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 range ...

Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

Linux may be easier to use than ever before, but you'll still need to open up a command line from time to time. That includes managing your storage, which isn't exactly easy to do in Linux, even with ...

You can check user groups in Linux with commands like groups, id, getent, and /etc/group to manage permissions easily.

Learn how to add, delete, and grant sudo privileges to users in Red Hat Enterprise Linux (RHEL), AlmaLinux and Rocky Linux.

A simple to follow course, but sadly it isn’t very detailed in places. Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best.

Certifications from Red Hat, Oracle and SUSE are tailored to environments where those Linux distributions are prevalent.