

How to display Tailscale key expiration

March 24, 2023 · milosz · Tailscale

How to inspect OpenSSH configuration

March 22, 2023 · milosz · OpenSSH

How to add or remove user from a group

March 20, 2023 · milosz

How to identify hardware network interfaces

March 17, 2023 · milosz · JSON

How to bind to a non-local IP address

March 15, 2023 · milosz · HAProxy · Ubuntu · Ubuntu Jammy Jellyfish · sysctl

How to detect new group and update environment during live session

March 13, 2023 · milosz

How to install simple to use screenshot application

March 12, 2023 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to join a group and update environment during live session

March 10, 2023 · milosz

How to determine command used to start docker conainer

March 8, 2023 · milosz · LXD · RaspberryPi

How to keep specific package version

March 6, 2023 · milosz · Debian · Ubuntu

How to deal with too many authentication failures

March 3, 2023 · milosz · OpenSSH

How to perform S.M.A.R.T. test

March 1, 2023 · milosz

February  14

How to configure Tailscale daemon as regular user

February 27, 2023 · milosz · Tailscale

How to serve Hugo using code-server

February 24, 2023 · milosz · code-server

How to install VS Code server

February 22, 2023 · milosz · RaspberryPi · code-server

How to use Cloudflare’s PKI and TLS toolkit to check online certificate

February 21, 2023 · milosz · Cloudflare · JSON

How to use Tailscale to generate certificate

February 20, 2023 · milosz · Tailscale

How to use Cloudflare’s PKI and TLS toolkit

February 17, 2023 · milosz · Cloudflare · Ubuntu Jammy Jellyfish · Ubuntu

How to configure Advanced Power Management features on removable hard drives

February 15, 2023 · milosz · RaspberryPi

How to disable Ubuntu APT news

February 13, 2023 · milosz · Ubuntu

How to install Forgejo using podman

February 11, 2023 · milosz · Ubuntu · Software recommendation

How to determine software RAID array state

February 10, 2023 · milosz · Software RAID

How to use BASH here documents

February 8, 2023 · milosz · Bash

How to enable write-intent bitmap on software RAID devices

February 6, 2023 · milosz · Software RAID

How to reset Portainer password

February 3, 2023 · milosz · Portainer

How to monitor multiple log files at once

February 1, 2023 · milosz

January  15

How to get current Tailscale DNS name

January 30, 2023 · milosz · Tailscale

How to install user-friendly alternative to find

January 27, 2023 · milosz · Debian Bullseye · Debian · Software recommendation

How to configure Wake-on-LAN using systemd

January 25, 2023 · milosz · Debian Bullseye · Debian

How to execute systemctl command asynchronously

January 23, 2023 · milosz · systemd

How to fix missing GRUB device map file

January 21, 2023 · milosz

How to configure systemd service as regular user

January 20, 2023 · milosz · systemd

How to configure wireless connection using command-line utility

January 18, 2023 · milosz · Ubuntu · Ubuntu Jammy

How to send magic packet

January 16, 2023 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to automatically push current branch

January 13, 2023 · milosz · Git

How to start interactive shell using systemd machine manager

January 11, 2023 · milosz · systemd

How to use docker-compose with systemd

January 9, 2023 · milosz · Docker · systemd

How to install Tailscale DERP server

January 6, 2023 · milosz · Tailscale · Enhanced security

How to enable Consul maintenance mode

January 4, 2023 · milosz · Consul · JSON

How to generate new vault keys

January 2, 2023 · milosz · Vault

How to enable HashiCorp Vault audit logs

January 1, 2023 · milosz · HAProxy · Vault

2022  192

December  18

How to inspect firmware update using RACADM command-line utility

December 30, 2022 · milosz

How to lock OpenSSH authentication agent

December 28, 2022 · milosz · OpenSSH

How to generate new vault root token

December 26, 2022 · milosz · Vault · JSON

How to force curl to use HTTPS protocol

December 23, 2022 · milosz

How to display NVIDIA devices using command-line

December 21, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to use HAProxy to redirect connection to active Vault cluster

December 20, 2022 · milosz · HAProxy · Vault

How to quickly squash git commits

December 19, 2022 · milosz · Git

How to boot Raspberry Pi 4 from USB SSD

December 16, 2022 · milosz

How to overclock Raspberry Pi 4

December 15, 2022 · milosz

How to determine recommended NVIDIA driver

December 14, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to display hardware information the easy way

December 12, 2022 · milosz · Ubuntu

How to display every modified file in git repository

December 10, 2022 · milosz · Git

How to create directory with defined ownership and permissions

December 9, 2022 · milosz · Debian · Ubuntu

How to display disk space consumed by Mastodon

December 8, 2022 · milosz · Mastodon

How to execute Varnish Test Cases

December 7, 2022 · milosz · varnish

How to reset Maston password using terminal utility

December 6, 2022 · milosz · Mastodon

How to extract and parse LXD instance information

December 5, 2022 · milosz · LXD · JSON

How to determine available LXD server resources

December 2, 2022 · milosz · LXD

November  19

How to display IPv4 addresses without network utilities

November 30, 2022 · milosz

How to determine when Consul snapshot was created

November 29, 2022 · milosz · AWK · Consul

How to reload consul configuration

November 28, 2022 · milosz · Consul

How to create Consul snapshots for disaster recovery

November 25, 2022 · milosz · Consul

How to remove disabled snaps

November 23, 2022 · milosz · Ubuntu Impish Indri · snap · Ubuntu

How to change encryption key used for gossip messages

November 22, 2022 · milosz · Consul

How to keep custom number of snap revisions

November 21, 2022 · milosz · Ubuntu Impish Indri · snap · Ubuntu

How to create Mastodon maintenance jobs

November 19, 2022 · milosz · Mastodon

How to create persistent sysfs configuration using systemd

November 18, 2022 · milosz · systemd

How to use LibreTranslate with Mastodon

November 17, 2022 · milosz · Mastodon

How to inspect a path during the troubleshooting process

November 16, 2022 · milosz · Debian · Ubuntu

How to inspect consul metrics

November 15, 2022 · milosz · Consul · JSON

How to inspect remote GnuPG signing key

November 14, 2022 · milosz

How to bypass the OpenSSL security level

November 11, 2022 · milosz · Ubuntu Jammy Jellyfish · OpenSSL · Ubuntu

How to install Guest Agent inside Proxmox virtual machine

November 9, 2022 · milosz · Ubuntu Jammy Jellyfish · Proxmox · Ubuntu

How to check consistency of an EC or RSA private key

November 7, 2022 · milosz · OpenSSL

How to locate modified systemd unit configuration files

November 4, 2022 · milosz · systemd

How to enumerate vault root tokens

November 3, 2022 · milosz · Vault · JSON

How to ensure that HAProxy keep up with Docker name resolution

November 2, 2022 · milosz · Docker · HAProxy

October  16

How to manage monitor using DDC/CI protocol

October 31, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to manage command history using text-based user interface

October 29, 2022 · milosz · Debian Bullseye · Debian

How to load kernel modules at boot

October 28, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to determine when package index was updated

October 26, 2022 · milosz · Debian · Ubuntu

How to determine when service was started

October 24, 2022 · milosz · systemd

How to check memory subsystem from user space

October 21, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to execute non-executable binary

October 19, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to install Vault agent

October 17, 2022 · milosz · Vault

How to inspect consul configuration

October 15, 2022 · milosz · Consul · JSON

How to install and configure NTP server

October 14, 2022 · milosz · Debian Bullseye · Network Time Protocol · Debian

How to inspect dnf configuration

October 12, 2022 · milosz · CentOS · CentOS Stream

How to copy Proxmox virtual machine to another server

October 10, 2022 · milosz · Proxmox

How to configure OpenSSH server to use legacy public key algorithm to authenticate itself to an SSH client

October 7, 2022 · milosz · OpenSSH

How to install HasiCorp Vault

October 5, 2022 · milosz · Vault

How to display active but disabled systemd services

October 3, 2022 · milosz · Debian Bullseye · Debian · systemd

How to inspect vault configuration

October 1, 2022 · milosz · Vault

September  15

How to instruct consul to disable automatic checking for updates

September 30, 2022 · milosz · Consul

How to configure Unbound DNS validating resolver

September 28, 2022 · milosz · RaspberryPi

How to lookup specific element in Ansible dictionary or list of these

September 26, 2022 · milosz · Ansible

How to display currently connected wireless network

September 24, 2022 · milosz · RaspberryPi

How to configure Consul Access Control Lists

September 23, 2022 · milosz · Consul

How to parse and filter dpkg database

September 21, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to configure cursor size using command-line utility

September 19, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to block IP address using Dynamic Firewall Manager

September 16, 2022 · milosz · firewalld

How to scan wireless networks

September 15, 2022 · milosz · RaspberryPi

How to access service socket as a regular user

September 14, 2022 · milosz · Debian Bullseye · Debian · HAProxy · systemd

How to control Power Profiles daemon using command-line

September 12, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to secure Consul communication

September 9, 2022 · milosz · Consul

How to determine maximum memory capacity

September 7, 2022 · milosz · Hardware

How to display hardware information

September 5, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to immediately drop incoming and outgoing packets using Dynamic Firewall Manager

September 2, 2022 · milosz · firewalld

August  17

How to use go-sockaddr template to define IP address

August 31, 2022 · milosz · Consul

How to install and configure Consul

August 29, 2022 · milosz · Consul · Ubuntu Jammy Jellyfish · Ubuntu

How to forward port using Dynamic Firewall Manager

August 26, 2022 · milosz · firewalld

How to configure persistent DNS resolver

August 24, 2022 · milosz · Debian Bullseye · Debian

How to manage wireless Logitech devices using command-line

August 23, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to permanently disable DPMS using Xorg

August 22, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to use Dynamic Firewall Manager

August 19, 2022 · milosz · Debian Bullseye · Debian · firewalld

How to noninteractively configure system locales

August 17, 2022 · milosz · Debian Bullseye · Debian

How to create watchdog for systemd service

August 15, 2022 · milosz · Debian Bullseye · Debian · Python · Redis · systemd

How to use consistent exit codes in shell scripts

August 12, 2022 · milosz · FreeBSD · Documentation

How to prevent updating VirtualBox Guest Additions on the guest system

August 10, 2022 · milosz · Vagrant

How to automatically update docker containers whenever new image is released

August 9, 2022 · milosz · Docker

How to determine fastest server using ICMP

August 8, 2022 · milosz · Debian Bullseye · Debian

How to parse Trello export file

August 7, 2022 · milosz · Python3 · JSON

How to define key expiration time in OpenSSH authentication agent

August 5, 2022 · milosz · OpenSSH

How to display weather forecast inside terminal

August 3, 2022 · milosz

How to define ticket lifetime and renewable time

August 1, 2022 · milosz · Kerberos

July  16

How to compare files in a human-friendly way

July 29, 2022 · milosz · Git

How to install guest tools inside XCP-ng VM

July 27, 2022 · milosz · XCP-ng

How to flush buffers on a specific device

July 26, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to increase the limit of the mmap counts

July 25, 2022 · milosz · Elasticsearch · sysctl

How to alter date format when listing cached Kerberos tickets

July 22, 2022 · milosz · Debian Bullseye · Debian · Kerberos

How to disable IPv6 on Raspberry Pi 4

July 20, 2022 · milosz · RaspberryPi · sysctl

How to determine session type

July 18, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to configure HashiCorp repository

July 16, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to reload network configuration

July 15, 2022 · milosz · Debian Bullseye · Debian

How to create Virtual eXtensible Local Area Network interfaces

July 13, 2022 · milosz · Debian Bullseye · Debian

How to instruct dnf to skip confirmation dialog

July 11, 2022 · milosz · CentOS · CentOS Stream

How to ensure that every Ubuntu virtual machine get its own IP address

July 8, 2022 · milosz · Ubuntu Jammy Jellyfish · Proxmox · Ubuntu

How to automatically rollover Elasticsearch index

July 6, 2022 · milosz · Elasticsearch · JSON

How to install recent kernel using experimental Debian distribution

July 5, 2022 · milosz · Debian Bullseye · Debian

How to automatically use jump proxy when initiating SSH connection

July 4, 2022 · milosz · OpenSSH

How to display systemd journal for specific service since it started

July 1, 2022 · milosz · Debian Bullseye · Debian · systemd

June  14

How to display CPU information

June 29, 2022 · milosz · Ubuntu · Ubuntu Impish Indri · JSON

How to follow data appended to a file using tail command

June 27, 2022 · milosz · Debian Bullseye · Debian · Linux

How to configure multiple IP addresses on Raspberry Pi device

June 24, 2022 · milosz · RaspberryPi

How to determine when service was started and stopped using the systemd journal

June 22, 2022 · milosz · Debian Bullseye · Debian · systemd

How to display boot times and uptime using systemd journal

June 20, 2022 · milosz · Debian Bullseye · Debian · systemd

How to read QR Code from an image

June 17, 2022 · milosz · Debian Bullseye · Debian · QR Code

How to generate QR Code to access the Wi-Fi network

June 15, 2022 · milosz · Debian Bullseye · Debian · QR Code

How to provide custom TXT records in CHAOS class using BIND9

June 13, 2022 · milosz · BIND · Debian Bullseye · Debian

How to renew Kerberos ticket

June 10, 2022 · milosz · Kerberos

How to mount host directory inside LXD container

June 8, 2022 · milosz · LXD

How to display wget downloaded content on standard output

June 6, 2022 · milosz · wget

How to set the title for GNOME terminal emulator

June 5, 2022 · milosz · Ubuntu

How to display BIND version and hide it

June 3, 2022 · milosz · BIND

How to disable onboard WiFi and Bluetooth on Raspberry Pi 4

June 1, 2022 · milosz · RaspberryPi

May  16

How to configure minimal MIT Kerberos server

May 30, 2022 · milosz · Kerberos

How to specify the exact list of enabled PAM profiles

May 27, 2022 · milosz · Debian Bullseye · Debian

How to unlock user account in Samba Active Directory

May 25, 2022 · milosz · Active Directory · Samba

How to configure static IP address on Raspberry Pi

May 23, 2022 · milosz · RaspberryPi

How to access wireless network on Raspberry Pi

May 22, 2022 · milosz · RaspberryPi

How to configure SSH access using Samba Active Directory

May 20, 2022 · milosz · Active Directory · Debian Bullseye · Debian · Samba

How to manage global password policy settings in Samba Active Directory

May 18, 2022 · milosz · Active Directory · Samba

How to manage UNIX groups and users in Samba Active Directory

May 16, 2022 · milosz · Active Directory · Samba

How to archive entire web page in a single HTML file

May 13, 2022 · milosz · Debian · Ubuntu

How to create Samba Active Directory server

May 11, 2022 · milosz · Active Directory · Debian Bullseye · Debian

How to parse the fastest available dnf mirror data

May 10, 2022 · milosz · CentOS · CentOS Stream

How to improve dnf download times

May 9, 2022 · milosz · CentOS · CentOS Stream

How to fix failed dynamic DNS update with Samba Active Directory and System Security Services Daemon

May 6, 2022 · milosz · Active Directory · Debian Bullseye · Debian · Samba · sssd

How to determine fastest APT server using the ICMP

May 4, 2022 · milosz · Debian Bullseye · Debian

How to take advantage of Docker to install Mastodon

May 2, 2022 · milosz · Mastodon

How to install Ubuntu Release Upgrader on an older system

May 1, 2022 · milosz · Ubuntu Focal Fossa · Ubuntu

April  18

How to fix pkeys are immutable error inside Vagrant on Ubuntu Jammy Jellyfish

April 30, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to enumerate power sources and display battery status

April 29, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to check System Security Services Daemon configuration

April 27, 2022 · milosz · sssd

How to configure System Security Services Daemon disable SUDO Smart Refresh task

April 25, 2022 · milosz · Active Directory · sssd

How does Samsung SSD T7 perform on Raspberry Pi

April 23, 2022 · milosz · RaspberryPi

How identify Raspberry Pi device using built-in leds

April 22, 2022 · milosz · RaspberryPi

How to pretty print ping output

April 20, 2022 · milosz

How to configure System Security Services Daemon to update Active Directory DNS using custom interval

April 18, 2022 · milosz · Active Directory · sssd

How to fix i801 SMBus interrupt storm

April 17, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to improve apt download times

April 15, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to upgrade Ubuntu 21.10 LTS to the latest development version of Ubuntu 22.04 release

April 13, 2022 · milosz · Ubuntu Impish Indri · Ubuntu Jammy Jellyfish · Ubuntu

How to convert text file in DOS format to Unix format

April 12, 2022 · milosz · Ubuntu Jammy Jellyfish · Ubuntu

How to display remote address using Nginx

April 11, 2022 · milosz · nginx

How to determine mountpoint filesystem type

April 8, 2022 · milosz · Debian Bullseye · Debian

How to install a tiny and unobtrusive terminal file manager

April 7, 2022 · milosz · Debian Bullseye · Debian · Software recommendation

How to display current bandwidth grouped by a process

April 6, 2022 · milosz · Debian Bullseye · Debian

How to delay the start of the systemd service

April 4, 2022 · milosz · Debian Bullseye · Debian · systemd

How to colorize command output

April 1, 2022 · milosz · Debian Bullseye · Debian

March  14

How to perform basic operations on zip archives

March 30, 2022 · milosz · Debian Bullseye · Debian

How to display Raspberry Pi serial number

March 28, 2022 · milosz · RaspberryPi

How to determine cipher used to encrypt the private key

March 25, 2022 · milosz · OpenSSL

How to use multi-stage build to compile an application

March 23, 2022 · milosz · Debian Bullseye · Debian · Docker · nginx · Podman

How to install human-friendly apt front-end

March 22, 2022 · milosz · Debian · Ubuntu

How to display information about NVMe storage device

March 21, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to inspect ZooKeeper logs and snapshots

March 18, 2022 · milosz · ZooKeeper

How to debug ZooKeeper SSL connection issues

March 16, 2022 · milosz · ZooKeeper

How to share USB device over network

March 14, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to use specific Vagrant box version

March 11, 2022 · milosz · Vagrant

How to create and encrypt RSA or EC private key using general utilities

March 9, 2022 · milosz · OpenSSL

How to remove old ZooKeeper snapshots and transaction logs

March 7, 2022 · milosz · ZooKeeper

How to install cross-platform shell prompt

March 4, 2022 · milosz

How to secure the ZooKeeper client communication

March 2, 2022 · milosz · ZooKeeper

February  15

How to secure the ZooKeeper quorum communication

February 28, 2022 · milosz · ZooKeeper

How to generate static website for an old ArchiveBox archive

February 26, 2022 · milosz · ArchiveBox

How to handle low memory conditions on desktop

February 25, 2022 · milosz · Debian Bullseye · Debian

How to determine and restore preferred leader for specific Kafka topic

February 23, 2022 · milosz · Kafka

How to inspect Kafka broker configuration

February 21, 2022 · milosz · Kafka

How to create and encrypt RSA or EC private key

February 18, 2022 · milosz · OpenSSL

How to determine Kafka version using command-line utilities

February 16, 2022 · milosz · Kafka

How to inspect LVM history using metadata archives

February 14, 2022 · milosz · LVM

How to keep a list of permanent ARP entries

February 11, 2022 · milosz · Debian Bullseye · Debian

How to extend LVM logical volume without free space on the root partition

February 9, 2022 · milosz · LVM

How to use DPMS to turn screen on or off

February 8, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to use PKCS #12 as ZooKeeper truststore

February 7, 2022 · milosz · ZooKeeper

How to define favorite applications on Ubuntu desktop

February 4, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to incorporate EDID into initrd image

February 2, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to define idle delay on Ubuntu desktop

February 1, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

January  14

How to identify a GNOME application that acquired an inhibitor lock

January 31, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to execute multiple Ansible tasks once per group

January 28, 2022 · milosz · Ansible

How to manage Kafka topics using command-line

January 26, 2022 · milosz · Kafka

How to distribute data evenly across all disks on a Hadoop datanode

January 24, 2022 · milosz · Hadoop · JSON

How to install privacy focused fork of Firefox

January 23, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to remove trash icon from sidebar on Ubuntu desktop

January 21, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to display ZooKeeper state for each server

January 19, 2022 · milosz · ZooKeeper

How to update reconfigurable properties on Hadoop node

January 17, 2022 · milosz · Hadoop

How to use solid color instead of picture on Ubuntu desktop

January 14, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

How to wait until service is running inside ansible playbook

January 12, 2022 · milosz · Ansible

How to put Hadoop datanodes in maintenance state

January 10, 2022 · milosz · Hadoop

How to use LVM thin provisioning

January 7, 2022 · milosz · Debian Bullseye · Debian · LVM

How to reassign Kafka topic partitions

January 5, 2022 · milosz · Kafka · JSON

How to identify YubiKey using dynamic device manager

January 3, 2022 · milosz · Ubuntu Impish Indri · Ubuntu

2021  168

December  16

How to ignore certificate verification errors when using wget

December 31, 2021 · milosz · wget

How to rebalance data across HDFS cluster

December 29, 2021 · milosz · Hadoop

How to alter memory allocation pool for Kafka and ZooKeeper

December 27, 2021 · milosz · Kafka · systemd · ZooKeeper

How to boot ISO file directly from USB drive

December 25, 2021 · milosz · Software recommendation

How to define cluster groups in Ansible inventory

December 24, 2021 · milosz · Ansible

How to define control domain memory inside XCP-ng

December 22, 2021 · milosz · XCP-ng

How to disable GC Logging for Kafka and bundled ZooKeeper

December 20, 2021 · milosz · Kafka · systemd · ZooKeeper

How to solve netcat mystery X

December 17, 2021 · milosz · Ubuntu Impish Indri · Ubuntu

How to take the advantage of dynamic DNS resolution in NGINX

December 15, 2021 · milosz · nginx

How to query Docker socket using curl

December 13, 2021 · milosz · Docker · JSON

How to install OpenSSH on DietPi operating system

December 11, 2021 · milosz · DietPi · OpenSSH

How to rotate Kafka logs

December 10, 2021 · milosz · Kafka

How to configure Grafana application within GitLab instance to accept self-signed certificate

December 8, 2021 · milosz · GitLab · Grafana

How to install GitLab runner on Raspberry Pi

December 6, 2021 · milosz · GitLab

How to delete Kafka messages

December 3, 2021 · milosz · Kafka

How to extract Kafka topic parameters using command-line utilities

December 1, 2021 · milosz · Kafka

November  14

How to display scoped labels inside free version of GitLab

November 29, 2021 · milosz · GitLab

How to debug ZooKeeper connection inside a Python script

November 26, 2021 · milosz · ZooKeeper

How to install GitLab on Raspberry Pi

November 24, 2021 · milosz · DietPi · GitLab · RaspberryPi · Ubuntu

How to install LXD on Raspberry Pi

November 22, 2021 · milosz · DietPi · RaspberryPi

How to enable memory cgroup on DietPi

November 20, 2021 · milosz · DietPi · RaspberryPi

How to downgrade cgroup version on DietPi

November 19, 2021 · milosz · DietPi · RaspberryPi

How to fix broken Prometheus service in GitLab arm64 14.4.2

November 17, 2021 · milosz · GitLab · Prometheus

How to reset offset of Kafka consumer group

November 15, 2021 · milosz · Kafka

How to use tmpfs for temporary directory

November 12, 2021 · milosz · Debian Bullseye · Debian · tmpfs

How to perform basic console operations on Kafka cluster

November 10, 2021 · milosz · Kafka

How to display active Kafka brokers

November 8, 2021 · milosz · Kafka

How to resize live tmpfs filesystem

November 5, 2021 · milosz · Debian Bullseye · Debian · tmpfs

How to align simple MariaDB output

November 3, 2021 · milosz · Debian Bullseye · Debian · MariaDB

How to install mainline Linux kernel on Ubuntu-based distribution

November 1, 2021 · milosz · Ubuntu

October  14

How to inspect and improve docker image using dive utility

October 29, 2021 · milosz · Debian Bullseye · Debian · Docker

How to install and configure a Kafka cluster without ZooKeeper

October 27, 2021 · milosz · Debian Bullseye · Debian · Kafka

How to install and configure a Kafka cluster with ZooKeeper

October 25, 2021 · milosz · Kafka

How to generate Kafka cluster ID

October 22, 2021 · milosz · Debian Bullseye · Debian · Kafka

How to use ZooKeeper to elect the leader with a Python script

October 20, 2021 · milosz · Python · Python3 · ZooKeeper

How to use ZooKeeper to lock resources with a Python script

October 18, 2021 · milosz · Python · Python3 · ZooKeeper

How to enable ZooKeeper the four-letter words

October 15, 2021 · milosz · ZooKeeper

How to relay all mail to external account

October 13, 2021 · milosz · Debian Bullseye · Debian · Postfix

How to provide additional JVM options to ZooKeeper instance

October 11, 2021 · milosz · ZooKeeper

How to display ZooKeeper startup options

October 8, 2021 · milosz · ZooKeeper

How to protect Samba DNS server against DNS zone transfer

October 7, 2021 · milosz · Active Directory · Debian Bullseye · Debian · Samba

How to execute ZooKeeper commands using command-line interface

October 6, 2021 · milosz · ZooKeeper

How to enable ZooKeeper audit logging

October 4, 2021 · milosz · ZooKeeper

How to configure ZooKeeper cluster

October 1, 2021 · milosz · ZooKeeper

September  15

How to install standalone ZooKeeper server

September 29, 2021 · milosz · ZooKeeper

How to log HDFS operations

September 27, 2021 · milosz · Hadoop

How to create a new tmux window with a given name

September 24, 2021 · milosz · Tmux

How to inspect mitigations for CPU vulnerabilities

September 23, 2021 · milosz · JSON

How to create Yarn nodes whitelist

September 22, 2021 · milosz · Hadoop

How to save namespace and perform checkpoint

September 20, 2021 · milosz · Hadoop

How to squash Docker image

September 17, 2021 · milosz · Docker

How to inspect Hadoop configuration using command-line

September 15, 2021 · milosz · Hadoop

How to mount HDFS as a local file system

September 13, 2021 · milosz · Hadoop

How to create custom WordPress post type

September 12, 2021 · milosz · WordPress

How to enable Control Group v2

September 10, 2021 · milosz · Ubuntu Impish Indri · Podman · Ubuntu

How to create personal tmux configuration

September 8, 2021 · milosz · Tmux

How to build DokuWiki container with podman

September 6, 2021 · milosz · DokuWiki · Podman

How to pretty-print text files inside terminal

September 3, 2021 · milosz · Debian Bullseye · Debian · Software recommendation

How to create Hadoop data nodes whitelist

September 1, 2021 · milosz · Hadoop

August  17

How to leave Hadoop safe mode

August 30, 2021 · milosz · Hadoop

How to use docker-compose to setup a WordPress instance

August 29, 2021 · milosz · WordPress

How to install SmokePing on Debian Bullseye

August 27, 2021 · milosz · Debian Bullseye · Debian · SmokePing

How to limit the number of available processors

August 25, 2021 · milosz · Debian Bullseye · Debian

How to decommission Yarn node

August 23, 2021 · milosz · Hadoop

How to prepare Microsoft Windows USB installation media on Linux using WoeUSB

August 21, 2021 · milosz · Linux · Microsoft

How to manage custom DNS records on a Pi-hole instance

August 20, 2021 · milosz · DietPi · Pi-hole

How to decommission HDFS datanode

August 18, 2021 · milosz · Hadoop

How to create LXD image from an existing snapshot

August 16, 2021 · milosz · LXD

How to display Hadoop cluster report

August 13, 2021 · milosz · Hadoop

How to insert control characters inside text terminal

August 12, 2021 · milosz · Linux

How to disable Pi-hole query rate-limiting

August 11, 2021 · milosz · Pi-hole

How to deal with missing snapshot after ZooKeeper upgrade

August 9, 2021 · milosz · ZooKeeper

How to install DNS lookup utility

August 7, 2021 · milosz · Debian Bullseye · Debian · DietPi

How to load native Hadoop libraries

August 6, 2021 · milosz · Hadoop

How to install Cluster Manager for Apache Kafka

August 4, 2021 · milosz · Debian Bullseye · Debian · ZooKeeper

How to update Hadoop heartbeat interval

August 2, 2021 · milosz · Hadoop

July  16

How to perform reverse DNS lookups

July 30, 2021 · milosz

How to validate Hadoop configuration files

July 28, 2021 · milosz · Hadoop

How to record terminal session in a tmux friendly way

July 26, 2021 · milosz · Tmux

How to adjust Firefox UI density

July 25, 2021 · milosz · Firefox

How to determine which SSH public key was uploaded to the web service

July 23, 2021 · milosz · Debian Bullseye · Debian

How to configure Hadoop topology mapping

July 21, 2021 · milosz · Hadoop

How to export 1Password data

July 19, 2021 · milosz · JSON

How to display IP address in a more readable format

July 16, 2021 · milosz · Debian Bullseye · Debian

How to perform basic HDFS operations

July 14, 2021 · milosz · Hadoop

How to install ArchiveBox on RaspberryPi

July 12, 2021 · milosz · ArchiveBox · RaspberryPi

Where to find Audacity fork

July 10, 2021 · milosz · Software recommendation

How to switch from Dropbear to OpenSSH on DietPi

July 9, 2021 · milosz · DietPi · RaspberryPi

How to display current mappings for encrypted devices

July 7, 2021 · milosz · JSON

How to open LUKS2 encrypted volume on a low memory device

July 5, 2021 · milosz · DietPi · RaspberryPi

How to upgrade Ubuntu distribution using GUI

July 3, 2021 · milosz · Ubuntu

How to deal with high user id in a dockerfile

July 2, 2021 · milosz · Docker

June  13

How to clear Pi-hole audited domains list

June 30, 2021 · milosz · Pi-hole

How to create Hadoop cluster

June 28, 2021 · milosz · Debian Bullseye · Debian · Hadoop

How to export block devices list as JSON

June 25, 2021 · milosz · Ubuntu Focal Fossa · System management · Ubuntu

How to open Firefox bookmarks using Rofi

June 23, 2021 · milosz · Firefox

How to configure MariaDB to log slow queries

June 21, 2021 · milosz · Debian Bullseye · Debian · MariaDB

How to parse apt history log

June 18, 2021 · milosz · Debian Bullseye · Debian · System management

How to concatenate regular and gzip compressed files

June 16, 2021 · milosz · Debian Bullseye · Debian

How to increase the maximum permitted connections to MariaDB server

June 14, 2021 · milosz · Debian Bullseye · Debian · MariaDB

How to load time zone tables into MariaDB server

June 11, 2021 · milosz · Debian Bullseye · Debian · MariaDB

How to recover deleted photos

June 9, 2021 · milosz · Recovery · Ubuntu

How to update Grub configuration on CentOS server

June 7, 2021 · milosz · CentOS

How to create Ansible filters

June 4, 2021 · milosz · Ansible · Python · Python3

How to get a better overview of a particular git branch

June 2, 2021 · milosz · Git

May  13

How to log systemd service state changes

May 31, 2021 · milosz · Debian Bullseye · Debian · systemd

How to display current date-time in different timezone

May 28, 2021 · milosz · Debian Bullseye · Debian

How to start service on the privileged port as a regular user

May 26, 2021 · milosz · Ubuntu

How to dynamically route HTTPS traffic to LXD instances

May 24, 2021 · milosz

How to update tar archive

May 21, 2021 · milosz · Backup

How to provide encryption password when using OpenSSL utility

May 19, 2021 · milosz · OpenSSL

How to install AdGuard Home

May 17, 2021 · milosz

How to access specific file occurrence in tar archive

May 14, 2021 · milosz

How to encrypt or decrypt files using OpenSSL utility

May 12, 2021 · milosz · OpenSSL

How to define multiple disks inside Vagrant using VirtualBox provider

May 10, 2021 · milosz · Vagrant

How to display custom message after vagrant machine is started

May 7, 2021 · milosz · Vagrant

How to get service PID using systemctl

May 5, 2021 · milosz · Debian Bullseye · Debian · systemd

How to wipe partition-table signatures with one exception

May 3, 2021 · milosz · Debian Bullseye · Debian · LVM

April  13

How to execute specific vagrant provisioner every time the virtual machine is started

April 30, 2021 · milosz · Vagrant

How to display kernel slab cache information

April 28, 2021 · milosz · Command-line · System management

How to define IP address inside multi-domain SSL certificate

April 26, 2021 · milosz · OpenSSL

How to disable Network Manager connectivity checks

April 23, 2021 · milosz · Ubuntu

How to get package URL on CentOS

April 21, 2021 · milosz · CentOS

How to use Nginx reverse proxy to limit external calls inside web-browser

April 19, 2021 · milosz

How to dry-run CentOS upgrade process

April 16, 2021 · milosz · CentOS

How to extend RandR valid modes for an output

April 14, 2021 · milosz · Ubuntu

How to add an encrypted hard disk

April 12, 2021 · milosz

How to write an operating system to microSD card using graphical user interface

April 9, 2021 · milosz · Debian Bullseye · Debian · RaspberryPi

How to deal with overlapping LVM names

April 7, 2021 · milosz · LVM · Ubuntu

How to suppress SSH banner

April 5, 2021 · milosz · OpenSSH

How to check if the certificate matches DNS name or IP address

April 2, 2021 · milosz · OpenSSL

March  14

How to export every LXD instance at once

March 31, 2021 · milosz · LXD

How to use lightweight compressed cache for swap pages

March 29, 2021 · milosz · Ubuntu Focal Fossa · Ubuntu

How to create a multi-domain SSL certificate without common name

March 26, 2021 · milosz · OpenSSL

How to generate a base64-encoded secret

March 24, 2021 · milosz · OpenSSL

How to list file names and their contents

March 22, 2021 · milosz · AWK · Command-line

How to configure swap using zram at boot

March 19, 2021 · milosz · Ubuntu Focal Fossa · System management · Ubuntu

How to use compressed RAM based block devices

March 17, 2021 · milosz · Ubuntu Focal Fossa · System management · Ubuntu

How to disable concurrent builds in Jenkins

March 15, 2021 · milosz · Jenkins

How to quickly preview WordPress schedule

March 12, 2021 · milosz · WordPress

How to dynamically define Ansible SSH user

March 10, 2021 · milosz · Ansible

How to display process statistics

March 8, 2021 · milosz · Debian Buster · Command-line · Debian · System monitoring

How to display available versions of Python package

March 5, 2021 · milosz · Python3

How to manage systemd services remotely

March 3, 2021 · milosz · Debian Buster · Debian · systemd

How to edit file in-place

March 1, 2021 · milosz · Debian Buster · Command-line · Debian

February  11

How to fix device excluded by a filter

February 26, 2021 · milosz · Debian Buster · Debian · LVM

How to create the simplest possible nftables firewall

February 24, 2021 · milosz · Debian Bullseye · Debian · Enhanced security · nftables

How to install Nexus Repository Manager 3

February 22, 2021 · milosz · Debian Buster · Debian · Software recommendation

How do display physical volumes associated with the volume group

February 17, 2021 · milosz · LVM

How to use templates inside shell scripts

February 15, 2021 · milosz · Bash · Debian

How to check the HashiCorp software version

February 12, 2021 · milosz · JSON

How to lock specified packages from being updated

February 10, 2021 · milosz · CentOS

How to display strace summary

February 8, 2021 · milosz · Command-line · Debian

How to trace terraform execution

February 5, 2021 · milosz · Terraform

How to define JAVA_HOME

February 3, 2021 · milosz · Java

How to combine group variables with specific names

February 1, 2021 · milosz · Ansible

January  12

How to define build name and description in Jenkins

January 29, 2021 · milosz · Jenkins

How to create site-to-site connection using IPsec

January 27, 2021 · milosz · Enhanced security · Ubuntu · Ubuntu Focal Fossa · Networking

How to combine group variables by parsing group configuration files

January 25, 2021 · milosz · Ansible

How to restart service on every configuration change

January 20, 2021 · milosz · Debian Buster · Debian · systemd · varnish

How to display ansible configuration settings that have changed from the default

January 18, 2021 · milosz · Ansible

How to display Java settings

January 15, 2021 · milosz · Java

How to force specific language in Jenkins

January 13, 2021 · milosz · Jenkins

How to store and visualize playbook events

January 11, 2021 · milosz · Ansible · Debian Buster · Debian · JUnit

How to ensure that OpenSSH client uses explicitly configured authentication identity

January 8, 2021 · milosz · Command-line · Linux · OpenSSH · System management

How to fix multipath daemon error about missing path when using VirtualBox

January 6, 2021 · milosz · Ubuntu Focal Fossa · System management · Ubuntu · VirtualBox

How to access ansible facts regardless of the target limits

January 4, 2021 · milosz · Ansible

How to deal with non-obvious lack of free space when using lxd snap

January 1, 2021 · milosz · LXD

2020  155

December  12

How to configure Vagrant to ignore SSL certificate

December 30, 2020 · milosz · Vagrant · VirtualBox

How to alter JSON documents

December 28, 2020 · milosz · JSON

How to pretty print decimal or binary numbers

December 23, 2020 · milosz · Debian Buster · Command-line · Debian

How to create LXD instance from snapshot

December 21, 2020 · milosz · LXD

How to log specific Varnish requests

December 18, 2020 · milosz · Debian Buster · Debian · systemd · varnish

How to configure the Vagrant virtual machine to use a specific proxy

December 16, 2020 · milosz · Enhanced security · Vagrant · VirtualBox

How to use virtual memory filesystem to store Varnish Shared memory Log

December 14, 2020 · milosz · Debian Buster · Debian · systemd · varnish

How to restart systemd service in case of failure

December 11, 2020 · milosz · System management · systemd

How to alter task history retention inside Docker Swarm cluster

December 9, 2020 · milosz · Docker · Docker Swarm

How to determine which services need to be restarted

December 7, 2020 · milosz · Debian Buster · Debian · System management

How to execute terraform in an offline mode

December 4, 2020 · milosz · Terraform

How to deal with many small log files using Filebeat

December 2, 2020 · milosz · Filebeat · Linux · System monitoring

November  13

How to log SSL cipher and protocol information in Nginx

November 30, 2020 · milosz · Enhanced security · nginx

How to install XWiki

November 27, 2020 · milosz · Debian Buster · Debian

How to create MongoDB cluster using Docker

November 25, 2020 · milosz · Docker · MongoDB

How to create a MongoDB container with a designated user

November 23, 2020 · milosz · Docker · MongoDB

How to redeploy master certificate in OpenShift 3.11

November 20, 2020 · milosz · Command-line · OpenShift · OpenShift 3.11 · JSON

How to replace router certificate in OpenShift 3.11

November 18, 2020 · milosz · Command-line · OpenShift · OpenShift 3.11

How to access rdiff-backup repository using fuse

November 16, 2020 · milosz · Debian Buster · Command-line · Debian · FUSE · rdiff-backup · System management

How to trace packets as they pass through the firewall

November 13, 2020 · milosz · Enhanced security · iptables · Linux

How to enforce dynamically generated passwords for basic authentication

November 11, 2020 · milosz · HAProxy · Lua

How to install OpenJDK 8 on Debian

November 9, 2020 · milosz · Debian · Java

How to use specific Vagrantfile

November 6, 2020 · milosz · Vagrant

How to create custom bash prompt

November 4, 2020 · milosz · Bash · Linux · System management

How to rebalance Docker service

November 2, 2020 · milosz · Docker · Docker Swarm

October  13

How to execute rc.local shell script during boot using systemd

October 30, 2020 · milosz · Debian Buster · Debian · Linux · System management

How to create Elasticsearch cluster using docker

October 28, 2020 · milosz · Docker · Elasticsearch

How to perform shell script analysis

October 26, 2020 · milosz · Debian Buster · Debian · Linux · Software recommendation

How to enforce specific referer header using nginx

October 23, 2020 · milosz · Enhanced security · nginx

How to deploy Portainer stack inside Docker Swarm cluster

October 21, 2020 · milosz · Docker · Docker Swarm · Portainer

How to display packages that are no longer required

October 19, 2020 · milosz · Debian · System management · Ubuntu

How to calculate Elasticsearch average documents number in recent days

October 16, 2020 · milosz · Debian Buster · Debian · Elasticsearch · Shell script

How extend existing ext4 filesystem using systemd service

October 14, 2020 · milosz · Debian Buster · Debian · System management

How to retry Elasticsearch shard allocation

October 12, 2020 · milosz · Debian Buster · Debian · Elasticsearch · JSON

How to format and beautify Nginx configuration

October 9, 2020 · milosz · Linux · nginx · Software recommendation

How to install Kubernetes on LXD

October 7, 2020 · milosz · Ubuntu Focal Fossa · Kubernetes · Ubuntu

How to display bind mounts

October 5, 2020 · milosz · Linux · System management

How to display command to join Kubernetes cluster

October 2, 2020 · milosz · Kubernetes · JSON

September  13

How to calculate Elasticsearch hit ratio

September 30, 2020 · milosz · Debian Buster · Debian · Elasticsearch · JSON

How to delete old Elasticsearch indices

September 28, 2020 · milosz · Debian Buster · Debian · Elasticsearch

How to manage firewall rules on the LXD bridge

September 25, 2020 · milosz · Ubuntu Focal Fossa · LXD · Ubuntu

How to determine when the operating system was booted

September 23, 2020 · milosz · Debian · Linux · System management

How to start using Docker Swarm

September 21, 2020 · milosz · Docker · Docker Swarm · Ubuntu Focal Fossa · Ubuntu

How to dockerize rdiff-backup with web interface

September 18, 2020 · milosz · Docker · rdiff-backup

How to reduce the size of the Docker container log file

September 16, 2020 · milosz · Debian Buster · Debian · Docker

How to specify custom SSH port when using rdiff-backup

September 14, 2020 · milosz · Debian Buster · Command-line · Debian · rdiff-backup

How to start Docker service at system boot

September 11, 2020 · milosz · Docker · Ubuntu Focal Fossa · Ubuntu

How to create swap file

September 9, 2020 · milosz · Debian Buster · Debian · System management

How to fix container which cannot be started

September 7, 2020 · milosz · Docker · Linux

How to extract specific file from tar archive

September 4, 2020 · milosz · Debian · Linux · System management

How to copy and paste inside Vim using mouse

September 2, 2020 · milosz · Vim

August  13

How to increase the number of connection attempts when using ansible

August 31, 2020 · milosz · Ansible · System management

How to check whether a full reboot is required

August 28, 2020 · milosz · CentOS · System management

How to increase the system-wide number of available file handles

August 26, 2020 · milosz · Linux · System management

How to perform hostname canonicalization

August 24, 2020 · milosz · Networking · OpenSSH · Python

How to create or delete Kibana index pattern using API

August 21, 2020 · milosz · Command-line · Kibana

How to alter Ubuntu desktop configuration using terminal

August 19, 2020 · milosz · Ubuntu Focal Fossa · Ubuntu

How to enable debugging log in nginx

August 17, 2020 · milosz · Enhanced security · nginx

How to configure HTPasswd identity provider in OpenShift 3.11

August 14, 2020 · milosz · OpenShift · OpenShift 3.11

How to clear bash history on logout

August 12, 2020 · milosz · Debian Buster · Debian · Enhanced security · System management

How to match network inside SSH client configuration

August 10, 2020 · milosz · Networking · OpenSSH · Python

How to define multiple SSH configurations for the same host

August 7, 2020 · milosz · Networking · OpenSSH

How to determine if hostname belongs to specific network

August 5, 2020 · milosz · Networking · Python

How to create dynamic configuration for load balancer in OpenShift 3.11

August 3, 2020 · milosz · OpenShift · OpenShift 3.11

July  14

How to create static configuration for load balancer in OpenShift 3.11

July 31, 2020 · milosz · OpenShift · OpenShift 3.11

How to expand swap partition after system installation

July 29, 2020 · milosz · Ubuntu Focal Fossa · LVM · Ubuntu

How to inspect parent processes

July 27, 2020 · milosz · Debian · System management

How to fix Ansible Service Broker in OpenShift 3.11

July 24, 2020 · milosz · OpenShift · OpenShift 3.11

How to fix registry console UI in OpenShift 3.11

July 22, 2020 · milosz · OpenShift · OpenShift 3.11

How to deal with missing AppArmor profiles for microk8s on LXD

July 20, 2020 · milosz · Ubuntu Focal Fossa · Kubernetes · LXD · Ubuntu

How to import Restya board into Wekan

July 17, 2020 · milosz · Restyaboard · Software recommendation

How to check available security updates

July 15, 2020 · milosz · CentOS · Enhanced security · Package management

How to use OpenSSL to manage PKCS #12 archive

July 13, 2020 · milosz · Command-line · OpenSSL · SSL Certificates

How to determine whether standard input file descriptor is referring to a terminal

July 10, 2020 · milosz · Debian · System management

How to reboot system during recovery

July 8, 2020 · milosz · Linux · System management

How to display default Elasticsearch settings

July 6, 2020 · milosz · Debian Buster · Debian · Elasticsearch

How to rebuild hawkular metrics after cluster deploy on OpenShift 3.11

July 3, 2020 · milosz · Command-line · OpenShift · OpenShift 3.11

How to limit bandwidth on specific network interface

July 1, 2020 · milosz · Debian Buster · Debian · Linux · System management

June  13

How to enable GitLab Container Registry

June 29, 2020 · milosz · Docker · GitLab

How to test TLS/SSL encryption anywhere on any port

June 26, 2020 · milosz · Debian Buster · Debian · Enhanced security

How to install Lens – The Kubernetes IDE

June 24, 2020 · milosz · Kubernetes

How to change system hostname

June 22, 2020 · milosz · Debian Buster · Debian · System management

How to install SmokePing

June 19, 2020 · milosz · Debian Buster · Debian · Networking · SmokePing · Software recommendation

How to manage RPM keyring

June 17, 2020 · milosz · CentOS · Package management

How to upgrade Ubuntu 18 LTS to the latest release

June 15, 2020 · milosz · Ubuntu Focal Fossa · System management · Ubuntu

How to install OpenShift client 3.11

June 12, 2020 · milosz · Command-line · OpenShift · OpenShift 3.11

How to hibernate system using systemd

June 10, 2020 · milosz · Ubuntu Focal Fossa · Ubuntu

How to inspect RabbitMQ settings using command-line

June 8, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to calculate real disk capacity

June 5, 2020 · milosz · Debian Buster · Command-line · Debian

How to fix SmokePing SSH probe on Debian Buster

June 3, 2020 · milosz · Debian Buster · Debian · Networking · SmokePing · Software recommendation

How to determine available authentication methods

June 1, 2020 · milosz · Command-line · Debian · Enhanced security · Networking · OpenSSH

May  13

How to determine SSL cipher suites supported by the web-server

May 29, 2020 · milosz · Linux · OpenSSL · Shell script

How disable network redirections

May 27, 2020 · milosz · Bash · Debian Buster · Debian · Enhanced security

How to use High-Performance Erlang compiler with RabbitMQ

May 25, 2020 · milosz · AMQP · RabbitMQ

How to display details for specific OpenSSL cipher

May 22, 2020 · milosz · Command-line · Linux · OpenSSL

How to define default Elasticsearch index settings

May 20, 2020 · milosz · Debian Buster · Debian · Elasticsearch

How to change the number of reserved filesystem blocks

May 18, 2020 · milosz · Linux · System management

How to undo fsck operations performed on the Ext4 filesystem

May 15, 2020 · milosz · Debian Buster · Command-line · Debian · System management

How to reindex directories located in the Ext4 filesystem

May 13, 2020 · milosz · Debian Buster · Command-line · Debian · System management

How to serve single file using HAProxy

May 11, 2020 · milosz · Debian Buster · Debian · HAProxy

How to pretty-print OpenSSL ciphers

May 8, 2020 · milosz · Linux · OpenSSL

How to inspect OpenSSH client configuration

May 6, 2020 · milosz · Command-line · Linux · OpenSSH · System management

How to share Git hooks between multiple repositories

May 4, 2020 · milosz · Git

How to temporarily stop auditd daemon

May 1, 2020 · milosz · Ansible · CentOS · System management

April  13

How to merge multi-process HAProxy statistics using GNU Awk

April 29, 2020 · milosz · Debian Buster · Debian · HAProxy · Linux · Lua

How to merge multi-process HAProxy statistics using Lua

April 27, 2020 · milosz · Debian Buster · Debian · HAProxy · Linux · Lua

How to increase maximum socket receive buffer size

April 24, 2020 · milosz · Graylog · Linux · sysctl

How to expand an existing XFS filesystem on LVM Logical Volume

April 22, 2020 · milosz · Command-line · Linux · LVM · System management

How to distribute messages to different RabbitMQ node

April 20, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to fix disconnecting Graylog node after upgrading from version 3.0 to 3.1

April 17, 2020 · milosz · Graylog

How to move messages to different RabbitMQ node

April 15, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to copy messages to different RabbitMQ node

April 13, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to update GitLab repository signing key

April 12, 2020 · milosz · GitLab

How to find out whether remote port is open using network redirections

April 10, 2020 · milosz · Bash · Debian Buster · Debian · Enhanced security

How to mirror RabbitMQ queues

April 8, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to create RabbitMQ cluster

April 6, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to display active Elasticsearch searches

April 1, 2020 · milosz · Debian Buster · Debian · Elasticsearch

March  13

How to display RabbitMQ Erlang processes

March 30, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to disable mitigations for CPU vulnerabilities

March 27, 2020 · milosz · Ubuntu Focal Fossa · Ubuntu

How to unmount stale NFS share

March 25, 2020 · milosz · Debian Buster · Debian · Networking · NFS · systemd

How to log every executed command

March 23, 2020 · milosz · Debian Buster · Debian · Enhanced security · System management

How to install CouchDB

March 20, 2020 · milosz · Debian Buster · CouchDB · Debian · JSON

How export or import RabbitMQ configuration

March 18, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to reset RabbitMQ node configuration

March 16, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ

How to generate password hash for CouchDB administrator

March 13, 2020 · milosz · Debian Buster · CouchDB · Debian · Python

How to display RabbitMQ version

March 11, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ

How to use OpenResty to perform health checks

March 9, 2020 · milosz · Debian · Lua · MariaDB · nginx · OpenResty · ProxySQL · Redis · Debian Stretch

How to alter configuration for specific yum repository

March 6, 2020 · milosz · CentOS · Package management

How to list packages in specific yum repository

March 4, 2020 · milosz · CentOS · Package management

How to start service after the system time has been synchronized

March 2, 2020 · milosz · Debian Buster · Debian · systemd

February  12

How to prevent systemd service start operation from timing out

February 29, 2020 · milosz · Debian · Debian Buster · Elasticsearch · systemd

How to generate password digest for basic authentication of HTTP users

February 26, 2020 · milosz · Apache · Debian · Enhanced security · nginx

How to modify systemd service configuration

February 24, 2020 · milosz · Debian Buster · Debian · systemd

How to perform basic Elasticsearch operations

February 21, 2020 · milosz · Debian Buster · Debian · Elasticsearch

How to install Elasticsearch

February 19, 2020 · milosz · Debian Buster · Debian · Elasticsearch

How to revoke specific key used to login with OpenSSH

February 17, 2020 · milosz · Command-line · Enhanced security · OpenSSH · System management

How to protect Netdata instance using basic access authentication

February 14, 2020 · milosz · Enhanced security · Netdata · Software recommendation · System monitoring

How to disable yum repository

February 12, 2020 · milosz · CentOS · Package management

How to determine which key was used to login with OpenSSH

February 10, 2020 · milosz · Command-line · Enhanced security · OpenSSH · System management

How to instruct Ansible to use specific version of Python

February 7, 2020 · milosz · Ansible · Debian · Debian Buster · System management

How to keep RabbitMQ data regardless of the node name

February 5, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to specify RabbitMQ node name

February 3, 2020 · milosz · AMQP · Debian Buster · Debian · RabbitMQ

January  13

How to install Netdata on Debian Buster

January 31, 2020 · milosz · Netdata · Software recommendation · System monitoring

How to use HAProxy stats socket

January 29, 2020 · milosz · Debian Buster · Debian · HAProxy

How to access OneDrive on Debian

January 27, 2020 · milosz · Debian Buster · Debian · FUSE · rclone

How to suppress the message of the day

January 24, 2020 · milosz · Debian Buster · Debian · System management

How to mark which backend server is used

January 22, 2020 · milosz · Debian Buster · Debian · HAProxy

How to manage and display system news

January 20, 2020 · milosz · Debian Buster · Debian · System management

How to serve single file using nginx

January 17, 2020 · milosz · nginx

How to use yum without downloading or updating metadata

January 15, 2020 · milosz · CentOS · Package management

How to stop requests with empty or incorrect host header

January 13, 2020 · milosz · Debian Buster · Debian · Enhanced security · HAProxy

How to visualize blog schedule using terminal

January 10, 2020 · milosz · Debian · Jekyll

How to display LWN news using message of the day framework

January 8, 2020 · milosz · Debian Buster · Debian · System management

How to install Restyaboard on Debian Buster

January 6, 2020 · milosz · Debian Buster · Debian · Restyaboard · Software recommendation

How to protect system against accidental shutdown

January 1, 2020 · milosz · Debian Buster · Debian · Software recommendation · System management

2019  102

December  10

How to display message after successful login

December 30, 2019 · milosz · Debian Buster · Debian · System management

How to downgrade package using yum

December 25, 2019 · milosz · CentOS · Package management

How to display message before OpenSSH authentication

December 23, 2019 · milosz · Command-line · OpenSSH

How to create VLAN interface using the ip utility

December 20, 2019 · milosz · Debian Buster · Debian · Enhanced security · Networking · System management

How to update outdated system activity information binary datafile

December 18, 2019 · milosz · sysstat · System monitoring

How to get RabbitMQ uptime

December 16, 2019 · milosz · AMQP · Debian Buster · Debian · RabbitMQ · JSON

How to reset admin password in Grafana container

December 11, 2019 · milosz · Docker · Grafana

How to install RabbitMQ message broker

December 9, 2019 · milosz · AMQP · Debian Buster · Debian · RabbitMQ

How to convert units using command-line

December 4, 2019 · milosz · Debian Buster · Command-line · Debian

How to parse Debian package information

December 2, 2019 · milosz · Debian Buster · Debian · System management

November  9

How to display count and rate statistics for data read on standard input

November 27, 2019 · milosz · Command-line · Debian · Software recommendation

How to automatically add Jira issue ID to the commit message

November 25, 2019 · milosz · Git

How to use regex to dynamically define server name

November 20, 2019 · milosz · nginx

How to increase the default number of maximum server names and their length when using nginx

November 18, 2019 · milosz · nginx

How to deal with “repository is not valid yet” error

November 15, 2019 · milosz · Debian Buster · Debian · System management

How to manage remotely forwarded SSH authentication agent

November 13, 2019 · milosz · Bash · Command-line · OpenSSH · Shell script

How to parse INI configuration file using Bash

November 11, 2019 · milosz · Bash · Command-line · Shell script

How to attach to tmux session over SSH

November 6, 2019 · milosz · Command-line · OpenSSH · Tmux

How to store configuration within shell script

November 4, 2019 · milosz · Bash · Command-line · Shell script

October  9

How to store the contents of every tmux pane

October 30, 2019 · milosz · Command-line · Shell script · Tmux

How to store the contents of tmux pane

October 28, 2019 · milosz · Command-line · Tmux

How to solve pipeline mysteries

October 25, 2019 · milosz · Bash · Command-line · Shell script

How to inspect a pipeline

October 23, 2019 · milosz · Bash · Command-line · Shell script

How to distinguish standard error from regular output

October 21, 2019 · milosz · Bash · Command-line · Shell script

How to strace PHP-FPM processes

October 14, 2019 · milosz · Command-line · Debian · PHP

How to define default Firefox settings

October 9, 2019 · milosz · Debian · Firefox

How to stop search engines from crawling website using nginx

October 7, 2019 · milosz · nginx

How to download RPM packages

October 2, 2019 · milosz · CentOS · Package management

September  10

How to create persistent sysctl configuration

September 30, 2019 · milosz · Debian Buster · Debian · sysctl · System management

How to fix fusermount – executable file not found

September 25, 2019 · milosz · Debian Buster · Debian · FUSE · rclone

How to mount NFS share using systemd

September 23, 2019 · milosz · Debian Buster · Debian · Networking · NFS · systemd

How to use official RabbitMQ repository on Debian Buster

September 20, 2019 · milosz · Debian Buster · Debian · RabbitMQ · Debian Stretch

How to modify system identification message

September 18, 2019 · milosz · Debian Buster · Debian · System management

How to update system time using systemd

September 16, 2019 · milosz · Debian Buster · Debian · Network Time Protocol · Networking · systemd

Which Gitea ARM build install on Raspberry Pi

September 11, 2019 · milosz · RaspberryPi

How to match certificate and its intermediate counterpart

September 9, 2019 · milosz · Command-line · OpenSSL · SSL Certificates

How to install JetBrains using snap packages

September 4, 2019 · milosz · snap · Ubuntu

How to display and verify certificate chain for specific domain

September 2, 2019 · milosz · Command-line · Enhanced security · OpenSSL · SSL Certificates

August  8

How to generate RabbitMQ password hash

August 28, 2019 · milosz · AMQP · Golang · RabbitMQ

How to send output to multiple commands

August 26, 2019 · milosz · Bash · Command-line · Shell script

How to create Argo Tunnel

August 21, 2019 · milosz · Debian Buster · Cloudflare · Debian

How to specify the same option multiple times using Bash

August 19, 2019 · milosz · Bash · Command-line · Shell script

How to export system activity information

August 14, 2019 · milosz · Debian Buster · Debian · sysstat · System monitoring

How to perform suite change

August 12, 2019 · milosz · Debian Buster · Debian · System management

How to count TCP connections

August 7, 2019 · milosz · Debian Buster · Command-line · Debian · System monitoring

How to generate sequence of numbers

August 5, 2019 · milosz · Command-line · Debian · Debian Stretch · System management

July  10

How to determine how long specified remote server or device was offline

July 29, 2019 · milosz · Command-line · Debian · Shell script · Debian Stretch · System management

How to query robots.txt

July 25, 2019 · milosz · Command-line · Golang

How to configure sysfs during system boot

July 22, 2019 · milosz · Command-line · Debian · Hardware · System management

How to increase Google Cloud virtual machine disk size

July 17, 2019 · milosz · CentOS · Debian · Google Cloud

How to disable Intel Turbo Boost

July 15, 2019 · milosz · Command-line · Debian · Hardware

How to use CutyCapt inside ArchiveBox

July 10, 2019 · milosz · ArchiveBox · Software recommendation

How to capture column from command output and convert it to a row

July 8, 2019 · milosz · Command-line

How to disable Google Accounts daemon

July 5, 2019 · milosz · CentOS · Debian · Google Cloud

How to collect system activity information

July 3, 2019 · milosz · Debian Buster · Debian · sysstat · System monitoring

How to check website for broken links

July 1, 2019 · milosz · Command-line · Debian · HTTrack · Debian Stretch

June  8

How to remotely archive websites using ArchiveBox

June 26, 2019 · milosz · ArchiveBox · Software recommendation

How to copy website using HTTrack

June 24, 2019 · milosz · Command-line · Debian · HTTrack

How to install ArchiveBox to preserve websites you care about

June 19, 2019 · milosz · ArchiveBox · Software recommendation

How to pretty print size in bytes using AWK

June 17, 2019 · milosz · AWK · Command-line · Debian · Debian Stretch

How to download OpenVPN configuration using NordVPN API

June 12, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management

How to display memory used by processes in human readable form using Python script

June 10, 2019 · milosz · Debian · Python · Debian Stretch

How to avoid the two most common caveats when using read command

June 5, 2019 · milosz · Command-line · Debian · Shell script · Debian Stretch

How to display memory used by processes in human readable form

June 3, 2019 · milosz · Command-line · Debian · Debian Stretch

May  8

How to manipulate X clipboard from terminal

May 27, 2019 · milosz · Command-line · Debian · X Window System

How to display your external IP address using NordVPN API

May 22, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management

How to drop kernel caches

May 20, 2019 · milosz · Command-line · Debian · System management · sysctl

How to display user details using NordVPN API

May 15, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management · JSON

How to remotely execute shell function

May 13, 2019 · milosz · Bash · Command-line · Debian · Networking · OpenSSH

How to perform dictionary attack on LUKS passphrase

May 8, 2019 · milosz · Debian Buster · Debian · Enhanced security · LUKS

How to compare two files byte by byte

May 6, 2019 · milosz · Command-line · Debian

How to inspect Redis internals using UNIX socket and Python script

May 1, 2019 · milosz · Command-line · Debian · Python · Redis

April  7

How to instantly add known_hosts entries for host and its IP address

April 29, 2019 · milosz · AWK · Command-line · Debian · Networking · OpenSSH

How to merge multiple known_hosts entries into single row

April 22, 2019 · milosz · AWK · Command-line · Debian · Networking · OpenSSH

How to disconnect idle SSH clients

April 15, 2019 · milosz · Command-line · Debian · Networking · OpenSSH

How to erase LUKS header

April 10, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to monitor PHP-FPM pool

April 8, 2019 · milosz · Command-line · Debian · PHP · Python

How to locate LUKS devices

April 3, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to display PHP-FPM pool information using UNIX socket and Python script

April 1, 2019 · milosz · Command-line · Debian · PHP · Python

March  8

How to test LUKS passphrase

March 27, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to display PHP-FPM pool information using command-line utilities

March 25, 2019 · milosz · Command-line · Debian · PHP

How to match certificate and its private key

March 21, 2019 · milosz · Command-line · OpenSSL · SSL Certificates

How to check external IP address using DNS service

March 18, 2019 · milosz · Command-line · Debian · Enhanced security

How to determine maximum LUKS passphrase length

March 13, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to move files based on specific time criteria

March 11, 2019 · milosz · Command-line · Debian · Debian Stretch

How to assign binary key to LUKS key-slot

March 6, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to display TLS server extensions

March 4, 2019 · milosz · Enhanced security · OpenSSL · Shell script · SSL Certificates

February  7

How to mount exFAT filesystem

February 25, 2019 · milosz · Command-line · Debian · FUSE · Debian Stretch · System management

How to non-interactively manage LUKS passphrases

February 20, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to use public NordVPN API

February 18, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management · JSON

How to determine what is mounted and where

February 11, 2019 · milosz · Command-line · Debian · Debian Stretch · System management

Linux Foundation Training

February 8, 2019 · milosz · Opinion

How to interactively manage LUKS passphrases

February 6, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to use NordVPN command-line utility

February 4, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management

January  8

How to build package using directory structure and custom metadata

January 28, 2019 · milosz · Command-line · Debian · Debian Stretch · System management

How to control status output of the dd utility

January 23, 2019 · milosz · Command-line · Debian

How to verify fstab file

January 21, 2019 · milosz · Command-line · Debian · Debian Stretch · System management

How to erase all LUKS key slots

January 16, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to use terminal to display servers recommended by NordVPN

January 14, 2019 · milosz · Debian Buster · Command-line · Debian · NordVPN · System management · JSON

How to backup or restore LUKS header

January 9, 2019 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to convert seconds to human readable time

January 7, 2019 · milosz · Command-line · Debian · Shell script · Debian Stretch · System management

How to display calendar in terminal with Monday as the start of the week

January 2, 2019 · milosz · Command-line · Debian · Debian Stretch · System management

2018  96

December  7

How to disable onboard WiFi and Bluetooth on Raspberry Pi 3

December 31, 2018 · milosz · Command-line · Linux · RaspberryPi

How to free disk space from deleted but still referenced file

December 24, 2018 · milosz · Command-line · Debian · Debian Squeeze · System management

How to install Prosody an Open source and modern XMPP communication server

December 19, 2018 · milosz · Debian · Software recommendation · Debian Stretch

How to detect chroot environment

December 17, 2018 · milosz · Command-line · Debian · Debian Stretch

How to define backup backend in HAProxy configuration

December 12, 2018 · milosz · Command-line · Debian · HAProxy · Debian Stretch

How to download Raspbian image and write it to SD card

December 10, 2018 · milosz · Command-line · Linux · RaspberryPi

How to schedule one-time task

December 3, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

November  6

How to force user to change password

November 26, 2018 · milosz · Command-line · Debian · Managing users and groups · Debian Stretch · System management

How to display output of multiple commands using columns

November 19, 2018 · milosz · Command-line · Debian · Debian Stretch

How to extract rpm package on macOS

November 14, 2018 · milosz · Command-line · macOS

How to display processes using the most CPU or memory

November 12, 2018 · milosz · Command-line · Debian · Debian Stretch

How to encrypt portable external hard drive

November 7, 2018 · milosz · Debian · Enhanced security · LUKS · Debian Stretch

How to create artificial package to circumvent dependency checking

November 5, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

October  7

How to resolve hostname to IP address within a shell script

October 29, 2018 · milosz · Command-line · Debian · Shell script · Debian Stretch

How to count separate line entries inside a pipe

October 22, 2018 · milosz · Command-line · Debian · Shell script · Debian Stretch

How to verify deb package contents

October 15, 2018 · milosz · Debian · Debian Stretch · System management

How to aggregate weekly data to create custom statistics

October 10, 2018 · milosz · Command-line · Debian · HAProxy · Debian Stretch

How to display deb package contents

October 8, 2018 · milosz · Debian · Debian Stretch · System management

How to create meta-package

October 3, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

How to make iptables configuration persistent using systemd

October 1, 2018 · milosz · Debian · Enhanced security · iptables · systemd · Debian Wheezy

September  7

How to display reverse package dependencies

September 26, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

How to make iptables configuration persistent using custom service file

September 24, 2018 · milosz · Debian · Enhanced security · iptables · Debian Wheezy

How to read and insert new values into the debconf database

September 17, 2018 · milosz · Debian · Debian Stretch · System management

How to perform incremental backup using rdiff-backup

September 12, 2018 · milosz · Command-line · Debian · rdiff-backup · Debian Stretch · System management

How to make iptables configuration persistent

September 10, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

How to download in advance the public key used to sign repository signatures

September 5, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

How to remove useless localizations

September 3, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

August  9

How to install and configure external dashboard for Icinga2

August 29, 2018 · milosz · Debian · Icinga2 · Debian Stretch · System monitoring

How to configure command-line tab completion for known SSH hosts

August 27, 2018 · milosz · Command-line · Linux · macOS · System management

How to use content-disposition header to determine filename

August 22, 2018 · milosz · Command-line · Debian · Debian Stretch

How to delete Nextcloud bookmarks using API

August 20, 2018 · milosz · Debian · Nextcloud · Software recommendation · Debian Stretch · JSON

How to reset admin password on UniFi controller

August 15, 2018 · milosz · Debian · Issue · Debian Stretch · Ubiquiti

How to perform different operations depending on the shell script name

August 13, 2018 · milosz · Debian · Shell script · Debian Stretch · System management

How to download public key used to verify GnuPG signature for the repository

August 8, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

How to find a symbolic link by the target name

August 6, 2018 · milosz · Command-line · Debian · Debian Stretch

How to log dropped connections from iptables firewall using netfilter userspace logging daemon

August 1, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

July  8

How to calculate how fast data is copied to the specified directory

July 30, 2018 · milosz · Command-line · Debian · Shell script · Debian Stretch · System management

How to verify file integrity using GnuPG signature

July 25, 2018 · milosz · Command-line · Debian · Enhanced security · Debian Stretch

How to compute and verify file checksum

July 23, 2018 · milosz · Command-line · Debian · Enhanced security · Debian Stretch

How to create shell script for a cron job with hidden debug information

July 16, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

How to execute logrotate every hour

July 11, 2018 · milosz · Command-line · System management

How to locate directories that contain one or multiple files with particular content

July 9, 2018 · milosz · Command-line · Debian · Debian Stretch

How to log dropped connections from iptables firewall using rsyslog

July 6, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

How to display package dependencies

July 2, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

June  8

How to enable HTTPS protocol for package managers using libapt-pkg library

June 28, 2018 · milosz · Command-line · Debian · Package management · Debian Stretch

How to disable USB device

June 25, 2018 · milosz · Debian · Enhanced security · Debian Stretch · System management

How to create iptables firewall using custom chains

June 21, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

How to display upcoming events in Nextcloud calendar using shell script

June 18, 2018 · milosz · CalDav · Command-line · Debian · Nextcloud · Debian Stretch

How to create iptables firewall

June 13, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

How to display upcoming events in Nextcloud calendar using text-based terminal emulator

June 11, 2018 · milosz · CalDav · Command-line · Debian · Nextcloud · Debian Stretch

How to use HTTP host header to choose HAProxy backend

June 6, 2018 · milosz · Command-line · Debian · Enhanced security · HAProxy · Debian Stretch

How to detect and log changes in the list of mounted filesystems

June 4, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

May  9

How to determine process execution time

May 30, 2018 · milosz · Command-line · Debian · Debian Stretch

How to execute additional commands during system startup using cron

May 28, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

How to redirect every request to defined domain to particular location

May 24, 2018 · milosz · Command-line · Debian · HAProxy · Debian Stretch

How to integrate lightline status line plugin for Vim with Solarized theme

May 21, 2018 · milosz · Debian · Debian Stretch · Vim

How to store LeaseWeb data traffic in OpenTSDB time series database

May 17, 2018 · milosz · Command-line · Debian · LeaseWeb · Python · Debian Stretch

How to serve files from memory with a fallback using nginx

May 14, 2018 · milosz · Debian · nginx · Debian Stretch

How to create simplest possible iptables firewall

May 9, 2018 · milosz · Debian · Enhanced security · iptables · Debian Stretch

How to import Firefox bookmarks to Nextcloud application

May 7, 2018 · milosz · Debian · Nextcloud · Software recommendation · Debian Stretch · JSON

How to use variable to choose HAProxy backend

May 2, 2018 · milosz · Command-line · Debian · Enhanced security · HAProxy · Debian Stretch

April  10

How to display LeaseWeb data traffic using API v2

April 30, 2018 · milosz · Command-line · Debian · LeaseWeb · Python · Debian Stretch

How to automatically mount directory shared over local network using NFS

April 26, 2018 · milosz · Debian · NFS · Debian Stretch · System management

How to add Unsplash background to DokuWiki instance

April 25, 2018 · milosz · Debian · DokuWiki · Debian Stretch

How to share directory over local network using NFS

April 23, 2018 · milosz · NFS · Ubuntu · Ubuntu Jammy · System management

How to backup and restore Nextcloud bookmarks

April 18, 2018 · milosz · Debian · Nextcloud · Software recommendation · Debian Stretch · JSON

How to setup private Docker registry

April 16, 2018 · milosz · Debian · Docker · Debian Stretch

How to create base Docker image

April 11, 2018 · milosz · Debian · Docker · Debian Stretch

How to securely change user password using shell script

April 9, 2018 · milosz · Command-line · Debian · Managing users and groups · Debian Stretch · System management

How to execute older version of free utility

April 4, 2018 · milosz · Command-line · Debian · Debian Stretch

How to backup and restore Restyaboard boards

April 2, 2018 · milosz · Debian · Restyaboard · Software recommendation · Debian Stretch · JSON

March  10

How to install Docker on Debian Stretch

March 30, 2018 · milosz · Debian · Docker · Debian Stretch

How to add small calendar to DokuWiki page

March 28, 2018 · milosz · Debian · DokuWiki · Debian Stretch

How to block particular IP addresses on HAProxy

March 26, 2018 · milosz · Command-line · Debian · Enhanced security · HAProxy · Debian Stretch

How to upgrade icinga2 and its web-interface

March 21, 2018 · milosz · Debian · Icinga2 · Debian Stretch · System monitoring

How to fix undefined function utf8_decode error in PHP application

March 19, 2018 · milosz · Debian · Issue · PHP · Debian Stretch

How to install Restyaboard on Debian Stretch

March 14, 2018 · milosz · Debian · Restyaboard · Software recommendation · Debian Stretch

How to determine if web-server still supports deprecated TLS 1.0 protocol

March 12, 2018 · milosz · Command-line · Debian · Enhanced security · OpenSSL · SSL Certificates · Debian Stretch

How to define basic authentication on HAProxy

March 8, 2018 · milosz · Command-line · Debian · Enhanced security · HAProxy · Debian Stretch

How to display dependencies for deb package

March 5, 2018 · milosz · Command-line · Debian · Debian Stretch · System management

How to define allowed HTTP methods on HAProxy

March 1, 2018 · milosz · Command-line · Debian · Enhanced security · HAProxy · Debian Stretch

February  7

How to encrypt user password

February 26, 2018 · milosz · Command-line · Debian · Managing users and groups · Debian Stretch · System management

How to monitor SSL certificates using icinga2

February 22, 2018 · milosz · Debian · Icinga2 · SSL Certificates · Debian Stretch · System monitoring

How to locally check SSL certificate

February 19, 2018 · milosz · Command-line · Enhanced security · OpenSSL · SSL Certificates

How to upgrade pip on Debian Wheezy

February 14, 2018 · milosz · Command-line · Debian · Python · System management · Debian Wheezy

How to generate and decode CSR

February 12, 2018 · milosz · Command-line · Enhanced security · OpenSSL · SSL Certificates

How to install UniFi controller

February 8, 2018 · milosz · Debian · Software recommendation · Debian Stretch · Ubiquiti

How to setup icinga2 master-satellite-client using director module

February 5, 2018 · milosz · Debian · Enhanced security · Icinga2 · Debian Stretch · System monitoring

January  8

How to parse free output to display available memory

January 31, 2018 · milosz · Command-line · Debian · Debian Stretch · System monitoring

How to regenerate the boot configuration for mdadm

January 29, 2018 · milosz · Debian · System management · Debian Wheezy

How to add your first host using icinga2 director

January 25, 2018 · milosz · Debian · Icinga2 · Debian Stretch · System monitoring

How to install director module for icingaweb2

January 22, 2018 · milosz · Debian · Icinga2 · Debian Stretch · System monitoring

How to install icinga2 and icingaweb2

January 15, 2018 · milosz · Debian · Icinga2 · Debian Stretch · System monitoring

How to install and configure Pi-hole

January 11, 2018 · milosz · Enhanced security · RaspberryPi

How to install and configure MariaDB unixODBC driver

January 8, 2018 · milosz · Debian · MariaDB · ODBC · Debian Stretch

How to configure HTTP/2 in http mode on HAProxy and fix bad request problem

January 1, 2018 · milosz · HAProxy · Issue · Ubuntu · Ubuntu Xenial Xerus

2017  62

December  8

How to install HAProxy 1.8 on Ubuntu 16

December 30, 2017 · milosz · HAProxy · Ubuntu · Ubuntu Xenial Xerus

How to generate private key

December 28, 2017 · milosz · Command-line · Enhanced security · OpenSSL · SSL Certificates

How to access Microsoft SQL Server instance when you are locked out

December 25, 2017 · milosz · System management

How to query APT configuration

December 18, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

How to display fingerprint for public key file

December 14, 2017 · milosz · Command-line · Debian · Debian Stretch

How to verify IPv4 address

December 11, 2017 · milosz · Command-line · Debian · Software recommendation · Debian Stretch

How to determine encryption algorithm used to store password

December 6, 2017 · milosz · Debian · Enhanced security · Debian Stretch

How to display IPv4 network information

December 4, 2017 · milosz · Command-line · Debian · Software recommendation · Debian Stretch

November  6

How to choose IP addresses and domain names for documentation

November 27, 2017 · milosz · Documentation

How to display LeaseWeb data traffic using command-line

November 20, 2017 · milosz · Command-line · Debian · LeaseWeb · Python · Debian Stretch

How to manage known_hosts file using shell script

November 13, 2017 · milosz · Command-line · Debian · Shell script · Debian Stretch

How to fix broken uwsgi package on Ubuntu Xenial

November 10, 2017 · milosz · Command-line · Issue · System management · Ubuntu · Ubuntu Xenial Xerus

How to use backports repository

November 6, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

How to fix missing dirmngr

November 2, 2017 · milosz · Command-line · Debian · Issue · Debian Stretch

October  6

How to remove unused dependency packages

October 30, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

How to install missing init system helpers

October 23, 2017 · milosz · Command-line · Debian · Package management · Debian Wheezy

How to automatically control APT cache

October 16, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

How to reverse text file

October 12, 2017 · milosz · Command-line · Debian · Debian Stretch

How to clear the APT cache

October 9, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

How to disable the APT cache

October 2, 2017 · milosz · Command-line · Debian · Package management · Debian Stretch

September  4

How to mount WebDAV share using systemd

September 25, 2017 · milosz · Debian · Networking · Debian Stretch · systemd

How to execute CGI scripts using fcgiwrap

September 18, 2017 · milosz · Command-line · Debian · Networking · Debian Stretch

How to keep track of network latency

September 11, 2017 · milosz · Debian · Networking · SmokePing · Software recommendation · Debian Stretch

How to mount WebDAV share

September 4, 2017 · milosz · Command-line · Debian · Networking · Debian Stretch

August  4

How to display real destination URL

August 28, 2017 · milosz · Command-line · Networking

How to upgrade lxd guests

August 21, 2017 · milosz · Command-line · System management · Ubuntu

How to install and configure private MoinMoin wiki

August 14, 2017 · milosz · Debian · Software recommendation · Debian Stretch

How to display HTTP response code

August 7, 2017 · milosz · Command-line · Networking

July  5

How to configure unixODBC

July 31, 2017 · milosz · Debian · ODBC · PostgreSQL · SQLite3 · Debian Stretch

How to restart process depending on the log file modification time

July 24, 2017 · milosz · Bash · Shell script

How to install packages using repository snapshot

July 17, 2017 · milosz · Debian · System management

How to check connection to the RabbitMQ message broker

July 10, 2017 · milosz · AMQP · Debian · Python3 · RabbitMQ

How to use loop devices

July 3, 2017 · milosz · Debian

June  4

How to fix the missing HPE’s public keys

June 26, 2017 · milosz · Debian · Issue · Package management

How to assign an IPv6 address to an interface

June 19, 2017 · milosz · Command-line · Debian

How to post message from command-line into Slack

June 12, 2017 · milosz · Command-line

How to display message provided from standard input or as a parameter

June 5, 2017 · milosz · Command-line

May  6

How to display network connections using lsof and GNU awk

May 29, 2017 · milosz · Command-line · Debian · Enhanced security · Networking

How to test whether a number is prime

May 22, 2017 · milosz · Command-line

How to setup operating-system-level virtualization solution

May 15, 2017 · milosz · Debian · Virtualization · Debian Wheezy

How to use old network device naming convention

May 8, 2017 · milosz · Debian · Debian Stretch · System management · systemd

How to fix mdadm segfault inside lxc container

May 4, 2017 · milosz · System management · Ubuntu · Ubuntu Xenial Xerus

How to copy standard output and catch error code in the meantime

May 1, 2017 · milosz · Command-line

April  6

How to install missing ifconfig utility

April 27, 2017 · milosz · Debian · Debian Stretch · System management

How to summarize file space usage on Amazon S3 using command line client

April 24, 2017 · milosz · Debian · Debian Jessie · System management

How to use a parameter or standard input inside the shell script

April 20, 2017 · milosz · Command-line

How to install missing firmware for tg3 module

April 17, 2017 · milosz · Debian · Debian Jessie · System management

How to stop referral spam using Nginx

April 10, 2017 · milosz · nginx · Enhanced security

How to display days till certificate expiration

April 3, 2017 · milosz · Enhanced security · OpenSSL · Shell script · SSL Certificates

March  4

How to list configured APT repositories

March 27, 2017 · milosz · Debian · System management

How to display certificate issuer and dates

March 20, 2017 · milosz · Enhanced security · OpenSSL · Shell script · SSL Certificates

How to overcome MS-DOS partition size limit

March 13, 2017 · milosz · Hardware · Software recommendation

How to use HP Command Line Array Configuration Utility

March 6, 2017 · milosz · Hardware · Software recommendation

February  4

How to display scheduled Jekyll blog posts on DokuWiki page

February 27, 2017 · milosz · DokuWiki

How to use HP Management Command Line Interface

February 20, 2017 · milosz · Hardware · Software recommendation

How to display git commits on DokuWiki page

February 13, 2017 · milosz · DokuWiki

How to download files recursively

February 6, 2017 · milosz · Command-line · Software recommendation

January  5

How to check Debian CVE status using python script

January 30, 2017 · milosz · Command-line · Enhanced security

How to print IP address assigned to an interface

January 23, 2017 · milosz · Command-line · Linux

How to display process environment

January 16, 2017 · milosz · Command-line

How to remove invalid entries from known hosts file

January 9, 2017 · milosz · Command-line · Debian · Enhanced security · Debian Jessie · OpenSSH

How to get the number of connections broken down by a host

January 2, 2017 · milosz · Command-line · Linux

2016  64

December  4

How to display processes using swap space

December 26, 2016 · milosz · Command-line · Linux

How to disable password prompt in Firefox

December 19, 2016 · milosz · Software recommendation

How to publish Markdown files effortlessly

December 12, 2016 · milosz · Software recommendation

How to sync passwords between different devices

December 5, 2016 · milosz · Software recommendation

November  5

How to import self-signed certificate to macOS system keychain

November 28, 2016 · milosz · Command-line · macOS · SSL Certificates

How to perform real-time performance monitoring

November 21, 2016 · milosz · Netdata · Software recommendation · System monitoring

How to generate self-signed SSL certificate

November 14, 2016 · milosz · Command-line · Enhanced security · SSL Certificates

How to verify package version in shell script

November 7, 2016 · milosz · Command-line · Debian · System management

How to rebuild DokuWiki index

November 1, 2016 · milosz · DokuWiki · Software recommendation

October  5

How to determine when process was started

October 31, 2016 · milosz · Command-line · Debian · System management

How to get name of the source package

October 24, 2016 · milosz · Command-line · Debian · Package management · System management

How to determine when the last time package index files were updated

October 17, 2016 · milosz · Command-line · Debian · Package management · System management

How to upgrade selected packages

October 10, 2016 · milosz · Command-line · Debian · Package management · System management

How to list available updates using apt

October 3, 2016 · milosz · Command-line · Debian · Debian Jessie · Package management · System management

September  4

How to build Vagrant Debian base box using VirtualBox

September 26, 2016 · milosz · Debian · Vagrant · VirtualBox

How to build Vagrant Debian base box

September 19, 2016 · milosz · Debian · Vagrant

How to create basic Newsbeuter theme

September 12, 2016 · milosz · Software recommendation

How to jump between defined set of locations

September 5, 2016 · milosz · Debian · Debian Jessie · Vagrant

August  5

How to prevent non existent domain redirect

August 29, 2016 · milosz · Enhanced security

How to create basic tmux setup

August 22, 2016 · milosz · Software recommendation · Tmux

How to setup apt-cacher-ng Vagrant box

August 15, 2016 · milosz · Debian · Debian Jessie · Vagrant

How to setup DokuWiki Vagrant box

August 8, 2016 · milosz · Debian · DokuWiki · Debian Jessie · Vagrant

How to get started with Vagrant

August 1, 2016 · milosz · Debian · Debian Jessie · Vagrant

July  5

How to automatically login user at the console

July 25, 2016 · milosz · Command-line · Debian · Debian Jessie · System management

How to use Let’s Encrypt certificate with Nginx

July 18, 2016 · milosz · Enhanced security · Let’s Encrypt · nginx · SSL Certificates

How to disable touchpad using shortcut

July 11, 2016 · milosz · Shell script · Ubuntu · X Window System

How to install and configure DokuWiki instance

July 7, 2016 · milosz · Debian · DokuWiki · Debian Jessie · Software recommendation

How to add menu to AWStats web-interface

July 4, 2016 · milosz · AWStats · Debian · Debian Jessie · System monitoring

June  8

How to edit Icewind Dale EE savegame

June 27, 2016 · milosz · C · Linux · Programming

How to check for command inside shell script

June 23, 2016 · milosz · Command-line · Debian · Shell script

How to check for package inside shell script

June 20, 2016 · milosz · Command-line · Debian · Shell script

How to update Intel graphics drivers

June 16, 2016 · milosz · Ubuntu · X Window System · Ubuntu Xenial Xerus

How to explain umask

June 13, 2016 · milosz · C · Linux · Programming

How to reload wifi module on resume

June 10, 2016 · milosz · System management · Ubuntu · Ubuntu Xenial Xerus

How to search through manual pages

June 6, 2016 · milosz · Command-line · Linux · Shell script

How to configure AWStats web-interface

June 2, 2016 · milosz · AWStats · Debian · Debian Jessie · nginx · System monitoring

May  7

How to display future posts using Jekyll

May 30, 2016 · milosz · Jekyll

How to tweak FastMail web-interface

May 23, 2016 · milosz · FastMail · Software recommendation

How to configure Gandi web accelerator

May 19, 2016 · milosz · Gandi

How to configure custom domain with FastMail

May 16, 2016 · milosz · FastMail

How to fix Bluetooth sound synchronization

May 9, 2016 · milosz · Linux · Shell script

How to automatically import NordVPN servers

May 5, 2016 · milosz · Enhanced security · NordVPN · Shell script · Ubuntu · Ubuntu Wily Werewolf · Ubuntu Xenial Xerus

How to inspect command before execution

May 2, 2016 · milosz · Bash · Command-line · Linux

April  7

How to connect to NordVPN server using Network Manager

April 28, 2016 · milosz · Enhanced security · NordVPN · Ubuntu · Ubuntu Wily Werewolf · Ubuntu Xenial Xerus

How to get names of distinct Debian releases

April 25, 2016 · milosz · Command-line · Debian · Linux

How to use org-capture from system tray

April 22, 2016 · milosz · Emacs · org-mode · Ubuntu

How to find which package includes specific file

April 18, 2016 · milosz · Debian · Debian Jessie · Linux · System management

How to manage startup applications

April 14, 2016 · milosz · Ubuntu · Ubuntu Wily Werewolf

How to generate random password using command-line

April 11, 2016 · milosz · Command-line · Debian · Debian Jessie · Enhanced security

How to change SSH private key passphrase

April 4, 2016 · milosz · Command-line · Enhanced security · OpenSSH · System management

March  4

Hand-picked Linux related magazines

March 28, 2016 · milosz · Linux · Magazines · Opinion

How to use recent version of Firefox in Debian Jessie

March 21, 2016 · milosz · Debian · Debian Jessie · Software recommendation

How to reload PostgreSQL configuration

March 14, 2016 · milosz · Command-line · Debian · Debian Jessie · PostgreSQL

How to install and configure private Seafile cloud storage server

March 7, 2016 · milosz · Debian · Debian Jessie · Software recommendation

February  6

How to perform PostgreSQL point-in-time recovery

February 29, 2016 · milosz · Debian · Debian Jessie · PostgreSQL

How to use The GNU Privacy Guard

February 22, 2016 · milosz · Command-line · Software recommendation · Enhanced security

How to perform base PostgreSQL backup using pg_basebackup utility

February 15, 2016 · milosz · Debian · Debian Jessie · PostgreSQL

“I love Free Software” – Day

February 14, 2016 · milosz · Opinion

How to use classic Gnome shell instead of Unity desktop

February 8, 2016 · milosz · Ubuntu · Ubuntu Wily Werewolf

How to parse and process Linux Software RAID events

February 1, 2016 · milosz · Debian · Debian Jessie · Software RAID · System management · System monitoring

January  4

How to perform base PostgreSQL backup using standard file system utilities

January 25, 2016 · milosz · Debian · Debian Jessie · PostgreSQL

How to set NOOP scheduler at system boot

January 18, 2016 · milosz · Debian · Debian Jessie · System management · systemd

How to determine file system type

January 11, 2016 · milosz · Command-line · Software recommendation · Ubuntu

How to temporarily disable user logins

January 4, 2016 · milosz · Command-line · Debian · Debian Jessie · Managing users and groups · System management

2015  66

December  4

How to perform action after SQL statement

December 28, 2015 · milosz · C · PostgreSQL · Programming

How to read Tiny Tiny RSS news using terminal

December 21, 2015 · milosz · Software recommendation

How to boot Debian ISO from USB flash drive

December 14, 2015 · milosz · Command-line · Debian · Debian Jessie

How to create bootable USB flash drive

December 7, 2015 · milosz · Command-line · Debian · Debian Jessie

November  6

How to disable touchpad when external mouse is connected

November 30, 2015 · milosz · Command-line · Shell script · Ubuntu · X Window System

How to schedule system reboot

November 26, 2015 · milosz · Command-line · Debian · Debian Jessie · System management · Ubuntu · Ubuntu Wily Werewolf

How to access USB devices from within VirtualBox virtual machines

November 23, 2015 · milosz · Command-line · Ubuntu · VirtualBox · Virtualization

How to mount encrypted LVM logical volume

November 16, 2015 · milosz · Command-line · Linux · LUKS · Software recommendation

How to set CPU governor at system boot

November 9, 2015 · milosz · Command-line · System management · Ubuntu · Ubuntu Wily Werewolf

How to crack password using Nvidia GPU

November 2, 2015 · milosz · Command-line · John the Ripper · Software recommendation · Ubuntu

October  5

How to use recent version of Iceweasel in Debian Jessie

October 31, 2015 · milosz · Debian · Debian Jessie · Software recommendation

How to add new device to hddtemp database

October 26, 2015 · milosz · Command-line · Debian · Software recommendation · System monitoring

How to monitor hard drive temperature

October 19, 2015 · milosz · Command-line · Debian · Software recommendation · System monitoring

How to install Debian remotely

October 12, 2015 · milosz · Debian · System installation

How to create shadow directory of symbolic links

October 5, 2015 · milosz · Debian

September  4

How to programmatically create system user with defined password

September 28, 2015 · milosz · Debian · Shell script · System management

How to download YouTube videos

September 21, 2015 · milosz · Software recommendation · Ubuntu

How to add Sublime Text to Unity launcher

September 14, 2015 · milosz · Software recommendation · Ubuntu

How to enable virtual desktops in Ubuntu

September 7, 2015 · milosz · Ubuntu

August  7

How to add SSH menu to Unity launcher

August 31, 2015 · milosz · Ubuntu

How to graph Ubiquiti CCQ using Cacti

August 28, 2015 · milosz · Linux · Python · System monitoring · Ubiquiti

How to open Firefox bookmark backup files

August 24, 2015 · milosz · Recovery · Software recommendation

How to play games using Adventure Game Studio engine

August 17, 2015 · milosz · Game · Ubuntu

How to set PowerTOP options at boot time

August 10, 2015 · milosz · System management · systemd · Ubuntu

How to disable Unity HUD shortcut

August 8, 2015 · milosz · Ubuntu

How to determine whether the operating system is 32-bit or 64-bit

August 3, 2015 · milosz · Debian · System management

July  4

How to edit files using Notepad++ over SSH File Transfer Protocol

July 27, 2015 · milosz · Software recommendation · Microsoft

Essential Dokuwiki plugins

July 20, 2015 · milosz · DokuWiki · Software recommendation

How to use virtual desktops on Windows

July 13, 2015 · milosz · Software recommendation · Microsoft

How to access Linux Extended File System using Windows

July 6, 2015 · milosz · Software recommendation · Microsoft

June  5

How to extract the cover image from an e-book

June 29, 2015 · milosz · Command-line · Debian · DokuWiki · Shell script · System management

How to use nearest Debian mirror

June 22, 2015 · milosz · Command-line · Debian · Debian Jessie · Package management · System management

How to replace failed software RAID device

June 15, 2015 · milosz · Command-line · Debian · Recovery · Software RAID · System management

How to record terminal session

June 8, 2015 · milosz · Command-line · Debian · System management

How to lock Linux console session

June 1, 2015 · milosz · Command-line · Debian · Enhanced security · Software recommendation

May  4

How to crack archive password faster

May 25, 2015 · milosz · Command-line · Debian · Debian Jessie · John the Ripper · Software recommendation

How to crack archive password

May 18, 2015 · milosz · Command-line · Debian · Debian Jessie · John the Ripper · Software recommendation

How to enforce read-only mode on every connected USB storage device

May 11, 2015 · milosz · Debian · Enhanced security · System management

How to copy answers to the configuration questions for Debian packages

May 4, 2015 · milosz · Debian · System management

April  4

How to manage system services on Debian Jessie

April 27, 2015 · milosz · Debian · Debian Jessie · System management

How to use chkconfig on Debian Wheezy

April 20, 2015 · milosz · Debian · System management · Debian Wheezy

How to convert manual pages to DokuWiki

April 13, 2015 · milosz · Command-line · DokuWiki · Linux · Shell script

How to kill every eligible process

April 6, 2015 · milosz · Command-line · Linux

March  6

How to pretty-print disk space used by PostgreSQL databases

March 30, 2015 · milosz · Linux · PostgreSQL · Shell script

How to clear up pending resync on RAID array

March 23, 2015 · milosz · Debian · Software RAID · System installation · System management

How to exclude data from certain tables during PostgreSQL backup

March 16, 2015 · milosz · Debian · PostgreSQL · Shell script · Debian Wheezy

How to terminate active ssh sessions

March 9, 2015 · milosz · Command-line · Debian · Enhanced security · Debian Wheezy

How to pretty-print system uptime

March 6, 2015 · milosz · Command-line · Linux · Shell script

How to verify installed packages

March 2, 2015 · milosz · Command-line · Debian · Enhanced security · Debian Jessie

February  8

How to search for files by date

February 27, 2015 · milosz · Command-line · Debian · Debian Jessie

Simple hotlink protection implemented in nginx

February 23, 2015 · milosz · Enhanced security · nginx

How to automatically logout user from the login shell after period of inactivity

February 20, 2015 · milosz · Bash · Command-line · Debian · Enhanced security

Newsbeuter – ncurses-based RSS reader

February 17, 2015 · milosz · Software recommendation

Tig – text-mode interface for git

February 13, 2015 · milosz · Linux · Software recommendation

The Battle for Wesnoth – An outstanding turn based strategy

February 10, 2015 · milosz · Game

Angband – Getting to know the unique game

February 6, 2015 · milosz · Game

How to sync files with Google Drive

February 3, 2015 · milosz · Linux · Software recommendation

January  9

How to find orphaned files

January 30, 2015 · milosz · Command-line · Debian · Enhanced security · Debian Jessie

How to store last command from history

January 27, 2015 · milosz · Bash · Command-line · Debian · Shell script

How to check the progress of dd using proc filesystem

January 23, 2015 · milosz · Command-line · Debian · Debian Jessie · Shell script

How to quickly and securely search for files

January 20, 2015 · milosz · Command-line · Debian · Debian Jessie · System management

How to inspect PostgreSQL queries

January 16, 2015 · milosz · Debian · PostgreSQL · Debian Wheezy

How to locate scripts in the PATH

January 13, 2015 · milosz · Command-line · Debian · Shell script

How to check external IP address

January 9, 2015 · milosz · Command-line · Debian · Enhanced security · Shell script

How to password protect GRUB entries

January 6, 2015 · milosz · Debian · Enhanced security · Debian Jessie · System management

How to perform unattended upgrades

January 2, 2015 · milosz · Debian · Debian Jessie · System management

2014  67

December  9

How to check file metadata using shell script

December 30, 2014 · milosz · Debian · Shell script

GNOME Terminal, Midnight Commander and function keys

December 26, 2014 · milosz · Debian · Issue · Debian Jessie

How to create persistent reverse SSH tunnel

December 23, 2014 · milosz · Debian · Enhanced security · OpenSSH · System management

How to use recent version of Iceweasel in Debian Wheezy

December 19, 2014 · milosz · Debian · Software recommendation · Debian Wheezy

How to check package version

December 16, 2014 · milosz · Debian · Package management · System management

How to enable VPN connections inside Network Manager

December 12, 2014 · milosz · Debian · Enhanced security · Issue · Debian Wheezy

Atom – A hackable text editor for the 21st Century

December 9, 2014 · milosz · Linux · Software recommendation

How to take control over configuration files

December 5, 2014 · milosz · Debian · System management

How to automatically share X session using VNC

December 2, 2014 · milosz · Debian · System management · Virtual Network Computing · Debian Wheezy

November  9

i915 and “Hangcheck timer elapsed” error

November 30, 2014 · milosz · Debian · Issue · Debian Jessie

Where to get Linux games

November 28, 2014 · milosz · Game · Opinion

How to create simple bar charts in terminal using awk

November 25, 2014 · milosz · Debian · Shell script

How to verify copy process

November 21, 2014 · milosz · Command-line · Debian · Shell script

How to open FreeMind mind map on Android device

November 18, 2014 · milosz · Android · Software recommendation

How to handle Bash history

November 14, 2014 · milosz · Bash · Command-line · Debian

How to monitor TigerVNC service using Monit

November 11, 2014 · milosz · Debian · Monit · System management · System monitoring · Virtual Network Computing

How to handle Bash command-line

November 7, 2014 · milosz · Bash · Command-line · Debian

How to monitor background process using Monit

November 4, 2014 · milosz · Monit · System management · System monitoring

October  9

Looking into the past

October 31, 2014 · milosz · Opinion

How to fix error when moving events between calendars

October 29, 2014 · milosz · Debian · Issue · Kolab · Debian Wheezy

How to check whether the process ID still exists

October 28, 2014 · milosz · Command-line · Debian · Shell script

How to configure TF2234MC multi-touch monitor

October 24, 2014 · milosz · Debian · Hardware

How to get PID of the background process

October 21, 2014 · milosz · Command-line · Debian

Debian Jessie and a little change during installation process

October 17, 2014 · milosz · Debian · Debian Jessie · System installation

Monit – A quick look at the web-interface

October 14, 2014 · milosz · Monit · Software recommendation · System management · System monitoring

How to monitor Kolab processes

October 7, 2014 · milosz · Debian · Kolab · Monit · System management · System monitoring

Remove DRM from Firefox Petition

October 5, 2014 · milosz · Opinion

September  5

How to check upstream distribution-specific information

September 30, 2014 · milosz · Mint · System management

OpenTTD – an enhanced Transport Tycoon game

September 23, 2014 · milosz · Game

How to compare the contents of two directories

September 16, 2014 · milosz · Command-line · Debian · System management

The Hello World Program

September 9, 2014 · milosz · Linux · Opinion

Four live distributions and three different security objectives

September 2, 2014 · milosz · Enhanced security · Linux

August  5

How to extract an ISO image

August 26, 2014 · milosz · Command-line · Debian · Software recommendation

How to add new workspace in Linux Mint 17 Cinnamon

August 19, 2014 · milosz · Mint

21st anniversary of the Debian project

August 16, 2014 · milosz · Debian

Scorched3D – artillery game with sensational effects

August 12, 2014 · milosz · Game

FreeCol – the Colonization of America

August 6, 2014 · milosz · Game

July  3

How to read interface statistics on Cisco Catalyst switch using SNMP protocol

July 30, 2014 · milosz · Linux · Shell script · System monitoring

How to terminate PostgreSQL sessions

July 23, 2014 · milosz · Debian · PostgreSQL · Shell script · System management

Kolab – SSL certificate authentication (web-based interface)

July 8, 2014 · milosz · Debian · Enhanced security · Kolab · Apache · SSL Certificates

June  5

How to forbid script execution from different directory

June 30, 2014 · milosz · Command-line · Debian · Programming · Shell script

Kolab 3.1.5, Debian 7.5 and issue during setup process

June 22, 2014 · milosz · Debian · Kolab · Programming · Python

How to terminate SSH connection

June 14, 2014 · milosz · Command-line · Debian · Networking

How to use Solarized theme in Emacs

June 9, 2014 · milosz · Debian · Emacs

Amazing Emacs org-mode

June 4, 2014 · milosz · Debian · Emacs · org-mode

May  7

Freeciv – an open source version of Civilization

May 29, 2014 · milosz · Game

How to archive every directory in current location

May 24, 2014 · milosz · Backup · Command-line · Debian · Shell script

Unknown Horizons – a real time strategy simulation

May 19, 2014 · milosz · Game

Introduction to Linux

May 13, 2014 · milosz · Linux · Opinion

How to setup Jekyll virtual private server

May 9, 2014 · milosz · Debian · Jekyll · AWStats

Open source as solution to our digital dilemmas

May 4, 2014 · milosz · Opinion

How to access single-user mode without password

May 1, 2014 · milosz · Debian · Enhanced security · System management

April  6

Widelands – strategic maneuvering at its best

April 23, 2014 · milosz · Game

Where to download Debian minimal CD?

April 20, 2014 · milosz · Debian · System installation

Learn C and build your own programming language

April 17, 2014 · milosz · Opinion · C · Linux · Programming

Hand-picked audio podcasts for Linux users

April 11, 2014 · milosz · Linux · Opinion

How to count local user accounts

April 7, 2014 · milosz · Command-line · Debian · Managing users and groups · Shell script · System management

How to remotely check PostgreSQL version

April 4, 2014 · milosz · Command-line · Debian · PostgreSQL · Shell script

March  3

What is Linux?

March 31, 2014 · milosz · Linux · Opinion

How to non interactively provide password for the PostgreSQL interactive terminal

March 23, 2014 · milosz · Command-line · Linux · PostgreSQL

How to setup KVM full virtualization solution

March 16, 2014 · milosz · Debian · KVM · Virtualization

February  2

How to colorize text in terminal

February 17, 2014 · milosz · Command-line · Linux · Shell script

How to highlight text in terminal

February 10, 2014 · milosz · Command-line · Linux · Shell script

January  4

How to manage packages on an off-line Debian system

January 30, 2014 · milosz · Debian · Package management · System management

How to reliably use Serial port within the local network

January 10, 2014 · milosz · Command-line · Debian · Hardware · Networking

How to upload Jekyll blog to the Gandi Simple Hosting

January 6, 2014 · milosz · Command-line · Debian · Gandi · Jekyll · nginx · Software recommendation

How to open Firefox bookmarks from OpenBox menu

January 2, 2014 · milosz · Debian · Shell script · Software recommendation · SQLite3 · X Window System

2013  80

December  5

Fresh install of the Debian Wheezy

December 31, 2013 · milosz · Debian · Opinion · X Window System

uGet download manager for Linux desktop

December 28, 2013 · milosz · Debian · Networking · Software recommendation · X Window System

Logitech Unifying Receiver

December 6, 2013 · milosz · Debian · Hardware

How to redirect command output using sudo

December 3, 2013 · milosz · Command-line · Enhanced security · Linux · System management

How to set up Raspberry Pi as a tiny NAS server

December 1, 2013 · milosz · Hardware · Linux · RaspberryPi · Software recommendation

November  3

How to generate directory index files

November 21, 2013 · milosz · Apache · Shell script

Unattended boot, Grub, Ubuntu and power failure.

November 14, 2013 · milosz · Issue · System management · Ubuntu

How to create bootable recovery USB Flash Drive

November 10, 2013 · milosz · Backup · Linux · Recovery · Software recommendation

October  7

How to deal with dmesg timestamps

October 31, 2013 · milosz · Command-line · Enhanced security · System management · System monitoring

How to accurately determine when the system was booted

October 28, 2013 · milosz · Command-line · Debian · Enhanced security · System management

How to automatically login user at the console

October 20, 2013 · milosz · Command-line · Debian · System management · Debian Wheezy

How to tell to which package the specified file belongs to

October 14, 2013 · milosz · Command-line · Debian · Package management · System management

How to determine whether the processor supports 64-bit instruction set

October 7, 2013 · milosz · Debian · System management · Ubuntu

How to configure software RAID1 during installation process

October 4, 2013 · milosz · Debian · Software RAID · System installation · System management

Handy way to beep within a shell script

October 2, 2013 · milosz · Command-line · Debian · Shell script

September  7

How to backup and restore installed packages

September 25, 2013 · milosz · Debian · Package management · System management

Apt-Cacher NG and Debian minimal CD

September 19, 2013 · milosz · Debian · Package management

How to setup apt caching proxy

September 15, 2013 · milosz · Debian · Package management · Software recommendation

How to disable automatic mounting of the removable storage devices on Crunchbang

September 11, 2013 · milosz · Issue · Linux · X Window System

How to read the kernel’s start-up parameters

September 8, 2013 · milosz · Debian · System management

Nexus 7 – Android 4.3 – bootloader problem

September 4, 2013 · milosz · Android · Issue

How to check last mount time of the ext2/ext3/ext4 filesystem

September 3, 2013 · milosz · Command-line · Debian · System management

August  4

Source code wants to be free

August 27, 2013 · milosz · Opinion

How to setup point-to-point OpenVPN tunnel

August 18, 2013 · milosz · Debian · Enhanced security · Software recommendation

Web-based VirtualBox front-end

August 13, 2013 · milosz · Software recommendation · VirtualBox · Virtualization · Web-based

How to perform automated backup using rsync over ssh

August 8, 2013 · milosz · Backup · Debian · Software recommendation

July  7

How to display available updates

July 29, 2013 · milosz · Command-line · Debian · Package management · System management

How to control VirtualBox machine using shell

July 23, 2013 · milosz · Command-line · Linux · Software recommendation · VirtualBox · Virtualization

How to create browser sandbox

July 19, 2013 · milosz · Debian · Enhanced security · Software recommendation

How to list local displays

July 13, 2013 · milosz · Command-line · Debian · Shell script

Open Source web-based RSS readers

July 8, 2013 · milosz · Software recommendation · Web-based

Debian – How to hold specific package

July 4, 2013 · milosz · Command-line · Debian · Package management · System management

Kolab – How to integrate Dokuwiki

July 1, 2013 · milosz · Kolab · Linux · Software recommendation

June  7

Kolab – How to integrate Tiny Tiny RSS

June 28, 2013 · milosz · Kolab · Linux · Software recommendation

Kolab – How to integrate Piwik Web Analytics

June 24, 2013 · milosz · Kolab · Linux · Software recommendation

How to use post parameters as a custom taxonomy in Jekyll

June 20, 2013 · milosz · Jekyll

WordPress to Jekyll migration

June 16, 2013 · milosz · Opinion

Debian – How to quickly disable IPv6

June 7, 2013 · milosz · Debian · System management · sysctl

Kolab – High CPU usage after adding a few aliases

June 2, 2013 · milosz · Issue · Kolab · Linux

WordPress and Login Security Solution – SQL query

June 1, 2013 · milosz · Issue

May  10

Kolab and national characters in the mail subject

May 29, 2013 · milosz · Issue · Kolab · Linux

Kolab – Move personal data to the private server

May 28, 2013 · milosz · Kolab · Opinion · Software recommendation

Kolab 3 and Debian Wheezy – Small LDAP issue and quick fix

May 25, 2013 · milosz · Debian · Issue · Kolab

How to determine the sunrise and sunset times

May 21, 2013 · milosz · C · Linux · Programming

How to convert date to Julian Day Number using shell script

May 17, 2013 · milosz · Command-line · Linux · Shell script

How to display min and max values of the basic object types

May 13, 2013 · milosz · C · Linux · Programming

CentOS 6 – _netdev fstab option and netfs service

May 10, 2013 · milosz · CentOS · Issue

How to open manual page at the specific page section

May 6, 2013 · milosz · Command-line · Debian · Shell script

How to change port forwardings during the SSH connection

May 3, 2013 · milosz · Command-line · Enhanced security · Linux · Networking

How to relay selected mailboxes using ISPConfig 3

May 1, 2013 · milosz · CentOS · Software recommendation · Web-based · Postfix

April  7

CentOS 6 – RepoForge and Advanced Policy Firewall

April 27, 2013 · milosz · CentOS · Issue

Brief note on the MySQL Master-Slave replication

April 24, 2013 · milosz · CentOS · MySQL · Networking

Ajenti – Clean and simple web-based administration tool

April 17, 2013 · milosz · Linux · Software recommendation · Web-based

Console based task manager

April 14, 2013 · milosz · Command-line · Linux · Software recommendation

How to read total CPU usage of the group of processes

April 11, 2013 · milosz · Command-line · Debian · Shell script

CentOS netinstall – Mirror URL

April 7, 2013 · milosz · CentOS

Keep a pulse on the Address Resolution Protocol traffic

April 4, 2013 · milosz · Debian · Enhanced security

March  11

How to get the date of Easter using shell command

March 30, 2013 · milosz · Command-line · Linux

WordPress as a personal scrapbook

March 29, 2013 · milosz · Opinion

How to easily access files over SSH protocol

March 27, 2013 · milosz · Debian · Enhanced security

How to get number of days in a month using shell commands

March 24, 2013 · milosz · Command-line · Debian

Ubiquiti and management VLAN

March 21, 2013 · milosz · Networking · Ubiquiti

How to re-read partition table

March 19, 2013 · milosz · Command-line · Debian · System management

How to read CCQ on Ubiquiti devices

March 15, 2013 · milosz · Linux · Perl · Programming · System monitoring · Ubiquiti

Simple shell script to backup selected directories

March 12, 2013 · milosz · Backup · Linux · Shell script

Google Transparency Report

March 9, 2013 · milosz · Opinion

How to easily install Steam on Debian Wheezy

March 6, 2013 · milosz · Debian · Software recommendation

Semi-intelligent screensaver

March 2, 2013 · milosz · Command-line · Debian · Shell script · X Window System

February  6

How to automate KDE using D-Bus

February 26, 2013 · milosz · Command-line · Debian · Shell script · X Window System

Omeka – Publish your collection!

February 18, 2013 · milosz · Software recommendation · Web-based

“I love Free Software” – Day

February 14, 2013 · milosz · Opinion

How to quickly maximize particular window

February 11, 2013 · milosz · Command-line · Debian · X Window System

Long term battery capacity graphs

February 7, 2013 · milosz · Debian · Opinion

Google Chrome – Recent “Couldn’t load plugin” error

February 3, 2013 · milosz · Issue · Linux

January  6

Kolab Groupware

January 29, 2013 · milosz · Kolab · Software recommendation · Web-based

How to automatically wake up notebook

January 25, 2013 · milosz · Command-line · Debian

How to automate mouse and keyboard

January 21, 2013 · milosz · Command-line · Debian · Shell script · Software recommendation · X Window System

How to change the MAC address of an Ethernet interface

January 11, 2013 · milosz · Command-line · Debian · Enhanced security · Networking

How to automatically set up external monitor

January 7, 2013 · milosz · Command-line · Debian · Shell script · X Window System

How to monitor battery capacity

January 2, 2013 · milosz · Command-line · Debian · Shell script · System monitoring

2012  83

December  8

Debian – How to turn off the system bell

December 28, 2012 · milosz · Command-line · Debian · X Window System

Debian – How to transparently bridge Ethernet interfaces

December 24, 2012 · milosz · Command-line · Debian · Networking · System management

How to create VLAN interface

December 23, 2012 · milosz · Debian · Enhanced security · Networking · System management · Debian Wheezy

Artha – The Open Thesaurus

December 19, 2012 · milosz · Linux · Software recommendation

Ubuntu Pocket Guide and Reference

December 17, 2012 · milosz · Opinion · Ubuntu

How to graph CCQ on Ubiquiti devices

December 14, 2012 · milosz · Linux · Perl · Programming · System monitoring · Ubiquiti

The Debian Administrator’s Handbook

December 7, 2012 · milosz · Opinion · Debian

Debian – How to install PCI-1610 4-port RS-232 PCI communication card

December 3, 2012 · milosz · Debian · Hardware

November  7

Adblock Plus available on Google Play

November 28, 2012 · milosz · Android · Software recommendation

OpenWRT on Ubiquiti AirRouter

November 26, 2012 · milosz · Enhanced security · Hardware · Linux · Software recommendation · Ubiquiti

Simple shell script to backup MySQL databases

November 22, 2012 · milosz · Backup · Command-line · Linux · MySQL · Networking · Shell script

Ubuntu – Nexus 7 basics

November 18, 2012 · milosz · Android · Ubuntu

Debian – How to read DHCP packets

November 15, 2012 · milosz · Command-line · Debian · Networking

Debian – How to change time zone

November 11, 2012 · milosz · Command-line · Debian · System management

How to remove comments from a shell script

November 7, 2012 · milosz · Command-line · Linux · Shell script

October  4

Debian – How to replicate data over network using GlusterFS

October 16, 2012 · milosz · Command-line · Debian · Networking · Software recommendation

How to determine when daylight saving time changes

October 12, 2012 · milosz · Command-line · Linux · Shell script

Ubuntu Precise – Install youtube-dl package using Quantal repo

October 8, 2012 · milosz · Command-line · Software recommendation · System management · Ubuntu

Free icons for web designers under a CC license

October 4, 2012 · milosz · Opinion

September  4

How to generate QR Codes

September 30, 2012 · milosz · Command-line · Software recommendation · Ubuntu

How to set up SSH port forwarding

September 21, 2012 · milosz · Command-line · Enhanced security · Linux · Networking

CentOS – fping 3.3 plus Smokeping 2.6.8 equals to empty graphs

September 18, 2012 · milosz · CentOS · Issue

PlayOnLinux – Easy way to run Windows apps on Linux

September 17, 2012 · milosz · Debian · Game · Software recommendation

August  6

F-Droid – FOSS applications for Android platform

August 27, 2012 · milosz · Android · Software recommendation

How to create custom data for testing or presentation purposes

August 24, 2012 · milosz · Software recommendation · Web-based

Ubuntu – Unknown encoder libmp3lame

August 16, 2012 · milosz · Issue · Ubuntu

Git – How to avoid typing your password repeatedly

August 12, 2012 · milosz · Git

WordPress – How to check if user is logged in

August 8, 2012 · milosz · PHP · Programming

PHP default timezone warning

August 3, 2012 · milosz · Issue · Linux

July  5

How to reboot Linksys WAG120N router?

July 28, 2012 · milosz · Command-line · Hardware · Linux

Kalkun – How to setup SMS Gateway at home

July 16, 2012 · milosz · Linux · Software recommendation

CentOS – How to manage system services

July 7, 2012 · milosz · CentOS · System management

How to send notifications from Android device to desktop

July 3, 2012 · milosz · Android · Linux · Networking · Software recommendation

How to change RRD data source name

July 1, 2012 · milosz · Linux · System monitoring

June  3

Cacti and Mikrotik – How to graph signal strength without hassle

June 29, 2012 · milosz · Linux · Mikrotik · Networking · Software recommendation · System monitoring

Automated Mikrotik configuration backup

June 8, 2012 · milosz · Backup · Mikrotik

How to send Mikrotik logs to the remote server

June 6, 2012 · milosz · Mikrotik · System monitoring

May  12

How to modify squashfs image

May 27, 2012 · milosz · Linux · System management

Ubuntu – How to use persistent encrypted partition

May 25, 2012 · milosz · Command-line · Enhanced security · System management · Ubuntu

Ubuntu – How to use encrypted tmp partition

May 24, 2012 · milosz · Enhanced security · System management · Ubuntu

Ubuntu – How to encrypt swap partition

May 23, 2012 · milosz · Enhanced security · System management · Ubuntu

How to use VideoLAN in live mode

May 19, 2012 · milosz · Issue · Ubuntu

How to download YouTube videos using console application

May 17, 2012 · milosz · Software recommendation · Ubuntu

How to backup DOS-type partition table/GPT and LVM metadata?

May 14, 2012 · milosz · Backup · Command-line · System management · Ubuntu

How to get disk UUID

May 10, 2012 · milosz · Command-line · System management · Ubuntu

How to mount software RAID1 member using mdadm

May 8, 2012 · milosz · Command-line · Debian · Recovery · Software RAID · System management

Boot to RAM notes

May 2, 2012 · milosz · Command-line · System management · Ubuntu

How to add custom grub2 menu entry?

May 1, 2012 · milosz · System management · Ubuntu

Ubuntu – Where to download Minimal CD?

May 1, 2012 · milosz · Ubuntu

April  3

How to check the progress of the dd process

April 29, 2012 · milosz · Command-line · Linux · System management

How to convert RAW image to VDI and otherwise

April 29, 2012 · milosz · Backup · Linux · Recovery · VirtualBox · Virtualization

Ubiquiti AirOS 5.5 – How to set management VLAN

April 20, 2012 · milosz · Networking · Ubiquiti

March  2

Dell Inspiron 14z – Shortcut buttons

March 7, 2012 · milosz · Issue · Opinion · Ubuntu

How to use recent version of Wine in Ubuntu

March 5, 2012 · milosz · Ubuntu

February  7

Collabtive – web-based project management software

February 26, 2012 · milosz · Software recommendation · Web-based

How to quickly download or upload directory tree over FTP

February 26, 2012 · milosz · Command-line · Debian · Networking · Software recommendation

Write your own book online using Booktype

February 25, 2012 · milosz · Software recommendation · Web-based

How to integrate Roundcube Webmail with ISPConfig 3

February 24, 2012 · milosz · CentOS · Software recommendation · Web-based

Ubuntu and recent problems related to PHP

February 24, 2012 · milosz · Issue · Ubuntu

Your own search engine software

February 23, 2012 · milosz · Software recommendation · Web-based

How to convert Mbox mailboxes to Maildir format

February 10, 2012 · milosz · Command-line · Linux

January  22

How to use physical hard disk in VirtualBox

January 29, 2012 · milosz · Linux · VirtualBox · Virtualization

Dell N411z – “GLX” missing on display “:0.0”

January 28, 2012 · milosz · Issue · Ubuntu

Easy file management on your web server

January 27, 2012 · milosz · Software recommendation · Web-based

Host your own cloud service

January 26, 2012 · milosz · Software recommendation · Web-based

How to quickly create rewrite rules for all WordPress posts

January 25, 2012 · milosz · Command-line · Issue

CTRL + F = xterm

January 24, 2012 · milosz · Issue · Ubuntu · X Window System

How to print contents of virtual console terminal

January 21, 2012 · milosz · Command-line · Enhanced security · Linux

How to access contacts on rooted E10i phone

January 20, 2012 · milosz · Android

How to access sensor data

January 19, 2012 · milosz · System monitoring · Ubuntu

How to determine current run-level using Linux

January 18, 2012 · milosz · Debian · System management

How to check established TCP connections

January 16, 2012 · milosz · Command-line · Debian · Enhanced security · Networking

How to force sudo to forget password

January 16, 2012 · milosz · Enhanced security · Linux

How to use sudo from within Vim to save file

January 16, 2012 · milosz · Linux · Vim

Secure personal data management

January 15, 2012 · milosz · Enhanced security · Software recommendation

CentOS 6.2, phpMyAdmin, Apache 2.2 – Segmentation fault (11)

January 13, 2012 · milosz · CentOS · Apache · Issue

Audible ping

January 11, 2012 · milosz · Linux

How to access Ubiquiti Beta Program

January 11, 2012 · milosz · Ubiquiti

How to count files or directories

January 10, 2012 · milosz · Command-line · Linux

Redshift – adjust the color temperature of your screen

January 10, 2012 · milosz · Linux · Software recommendation · X Window System

How to create live Linux USB using Windows

January 4, 2012 · milosz · Software recommendation · Microsoft

How to release WAN IP address on WAG120N router using wget

January 3, 2012 · milosz · Command-line · Linux · Networking

How to install deb package in Ubuntu?

January 1, 2012 · milosz · Command-line · Package management · System management · Ubuntu

2011  37

December  7

Create web thumbnail for SemanticScuttle using cutycapt

December 28, 2011 · milosz · Command-line · Linux · Shell script · Software recommendation

Self hosted bookmark management software

December 28, 2011 · milosz · Software recommendation · Web-based

ASUS 1005HA – ACPI and CPU fan failure

December 24, 2011 · milosz · Hardware · Issue · Ubuntu

How to filter Rsyslog logs by IP address and avoid duplicates

December 24, 2011 · milosz · Linux · System monitoring

Disable WordPress post revisions

December 15, 2011 · milosz · Issue

How to find yesterday’s or tomorrow’s date using shell?

December 15, 2011 · milosz · Command-line · Linux

Ubiquiti NanoBridge M5 – management VLAN

December 15, 2011 · milosz · Networking · Ubiquiti

August  1

How to rollback Rails database migration

August 28, 2011 · milosz · Programming · Ruby

June  3

How to connect to another device by MAC address

June 30, 2011 · milosz · Mikrotik

How to delete all firewall rules using a single command

June 30, 2011 · milosz · Mikrotik

Keep your finger on the pulse with rsyslog and LogAnalyzer

June 1, 2011 · milosz · Linux · Networking · Software recommendation · System monitoring

May  9

Graphical network simulator GNS3

May 30, 2011 · milosz · Networking · Software recommendation

Cannot build mysql gem?

May 18, 2011 · milosz · Programming · Ruby

CentOS/ISPConfig – Easy Postfix upgrade (with MySQL support)

May 18, 2011 · milosz · CentOS · Issue

How to exclude package from update on CentOS

May 18, 2011 · milosz · CentOS · Package management · System management

How to get rid of slow CentOS mirrors on update

May 18, 2011 · milosz · CentOS · Package management · System management

Rails migration example

May 14, 2011 · milosz · Programming · Ruby

How to run specific Rails tests?

May 8, 2011 · milosz · Programming · Ruby

Which Ubuntu release are you using?

May 8, 2011 · milosz · System management · Ubuntu

What if root hint file is out of date?

May 6, 2011 · milosz · Issue · Linux

April  4

How to test regular expressions

April 25, 2011 · milosz · Programming · Ruby

Nginx – rewrite HTTP to HTTPS

April 5, 2011 · milosz · nginx

Nginx + WordPress + SSL

April 5, 2011 · milosz · nginx

Quick DNS check

April 4, 2011 · milosz · Web-based

March  5

How to do some work in each active jail (FreeBSD7)

March 16, 2011 · milosz · Command-line · Shell script · FreeBSD

ODIN – Free Disk Imager

March 16, 2011 · milosz · Software recommendation · Microsoft

Simple script to create new jail in FreeBSD

March 16, 2011 · milosz · Command-line · Shell script · FreeBSD

How to disable autoplay in Windows XP

March 15, 2011 · milosz · Microsoft

ISPConfig 3 – Roundcube for everyone!

March 15, 2011 · milosz · Software recommendation

February  3

How to enable query logging in BIND

February 27, 2011 · milosz · Linux

How to sort IP addresses

February 27, 2011 · milosz · Command-line · Linux

How to split files by size and merge them

February 27, 2011 · milosz · Command-line · Linux · Shell script

January  5

Scripting SPS switches

January 20, 2011 · milosz · Command-line · Hardware · Linux · Networking · Shell script

How to downscale video for your portable device

January 12, 2011 · milosz · Command-line · Linux · Shell script

How to get rid of spaces in filenames

January 12, 2011 · milosz · Command-line · Linux · Shell script

HP DeskJet K209a on Arch Linux

January 9, 2011 · milosz · Linux

Viridian – python based front-end for an Ampache

January 8, 2011 · milosz · Software recommendation

2010  23

December  21

VLC – quick solution for problems with HTTPS certs

December 31, 2010 · milosz · Debian · Issue · Linux · Debian Squeeze · SSL Certificates

How to set global user name and email in git

December 30, 2010 · milosz · Git

Web-based media manager that suits me best – Ampache

December 20, 2010 · milosz · Software recommendation · Web-based

Bootable CD with over hundred of useful tools

December 17, 2010 · milosz · Software recommendation

Small proxy for enhanced security, privacy and ads filtering

December 17, 2010 · milosz · Enhanced security · Linux · Networking · Software recommendation

Web based media manager

December 16, 2010 · milosz · Software recommendation · Web-based

How much your browser tells about you?

December 14, 2010 · milosz · Enhanced security

How to reset local user password on Windows?

December 12, 2010 · milosz · Software recommendation · Microsoft

How to save configuration on Allied Telesis AT-AR745

December 10, 2010 · milosz · Hardware

How to perform HTTP compression test

December 7, 2010 · milosz · Command-line · Linux · Networking

Installing LibreOffice in Ubuntu

December 7, 2010 · milosz · Software recommendation · Ubuntu

Using KDE notification area within a shell script

December 7, 2010 · milosz · Command-line · Linux · Shell script · X Window System

Google DNS servers

December 6, 2010 · milosz · Enhanced security

How to hide posts from selected category on the main WordPress page

December 4, 2010 · milosz · PHP · Programming

Zen Photo – Polaroid-like effect

December 4, 2010 · milosz · Programming · Ruby

Linux-like environment for Windows

December 3, 2010 · milosz · Software recommendation · Microsoft

Ruby and RMagick – Quote with Polaroid-like effect

December 3, 2010 · milosz · Programming · Ruby

Zen Photo and Nginx – rewrite rules

December 3, 2010 · milosz · Linux · nginx

HTTPS Everywhere

December 2, 2010 · milosz · Enhanced security · Software recommendation

Nginx and Gandi SSL certificate

December 1, 2010 · milosz · Gandi · Linux · nginx · SSL Certificates

Nginx proxy and real IP address

December 1, 2010 · milosz · Linux · nginx

November  2

How to access CLI on Linksys SRW switch

November 29, 2010 · milosz · Hardware

How to use ImageMagick effects with Coppermine

November 29, 2010 · milosz · PHP · Programming