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XDMCP setup (only one time)

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Operating Systems Solaris XDMCP setup (only one time)
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Old 09-05-2007
XDMCP setup (only one time)
I tried to connect to a Solaris computer through XDMCP (through Xnest from an RHEL 4u4 computer), but it doesn't quite work. I can login once and everything works perfectly. If I log off and try a 2nd time, I can see the login screen, and can enter the username and password, and then if they are correct, it automatically logs off. The only way to get it to work again that I can find is to reboot.

To get to this point, I reformated the computer with Solaris 6/6. After reformatting I updated /etc/ssh/sshd_config to change a line to
PermitRootLogin yes
and updated /etc/default/login file to comment out the CONSOLE=/dev/console line.

After that I edited /etc/X11/gdm/gdm.conf to enable xdmcp and set all the security settings to permit root logins and remote logins.

By the way, everything works when you log into a Linux node every time.
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LEARN ABOUT SUNOS

gdmxnest

gdmXnestchooser(1)						   User Commands						gdmXnestchooser(1)

NAME

       gdmXnestchooser, gdmXnest - run an XDMCP chooser

SYNOPSIS

       gdmXnestchooser	[--background]	[--broadcast]  [--direct]  [--no-gdm-check]  [--no-query] [--xnest-extra-options=options] [--xnest=string]
       [gnome-std-options] hostname

DESCRIPTION

       gdmXnestchooser automatically gets the correct display number, sets up access, and runs Xnest with -indirect localhost. This  ensures  that
       you  get  an  XDMCP  chooser that is provided by your machine. You can also specify the hostname whose chooser should be displayed, so that
       gdmXnestchooser somehost runs the XDMCP chooser from host somehost inside an Xnest.

       gdmXnest is a symbolic link to gdmXnestchooser and is the same as running gdmXnestchooser with the --no-query and  --no-gdm-check  options.
       gdmXnest is useful for running Xnest without actually connecting somewhere.

OPTIONS

       The following options are supported:

       --background    Run in the background. You can also use -b to specify this option.

       --broadcast     Run broadcast instead of indirect (chooser). You can also use -B to specify this option.

       --direct        Do direct query instead of indirect (chooser). You can also use -d to specify this option.

       --no-gdm-check  Do not check for running GDM.

       --no-query      Just run Xnest, no query (no chooser). You can also use -n to specify this option.

       --xnest-extra-opExtra=options for Xnest. The default is no options. You can also use -o to specify this option.

       --xnest=string  Xnest command line. The default value is Xnest. You can also use -x to specify this option.

       gnome-std-optionStandard options available for use with most GNOME applications.  See gnome-std-options(5) for more information.

OPERANDS

       The following operands are supported:

       hostname        Hostname whose chooser should be displayed.

EXAMPLES

       Example 1: Running the XDMCP Chooser From Host somehost Inside an Xnest

       example% gdmXnestchooser somehost

       Example 2: Connecting to somehost Directly Run

       example% gdmXnestchooser -d somehost

FILES

       The following files are used by this application:

       /usr/bin/gdmXnestchooserExecutable to run an XDMCP chooser

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-display-mgr	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       Latest version of the GNOME Desktop User Guide for your platform.

       gdm(1), gdmflexiserver(1), gdmphotosetup(1), gdmsetup(1), gdmthemetester(1), gdm-restart(1m), gdmconfig(1m), gnome-std-options(5)

NOTES

       Original  man page written by Martin K. Petersen <mkp@mkp.net>, George Lebl <jirka@5z.com>. Copyright (c) 1998, 1999 by Martin K. Petersen.
       Copyright (c) 2001, 2003, 2004 by George Lebl. Copyright (c) 2003 by Red Hat, Inc.

       Updated by Brian Cameron, Sun Microsystems Inc., 2004.

SunOS 5.10							    1 Sep 2004							gdmXnestchooser(1)