This chapter describes how to configure GDM in the GNOME Desktop. GDM introduction To start a GNOME Desktop session, users must log in to authenticate their identity. The login screen provides gateway to the desktop environment for the user. The GNOME Display Manager (GDM) application controls the login screen. GDM also enables you to log in to another session without closing the current session. GDM configuring To configure GDM, use the GDM Configurator application. To open GDM Configurator, choose ApplicationsSystem ToolsGDM Configurator. You can configure GDM in the following functional areas: General Standard greeter Graphical greeter Security XDMCP Use the General tabbed section to set general GDM preferences. lists the general GDM settings that you can configure. Element Description Local Information to be provided in a future release. Remote Information to be provided in a future release. Always use 24 hour clock format Information to be provided in a future release. Login a user automatically on first bootup Information to be provided in a future release. Automatic login username Information to be provided in a future release. Login a user automatically after a specified number of seconds Information to be provided in a future release. Timed login username Information to be provided in a future release. Seconds before login Information to be provided in a future release. Use the Standard greeter tabbed section to set preferences for the standard greeter. lists the standard greeter settings that you can configure. Element Description Logo Information to be provided in a future release. Welcome string Information to be provided in a future release. Show choosable user images (face browser) Information to be provided in a future release. No background Information to be provided in a future release. Image Color Scale background image to fit Information to be provided in a future release. Only color on remote displays Information to be provided in a future release. Background color Information to be provided in a future release. Use the Graphical greeter tabbed section to set preferences for the graphical greeter. lists the graphical greeter settings that you can configure. Element Description Greeter list Information to be provided in a future release. Install new theme Information to be provided in a future release. Use the Security tabbed section to set security preferences for GDM. lists the security settings that you can configure. Element Description Allow root to login with GDM Information to be provided in a future release. Allow root to login remotely with GDM Information to be provided in a future release. Allow remote timed logins Information to be provided in a future release. Show system menu Information to be provided in a future release. Allow configuration from the login screen Information to be provided in a future release. Retry delay (seconds) Information to be provided in a future release. Use the XDMCP tabbed section to set preferences for XDMCP. lists the XDMCP settings that you can configure. Element Description Enable XDMCP Information to be provided in a future release. Honour indirect requests Information to be provided in a future release. Listen on UDP port Information to be provided in a future release. Maximum pending requests Information to be provided in a future release. Max pending indirect requests Information to be provided in a future release. Maximum remote sessions Information to be provided in a future release. Maximum wait time Information to be provided in a future release. Maximum indirect wait time Information to be provided in a future release. Displays per host Information to be provided in a future release. Ping interval (minutes) Information to be provided in a future release. GDM logging in to new session New login application To log in to a new session, choose ApplicationsSystem ToolsNew login. A login screen is displayed. Enter your username and password to log in.