Cardano Node Builder Boot from SSD https://www.tomshardware.com/how-to/boot-raspberry-pi-4-usb https://www.jeffgeerling.com/blog/2020/im-booting-my-raspberry-pi-4-usb-ssd https://lemariva.com/blog/2020/08/raspberry-pi-4-ssd-booting-enabled-trim Prometheus and Microk8s Api Server canonical/microk8s#1598