On most Linux distributions you configure DNS nameservers in /etc/resolv.conf. However in recent versions of Ubuntu that changed with the introduction of Netplan.

How to set and unset an alias in bash

How to mirror a website using wget and an open source GUI to achieve the same thing.

The default color scheme for the Windows Subsystem for Linux (WSL) is not the most readable. Thankfully a tool exists that can change the default color scheme to something more legible.

The cmatrix and sl programs will add a bit of fun to your Linux shell.