Recently I hit this issue after removing all X-related packages from server.
Root cause was some missing packages from lightdm.
NB! Please use this suggestions ONLY if you need only console interface on your server.
You can fix it by removing all configuration files which belong to lightdm:
Root cause was some missing packages from lightdm.
NB! Please use this suggestions ONLY if you need only console interface on your server.
You can fix it by removing all configuration files which belong to lightdm:
sudo apt-get purge lightdm
