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Adding a GUI to a Raspberry Pi running Raspberry Pi OS Lite

You may have installed Raspberry Pi OS Lite on your Raspberry Pi, which does not ship with a GUI. If you change your mind and want a GUI after all, you can just install one. In this exercise we wi...

How the Raspberry Pi enables SSH when /boot/ssh.txt is present

Note on security If you decide to enable SSH, remember to change the default password! Preferably you disable password-based authentication and instead setup key-based authentication. See the of...

How the Raspberry Pi automatic file system expansion works

When you boot Raspberry Pi OS for the first time, it performs an automatic file system expansion. This process makes sure that the file system is expanded to the size of the SD card. Because of thi...

Happy Advent of Code 2020!

It’s the first day of December, which means it’s time for another installment of the Advent of Code! The Advent of Code is a daily programming challenge for every day of December until Christmas. ...

Tips for using watch

I have been using watch for some time now but only recently I found out it offers some options that make it even better! What is watch? Watch is a program that repeatedly executes a command you t...

Pretty dialog boxes for your shell scripts using Whiptail

Have you ever wanted to make your shell script interactive? Or have you ever wanted to display a full screen message from your shell script? Whiptail can do this for you! The docs describe Whiptai...