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

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.

If you're new to Linux administration, Jack Wallen shows you a skill you'll definitely need to have--creating directories from the command line interface.

In the world of Linux, where multi-user systems and server security are foundational principles, understanding file permissions and ownership is crucial. Whether you're a beginner exploring your first ...