Personally, I think the Display Manager is a misleading name. It's better to be called graphical login manager. It is typically a graphical user interface that is displayed at the end of the boot process in place of the default shell. Different desktop environment use different login managers to keep the visual style consistent. GNOME use gdm3. xfce use lightdm KDE use kdm A display manager ...
A display manager (DM) is just the login screen, which runs in its own X windows server session. When you log in, the DM will usually start an entirely fresh X session and will also start the window manager (or desktop environment) that you have chosen.
failed to start gdm.service - [FAILED] Failed to start Gnome Display Manager error ... Unlike other posts, I'm only getting this error message and nothing else.
Run a terminal and enter cat /etc/X11/default-display-manager. Probably says lightdm if you recently uninstalled GDM. /etc/init/lightdm.conf doesn't accept lightdm as a setting - however, /usr/bin/lightdm or /usr/sbin/lightdm work. So open /etc/X11/default-display-manager in your favorite text editor and replace whatever is there with the following line: /usr/bin/lightdm or /usr/sbin/lightdm ...
Recently my lightdm stopped working as normal (Note I can only get the greeter screen if I boot into recovery mode or add 'nomodeset' to my linux boot argument. Using nomodeset seems, however, to p...
Using systemctl status gdm.service : gdm.service - GNOME Display Manager Loaded: loaded (/lib/.../gdm.service;static) Active: inactive (dead) I also noticed that my new data partition is not shown in the recovery menu, and my main Ubuntu partition appears to be full which is not the case. Maybe it's an unfinished heavy download?
As GDM is GNOME Display Manager but it installs the GNOME desktop also when I replaces it with LightDM So what is the difference between installing GDM or installing Gnome-desktop environment?
You may need to restart your display manager to fix your problem. 11.04 and earlier. sudo service gdm restart Ubuntu 11.10 and newer. sudo service lightdm restart lightdm replaces gdm in Ubuntu 11.10 Ubuntu 15.04 and newer. sudo service sddm restart While restarting lightdm restarts the entire display manager, you may be able to resolve the issue by restarting unity or compiz (Unity is a ...
