Adding or removing U-Boot in Ubuntu Groovy

Installing the official Ubuntu desktop for the Raspberry Pi

Changing stuff with pibootctl

The how of pibootctl

The what and the why of pibootctl

A quick review of the Ubuntu desktop flavours on the Raspberry Pi

Installing packages on first boot

How cloud-init talks to netplan to configure the network

A deeper look at user creation in cloud-init’s user-data file

Using cloud-init configuration to secure your first boot.