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 ...

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.

The sudo command lets users elevate their privileges to run admin tasks. But it's far from perfect. These tips can help.

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

Removing sudo rights from CentOS (top) and Ubuntu (bottom). How to create a new user with admin privileges on Linux Your email has been sent Black Hat: Security Researcher Unpacks Cybercrime’s ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

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

Howdy all, so I have fairly extensive experience with VMware and Windows Server, but quite limited experience with linux and feel like I should try and remedy that. Unfortunately I'm in that kind of ...