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 ...

Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

Many of the commands that allow you to manage user accounts and monitor user activity require sudo access.

Linux groups allow better control access to files and folders. Here are the five commands you'll want to keep in your back pocket.