● lightdm.service - Light Display Manager
Loaded: loaded (/lib/systemd/system/lightdm.service; enabled; vendor preset: enabled)
Active: inactive (dead) (Result: exit-code) since So 2017-07-02 13:42:26 CEST; 7min ago
Docs: man:lightdm(1)
Process: 1895 ExecStartPre=/bin/sh -c [ "$(basename $(cat /etc/X11/default-display-manager 2>/dev/null))" = "lightdm" ] (code=exited, status=1/FAILURE)
Jul 02 13:42:26 mydreamon systemd[1]: lightdm.service: Unit entered failed state.
Jul 02 13:42:26 mydreamon systemd[1]: lightdm.service: Failed with result 'exit-code'.
Jul 02 13:42:26 mydreamon systemd[1]: lightdm.service: Service hold-off time over, scheduling restart.
Jul 02 13:42:26 mydreamon systemd[1]: Stopped Light Display Manager.
Jul 02 13:42:26 mydreamon systemd[1]: lightdm.service: Start request repeated too quickly.
Jul 02 13:42:26 mydreamon systemd[1]: Failed to start Light Display Manager.