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

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 ...

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

Linux systems provide many ways to view user activity, including when they login, how long they stay logged in, and what commands they run.

Need to lock down that Linux server so certain remote users can only access a specific directory and only for file upload and download purposes? Jack Wallen shows you how.

In Linux systems, including Debian 12, the sudo group grants users the ability to execute administrative commands. This provides them with the privileges to install, update, and delete software, ...