For configuring login screens in ubuntu 8.10 ,enough support is provided by gdm (gnome display manager ) .Choosing a display screens at login, direct login to a desired username without prompting for username and password………
are some features provided by gnome display manager .
With the help of GDM, display can be configured to its maximum according to
the needs of the user.
Configuring gdm can be done either
- by editting the configuration file of gdm
- by using gui provided by gdm
one thing to remembered is that,the user is supposed to have root permissions for configuring the GDM configuration file.
Editting configuration file
The configuration file of the GDM has it’s path as follows
User can hand-edit the file according to the given documentation which suits best to his needs.But editting the file by hand only ,will not result in change of display, also the GDM daemon has to be reported about the change.
For that the user would have to use the command
gdmflexiserver –command=”UPDATE_CONFIG “
by doing this the GDM daemon recognizes the change . Now for the change to be applied ,the GDM has to be restarted . It can be done by
invoke-rc.d gdm reload
invoke-rc.d gdm restart
after restarting the GDM,the display manager reads the new editted configuration file and the required changes are applied then only.
GDM(Gnome Display Manager) GUI
For using the gui provided by GDM ,user can make use of command,