@Genosphere the script adds the empty custom.css, and fixes misc problems on different platforms

pm2 --help

will show you all the commands,
you can use the name of the pm2 setup, or the number

pm2 restart MagicMirror
or
pm2 restart 0

is there anything else… ??

no. the objective is to get you up and running, ready for all the rest of the things to work …

read this
https://forum.magicmirror.builders/topic/4231/how-to-add-modules-for-absolute-beginners?_=1597692865004