I actually just started tinkering, but I'm wondering if it's possible to preseed / automate firewall rules, ssh cfg and static ip for a install without a display.
I've got a wonky hdmi port on my monitor and got pulled into this experiment because I didn't feel like spending more on my libre renegade ( On a functional monitor ) 2nd sbc when I was able to install debian on my Orangepi 3 lts.
I'm going to try to Install https://distro.libre.computer/ci/ubutu/22.04/ I'll update soon, for anyone interested here are the docs https://hub.libre.computer/t/ubuntu-22-04-lts-server-release-notes/63