XDMCP problems

[Barry Nauta]

Hello,

Unfortunately, no luck. The same penomona also occurs with KDM.... The
funny part is that I get the login screen of the unix host when login in
graphically onto the unix machine, but afterwards the connections
crashes and I get back into kdm. 

Another thing I noticed that if I launch tsclient, the xdmcp connection
is not available which confirms your guess that xdmcp is not started
with X. How I do get it started still remains a mistery though...

Barry


-----Original Message-----
From: ubuntu-users-bounces at lists.ubuntu.com
[mailto:ubuntu-users-bounces at lists.ubuntu.com] On Behalf Of David
Johansson
Sent: 04 June 2005 12:16
To: Ubuntu Help and User Discussions
Subject: Re: XDMCP problems

Hi,

it's gdm that starts X without XDMCP.  Just run gdmsetup and enable
XDMCP and incoming connections. Hope that works for you.

/david

On 6/3/05, Barry Nauta <barry.nauta at switch.be> wrote:
> To all,
> 
> I recently installed Ubuntu and absolutely love it!!! I have one big 
> problem however, and that one is related to XDMCP.
> 
> Here is what is going on:
> 
> mycomputer:~$ xhost +
> access control disabled, clients can connect from any host 
> mycomputer:~$ telnet unixhost
> 
> [.. login..]
> 
> unixhost > export DISPLAY=mycomputer:0.0 unixhost > xterm &
> 
> [.. wait ..]
> 
> unixhost > xterm Xt error: Can't open display: mycomputer:0.0
> 
> So... no xdmcp connection possible? If I am correct, xdmcp uses UDP 
> over port 117? netstat -a doesn't show this port....
> 
> Something else: when being root when I have my display set to ':0.0', 
> I can vi scripts etc. When I set my display to 'localhost:0.0' I can 
> edit scripts, but apparently there is some sort of timeout...
> Starting a graphical program as root results in an error...
> cannot connect to X server localhost:0.0
> 
> I have edited the file /etc/X11/xinit/xserverrc and removed the 
> '-nolisten tcp' but without success
> 
> Any input on where to look is much appreciated
> 
> Kind regards,
> Barry
> 
> 
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