Become an Ubuntu power user in no time.

I replaced Windows with Linux, and there's only one feature I miss ...

Atomic vs. immutable Linux: Why choose one when these nine distros offer both?

Your terminal doesn't have to look like a boring block of white-on-black text. Personalizing it so much easier than it seems.

Fix the “Cannot connect to Docker daemon” error with simple checks, context fixes, and permission updates to get Docker running smoothly.

Unix permissions control who can read, write or execute a file. You can limit it to the owner of the file, the group that owns it or the entire world. For security reasons, files and directories ...

SSH provides remote, text-based access to Unix systems. It is a secure replacement for Telnet, with several additional features. Pre-requisites for remote access Duo: You will need to have Duo set up.