If you’re a new Linux admin, you probably at least know about sudo. Sudo stands for “super user do” and allows standard users to take admin-level actions, such as installing software. Even though most ...

Use "sudo usermod -a -G example_group example_user" to add a user to a group. To add a user to multiple groups at once, separate groups by commas, like "sudo usermod -a -G group1,group2,group3 example ...

One of the things that every Unix systems administrator needs to know to properly manage a Unix system is who else is using the powers of root. Without that knowledge, it is not possible to be ...