gdm

graphical login manager for GNOME

TLDR

Start GDM

$ systemctl start gdm

Stop GDM

$ systemctl stop gdm

Enable at boot

$ systemctl enable gdm

Restart GDM

$ systemctl restart gdm

Check status

$ systemctl status gdm

gdm (GNOME Display Manager) is the graphical login manager for GNOME. It provides the login screen, user authentication, and session management for desktop environments.GDM handles user selection, password authentication, and starting desktop sessions. It supports multiple sessions, accessibility features, and user switching.gdm is typically started by systemd and runs as a system service.

PARAMETERS

--version

Display version.

--help

Display help information.

CONFIGURATION

/etc/gdm/custom.conf

Main GDM configuration file controlling login behavior, auto-login, and session settings.

/etc/gdm3/custom.conf

Alternative configuration path on Debian-based systems.

INSTALL

sudo dnf install gdm

sudo pacman -S gdm

sudo apk add gdm

sudo zypper install gdm

nix profile install nixpkgs#gdm

CAVEATS

Requires X11 or Wayland. Configuration through dconf. Managed by systemd on modern systems.

HISTORY

GDM was created as part of the GNOME project to provide a display manager integrated with the GNOME desktop environment. It replaced xdm for GNOME users.

gdm