Remote login - xdm

[Larry Howe]

Does anyone know how to configure / use remote login (xdm). I already have 
Desktop Sharing working, but it isn't quite what I want. There is way too 
much network traffic, and I have some reliability problems. I use remote 
login routinely at work, and it works well, so I'd like to try it at home. I 
checked the docs and have made some progress, but I can't seem to get it to 
work. Here is what I have configured / tried so far. Any help appreciated.

Also, are there any other better tools for this task?

Larry Howe

On the client: ====================================

Configuration: ========

in /etc/opt/kde3/share/config/kdm/kdmrc, I added a single line for LoginMode.

[X-:*-Greeter]
AdminSession=YaSTadminSession
LoginMode=DefaultLocal

Usage: ============

After changing kdmrc, on the X login screen, I now can go Menu / Remote Login. 
That brings up a new screen, titled XDMCP Host Menu. I typed the server name 
in Host and clicked Add. Now the server appears in the list, showing the host 
name, how many users are currently logged in, and the system load (=> it's 
communicating with the server).

If I select the host and click Accept, the screen flashes a few times, the 
stopwatch shows for several seconds, then the _local_ X login screen comes 
back again.

Logs: =============

kdm.log:

Fatal server error:
XDMCP fatal error: Session declined No valid address

/var/log/messages:

Dec 26 10:52:39 pickle kdm: :0[5302]: pam_unix2: session started for user 
lhowe, service xdm

On the server: ===================================

Configuration: =========

Yast / Security and Users / Security Settings / Next / Next / Next / Allow 
Remote Graphical Login (the help for this option says "Checking this allows 
access to a graphical login screen for this machine over the network. Remote 
access to your machine via xdm might be a security risk."

Logs: ==============

I'm not sure whether anything is going in the logs or not. Sometimes I see 
nothing in the logs. Other times I get, in kdm.log:

SetClientVersion: 0 8
SetGrabKeysState - disabled
AUDIT: Sat Dec 25 15:08:27 2004: 4783 X: client 27 rejected from local host
  Auth name: XDM-AUTHORIZATION-1 ID: -1
SetGrabKeysState - enabled
SetClientVersion: 0 8
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 8
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 8
SetGrabKeysState - disabled
SetGrabKeysState - enabled

==============================================
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