Try these: Megathread for MineOS webui issues
Based on your ERR_EMPTY_RESPONSE
I have to imagine that the possibilities lie in:
-
npm install
had error output, (some modules did not compile, e.g.,userid
) and the webui is not working properly. re-runnpm install
and review the output. -
what’s in
/var/log/mineos.log
?