pao was unreachable for a while, due to changes induced by switching my main notebook.

- changed an IP number and forgot to update firewall
- tried to make some convenience union mounts to simplify accessing the old notebook's backup files, was left with a nonworking line on /etc/fstab .

turns out raspberry confs will make it 1) give up booting if any line can't be mounted (unless you pass nofail), so you need to hook up a screen and keyboard to see what's up, and 2) lock the root account out of recovery boot, so you need to remove the sdcard and fix it elsewhere (no recovery shell to do something as simple as editing /etc/fstab ).

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Elilla’s personal server.