Categories
SysOps

How to configure swap using zram at boot

Configure compressed swap using zram device at system boot.

Categories
SysOps

How to use compressed RAM based block devices

Take advantage of compressed RAM based block devices to create temporary filesystems and swap disks.

Categories
DevOps

How to disable concurrent builds in Jenkins

Disable concurrent builds in Jenkins declarative pipeline.

Categories
Uncategorized

How to quickly preview WordPress schedule

Last week, I have published My schedule WordPress plugin to preview the schedule using a dedicated menu.

Categories
DevOps

How to dynamically define Ansible SSH user

Create an additional Ansible role to dynamically set Ansible SSH user depending on the defined conditionals.

Categories
Uncategorized

How to display process statistics

Use system performance tools for Linux to display process statistics.

Categories
DevOps

How to display available versions of Python package

Use a Python package installer to display available versions of the specific Python package.

Categories
Uncategorized

How to manage systemd services remotely

Manage systemd services remotely over SSH protocol.

Categories
Uncategorized

How to edit file in-place

Use sponge utility to read standard input and safely write it out to the same file.

Categories
SysOps

How to fix device excluded by a filter

Fix “device excluded by a filter” LVM error.