Shutting down RetroPie usually requires the use of a menu in the Emulation Station interface. This tutorial explains how you can do this via a shutdown button connected to the Raspberry Pi’s GPIO header. All you need is a basic momentary action switch, some wiring and a simple Python script. It’s probably the most useful upgrade you can make to a Pi gaming system.
The RetroPie SSH interface is disabled by default. Follow this quick tutorial to enable SSH in RetroPie and allow remote connections. SSH is a great way to add new ROMs to your retro gaming system and edit Gamelist XML files.
Assuming you have a network enabled RetroPie system running enabling SSH should only take a few minutes.
Step 1 – Run Raspi-Config Utility
From the main RetroPie screen navigate to the “RetroPie” system :