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 ...

Your Linux users may not be raging bulls, but keeping them happy is always a challenge as it involves managing their accounts, monitoring their access rights, tracking down the solutions to problems ...

As a system administrator, one of your jobs is managing users and groups. Without the proper care and feeding of this particular task, your company would have a hard time functioning properly and ...

In the vast landscape of operating systems, Linux stands as a bastion of flexibility and security. Central to its robust security model is the meticulous management of user accounts and permissions.

In Linux, groups play a central role in managing user permissions and access control. Whether you're an experienced system administrator or a curious new user, understanding how to list and analyze ...

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 ...

Sudo is a powerful but imperfect Linux tool. These tips can help make using sudo easier and safer. Always use caution when monkeying with sudo. I started using Linux prior to the advent of sudo. Back ...