Homepage › Forums › RetroPie Project › Everything else related to the RetroPie Project › Problems configuring a controller in RetroArch › Reply To: Problems configuring a controller in RetroArch
from terminal
sudo nano /opt/retropie/configs/all/retroarch.cfg
after you have modify, for save press Ctrl+O (O not zero :D ) and press Enter, to exit from editor press Ctrl+X