Batocera

command to make the boot partition editable

mount -o remount,rw /boot

https://wiki.batocera.org/edit_boot_partition

Only the ROMs directory on the NAS

sharedevice=NETWORK
[email protected]:/mnt/user/batocera

https://wiki.batocera.org/store_games_on_a_nas

Command to install Sunshine

curl -L sunshine.batocera.pro | bash

Then https://batoceramachinesipaddress:47990 for config and use moonlight to access it. You can even game remotely.

https://github.com/moonlight-stream