If you’re managing a Linux server, it’s good to be ready with a number of commands that you can use to check user activity – when your users are logging in and how often, what groups they belong to, ...

Linux is a multi-user environment, which means more than one user can use the system at one time. Granted, that mostly takes the form of console access (via SSH), because you can't easily have two ...

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

The last command allows you to look further back into time to see both current and older logins, beginning with the most recent and moving back into previous logins. The command below reports on ...

Linux is a multi-user operating system, even if you are the only person using your computer. The most basic of systems has two users: you and the superuser, which is also called root. Every file or ...

How to Create Users and Groups in Linux from the Command Line Your email has been sent Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line ...