SysAdmin

A CentOS 8 machine can be turned into a hypervisor by installing KVM (short for "Kernel-based Virtual Machine"). This virtualization technology gives users the ability to run multiple virtual machines in isolated environments.

Cron jobs are a built-in Linux utility that allow you to automate and schedule recurring tasks. We go over different ways you can schedule jobs to run at system boot.

Upgrade from Ubuntu 16.04 to Ubuntu 18.04 (Bionic Beaver) in a couple of simple steps. This guide shows you two different ways to upgrade your Ubuntu 16.04 system - through the graphical user interface or the command line.

When packages are accidentally removed or modified on Debian or Ubuntu, reinstalling them usually resolves the problem. The --reinstall flag is an apt-get command shortcut for reinstalling packages using the command line.

Ubuntu 16.04 EOL is coming up on April, 2021. This Linux distribution will no longer be supported with updates and patches, so make sure you upgrade or mitigate your systems on time.

The disown command is a part of the default Unix shell. You can use it to delete jobs or keep them running after you exit the terminal window.
This tutorial goes over different ways you can use the disown command.

Change the user agent string with curl by adding the required option attribute. Change the user agent to the wanted browser to access any webpage.

This article provides a quick overview of basic commands and processes necessary for deleting both local and remote Git branches.

Six ways to convert a DOS to Unix file by removing the r line ending or replacing it with just line feeds. Convert DOS to Unix and vice versa with the help of this guide and learn how all the commands work by following the examples included.

The Linux hostname command lets you view your computers domain, hostname, and IP address. You can also use it to change your hostname. This tutorial covers all the ways you can use the hostname command, with examples for each option.