Any Linux systems administrator needs to be proficient with a wide range of commands for user management, file handling, system monitoring, networking, security and more. This article covers a ...

If, however, you're a Linux administrator or power user, and you often use shell commands and/or write shell scripts, then, my friend, you can wreck your computer's day with the wrong command at ...

OverTheWire is a collection of web-based games that challenge you to perform tasks. One of the best things about the OverTheWire games is that they teach you how to solve problems on your own and do ...

Currently it costs $299 (around £230) to train as an administrator directly with the Linux Foundation, making Lynda’s Essential Commands (Ubuntu) much better value for money.

All the Ubuntu / Debian Linux commands you need to copy files, install software, edit text and much, much more.

When you need to enforce password changes for users on Linux machines, the chage command-line tool is a must-have.

Use this in-depth tutorial to master the troubleshooting and administration of Linux printers.