How do I get back the Unity login screen after installing gnome-core?
Solution 1:
You should be able to do sudo dpkg-reconfigure gdm
to switch between LightDM and GDM. So you'll reconfigure GDM even if it's LightDM you want to use.
You should be able to do sudo dpkg-reconfigure gdm
to switch between LightDM and GDM. So you'll reconfigure GDM even if it's LightDM you want to use.