[SeatDefaults]
xserver-command=X
greeter-session=lightdm-greeter
user-session=default
allow-guest=true
session-wrapper=/etc/lightdm/Xsession
autologin-guest=true
autologin-user=User
autologin-session=lightdm-autologin
sudo chmod 777 /run/lock
sudo chmod 777 /etc/tmpfiles.d/