Bench Brush: https://amzn.to/2GVqcZs (Amazon affiliate)
Removing Apps from Mac using AppCleaner
AppCleaner Download: https://freemacsoft.net/appcleaner/
Adding Application Launcher to Mac Dock
Identifying 32-Bit Apps Installed on your Mac to Prepare for macOS Catalina
Using apt-cacher-ng During an Ubuntu Graphical Install
Installing apt-cacher-ng: https://youtu.be/t8kI4YwdvRA