Run x11vnc on lightdm / gdm

/usr/bin/x11vnc -display :0 -auth /run/user/${UID}/gdm/Xauthority -rfbport 5900
/usr/bin/x11vnc  -create -xkb -noxrecord -noxfixes -noxdamage -display :0 -auth /var/run/lightdm/root/:0 -rfbport 5900