Raspberry Pi Ubuntu quickstart

Ubuntu on Pi is suggested for ROS.

Installation

Install the Pi Imager and run it

sudo dpkg -i imager_1.7.2_amd64.deb
sudo rpi-imager&

Pick Ubuntu server

OS > Other general-purpose > Ubuntu > Ubuntu Server 20.04.4 LTS 64-bit

Burn microSD
Plug ethernet and keyboard into the Pi
Temporarily plug melange's HDMI into the Pi
Plug in the power cable and boot it up
Log in as ubuntu/ubuntu and perform initial setup

sudo nano /etc/netplan/50-cloud-init.yaml # and add your wifi info
   ethernets:
       ....
   # MDM add 444 wifi
   wifis:
       wlan0:
           dhcp4: true
           optional: true
           access-points:
               party-at-108-bring-2.4-beers:
                   password: "blah"
sudo netplan apply
ip a # make note of wired and wifi MACs, update dnsmasq
sudo service sshd start # um i don't think this is needed, and we are about to reboot...
sudo reboot

You should now be far enough along to ssh to the machine, reclaim the keyboard, and continue with Linux barebones quickstart.