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 ...

How I learned to stop worrying and love systemd.

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. When you have a server with ...

Jack Wallen explains what the Linux home directory is for new users. In Linux, there’s no place like ~/, or $HOME or just home. That’s right, three ways to say ...

User passwords on Linux systems can be configured to be permanent or can be set to expire so that individuals must reset them periodically. Periodic password changing is generally considered good ...

It's not hard to look up configuration details on your Linux system. The hard thing is wrapping your brain around how many are available and what they can tell you. Linux systems can report on a lot ...