Debian Jessie

Use s3cmd Command Line S3 Client and Backup for Linux and Mac to display disk usage on a particular bucket. ...

Recently I stumbled upon the missing firmware for Broadcom Tigon3 based gigabit Ethernet card after kernel upgrade process. Simple problem, which was solved by installing firmware-linux-nonfree Binary firmware for various drivers in the Linux kernel package. ...

There are rare cases when known hosts file becomes corrupted, so basic ssh utilities fail within custom built shell scripts due to ~/.ssh/known_hosts is not a valid known_hosts file error. ...

Many years ago I wrote How to display available updates blog post which mainly related to Debian Wheezy. Today I want to extend it by a neat console friendly utility available in Debian Jessie since the milestone apt release thanks to Michael Vogt. ...

I am constantly moving between a fixed list of several directories daily. Using cd can be tedious at times, so I defined a shell function to quickly jump between a defined set of directories. ...

Vagrant is an awesome piece of software, but constantly downloading system packages can be very time-consuming. The simplest solution is to set up an apt caching proxy as a Vagrant box. ...

Today, I will publish Vagrant configuration to set up DokuWiki instance. It is just a handy reference, as described in the earlier blog post. ...

Today I will install Vagrant which provides an easy way to configure reproducible and portable virtual environments. It is just a first step towards this new direction, so stay tuned for more details soon. ...

I have already described a straightforward way to automatically login user at the console without touching the graphical user interface using Debian Wheezy, so today I will post an update for Debian Jessie as the whole process has changed considerably. ...

Dokuwiki is the best Open Source project I have ever used, so I have prepared a simple step-by-step guide to help you get started. It is relatively brief and concise as most of the code was already described in other blog posts found on this website. ...

I have described a simple way to configure the AWStats web-interface last month, so I will continue this topic further and tell you how to add a menu to quickly switch between configured sites. ...

I will show you how to configure the AWStats web-interface using the uWSGI application server and Nginx HTTP server, which is a very simple and straightforward process. ...

This brief outline explains how to locate specific file within Debian packages using very useful apt-file utility which as opposed to dpkg-query does not only inspect installed packages since it utilizes fetched lists of the contents of packages. ...

I will show you how to generate a random password using the OpenSSL utility, standard command-line utilities, Password Generator (pwgen), and Automated Password Generator (APG). ...

I was recently pointed out by Piotr Gabryjeluk that Iceweasel name was dropped (see Debian Bug report #815006). This caused a major inconsistency in the previous blog post. This is an updated version for Debian Jessie ...

Today, I will describe how to cause PostgreSQL clusters to reload their configuration files using four simple methods. ...

Since the beginning of this year, I have started using Seafile, and I absolutely love it as it offers simple data organization using libraries and reliable file synchronization between multiple devices with built-in encryption. Check for yourself as it is undoubtedly worth it. ...

This blog post is an update to the earlier PostgreSQL entries in which I will show you how to use continuous Write Ahead Log archiving to take advantage of the point-in-time recovery. ...

I have already described a simple way to perform base PostgreSQL backup using file system utilities. Now I want to show you a different approach using pg_basebackup utility. ...

It is an interesting thing to know how to parse and process Linux Software RAID events. It is also beneficial as you can automatically take appropriate action immediately after a certain event occurs. ...

Today I want to show you how to perform base PostgreSQL backup using standard file system utilities. It is great example as it briefly describes basics required before moving to more advanced topics. ...

There are many different ways to set NOOP scheduler on the first hard drive at system boot. I have decided to use simple systemd service, but alternatively you can use udev to automatically configure every SSD device (see References section). ...

Sometimes, I want to prevent regular users from logging into the system to perform more complex operations. To achieve that, I am using Pluggable Authentication Modules for Linux to temporarily disable user logins. ...

This is a follow up to the previous article. I will briefly describe a way to boot Debian installation ISO image from USB flash drive using syslinux bootloader. ...

Today, I will show you how to create customized USB flash drive to boot selected ISO images using Syslinux bootloader for Linux ext4 filesystem. It is very handy and useful, so let’s begin immediately. ...

It is a short entry, but an useful one, as it is important to have a basic knowledge of how to schedule system reboot or power it down automatically at specified time. ...

Do you want to use the latest version of Iceweasel, also known as Firefox? Then add the repository provided by the Debian Mozilla team and choose between release, beta and aurora version. This blog post is obsolete. Please read How to use a recent version of Firefox in Debian Jessie instead. ...

Today, I will explain how to automatically choose nearest mirror based on geographic and network location using Debian mirrors HTTP redirector to solve the common problem of choosing an appropriate mirror. ...

A week ago I wrote about a couple of interesting applications that can crack passwords, but they were not as fast as I thought. After investigating this topic further, I ended up using a community-enhanced version of John the Ripper. ...

I have recovered old backup only to learn that I do not remember password to the found archive. As a result, I checked out two command-line applications to crack passwords used to encrypt zip, 7z or rar archives. ...

Debian Jessie is using systemd as the default system and service manager. I will not argue about it, but instead, I will briefly introduce the whole thing. ...

I have unexpectedly experienced an issue with a couple of broken packages, which was easily solved using debsums utility. ...

Today I would like to tell you how to search for files by date, which is very useful skill when you spend most of your time on the command-line. ...

It is easy to overlook orphaned files without an assigned existing owner or group after moving large amounts of data. Fortunately, it is easy to spot these files using the find utility. ...

On Sunday 29th April 2012, I have described How to check dd’s progress using User-defined signal 1. Today, I will extend this topic further using the proc filesystem. ...

Using find command is not always the fastest way to search for specific files. The better method is to use mlocate utility, which uses its own file database and provides only user-accessible results. ...

I always asked myself how to password protect GRUB entries on an encrypted notebook to lock down the boot loader and protect it from unauthorized access. ...

I have been using unattended upgrades on development machines since the end of last November, when I installed Debian Jessie release. ...

I have updated desktop computer to Debian Jessie. After that I have quickly encountered an issue with GNOME Terminal, Midnight Commander and already assigned F1 and F10 function keys. ...

Since Debian Jessie installation, I have encountered Hangcheck timer elapsed error. It is a really nasty bug as the only way to escape frozen X Window System is to reboot the whole operating system. ...

There was an interesting change in the tasksel announced on the October 5th, 2014, as it provides an opportunity to choose desktop environment during installation process. ...