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Chapter 5. GDM
GNOME Display Manager, which provides a graphical login environment. After the transition from GNOME 2 to GNOME 3, configuring
GDMis only possible through
systemdas it no longer supports other init systems.
- the gdm package
- The gdm package has replaced xorg-x11-xdm, which provided a legacy display login manager for the X Window System. As mentioned before, the gdm package provides the graphical login screen, shown shortly after boot up, log out, and when user-switching.
- GDM and logind
logindfor defining and tracking users. For more information, see Chapter 2, logind. System administrators can also set up automatic login manually in the GDM custom configuration file:
- GDM configuration is now found in
/etc/gdm/custom.conf. However for backwards compatibility, if
/etc/gdm/gdm.confis found it will be used instead of
custom.conf. When upgrading, Red Hat recommends removing your old
gdm.conffile and migrating any custom configuration to
Getting More Information
For more information on
GDM, see Section 14.1, “What Is GDM?”.
For information on configuring and managing user sessions, see Section 14.3, “User Sessions”.
For information on customizing the login screen appearance, see Section 10.4, “Customizing the Login Screen”.