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gdm3(8)


NAME

   gdm3 - GNOME Display Manager

SYNOPSIS

   gdm3

DESCRIPTION

   gdm3 is the equivalent of xdm(1x) or wdm(1x), but uses the GNOME
   libraries to provide a GNOME look-and-feel. It provides the GNOME
   equivalent of a "login:" prompt.

   gdm3 reads /etc/gdm3/custom.conf for its configuration. For each local
   display, gdm starts an X server and runs a minimal GNOME session
   including a graphical greeter. If configured so, the main gdm process
   also listens for XDMCP requests from remote displays. These requests
   can either be direct, causing gdm3 to start a session on the remote
   display, or indirect, causing a chooser to be opened.

   When managing a display, gdm3 attempts to execute
   /etc/gdm3/Init/display, or /etc/gdm3/Init/Default if that does not
   exist. When a user logs in, gdm3 first attempts
   /etc/gdm3/PreSession/display (or /etc/gdm3/PreSession/Default), and
   then one of the sessions defined in /usr/share/xsessions. When the
   session has completed, gdm attempts to run
   /etc/gdm3/PostSession/display, or /etc/gdm3/PostSession/Default.

   gdm3 maintains information about the displays it is managing in
   /var/lib/gdm3. This includes xauth information, so this directory is
   not readable to normal users.

   gdm3 uses PAM to perform authentication using the config file
   /etc/pam.d/gdm3.

ENVIRONMENT

   XAUTHORITY
       Upon session startup, GDM sets the XAUTHORITY environment variable
       to a session-specific file in /var/run/gdm3.

       Applications and scripts that assume this file is set to
       ~/.Xauthority will not work. To access the display you need both
       DISPLAY and XAUTHORITY variables.

AUTHOR

   Martin Kasper Petersen <mkp@SunSITE.auc.dk>

   This manual page written by Steve Haslam <araqnid@debian.org> for
   Debian GNU/Linux. Updated by Raphaeel Hertzog <hertzog@debian.org>,
   Ryan Murray <rmurray@debian.org>, Josselin Mouette <joss@debian.org>
   and Vincent Lefevre <vincent@vinc17.net>.



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