Yann,
There's a simple fix, which avoids running any dpkg-* commands:
sudo su echo "/usr/sbin/lightdm" > /etc/X11/default-display-manager exit
That should do it.
Yann,
There's a simple fix, which avoids running any dpkg-* commands:
sudo su default- display- manager
echo "/usr/sbin/lightdm" > /etc/X11/
exit
That should do it.