How to install the Gpi_case2 patch using Linux?!

[Dan1jel]

I don't. Have max or windows so how do I run the script using Linux?

i added all config.txt in /boot/ i installed the script, moved on from my rpi3 to CM4, that has no wifi, started up, and see " * failed to add service - already in use? "

im a regular guy, just want to start my GPiCase2 with RetroPie, but that seems to be hard to do?
Recalbox is easy becase script is already added in the installation but RetroPie...?!

i might be stupid but, i need to download a patch, and add the files to /boot (no linux how-to, just windows and max so i assume it is just to add in boot folder), then install the script for automatic shutdown.

Yes automatic shotdown works, but i cant enter/start Emulationstation.... how hard should it be?!?! Someone?!