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Old 03-19-2008, 03:33 AM   #1
cephus5
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Why does SLES allow no access to its X Server?


I wouldn't call myself a newbie but I don't think this question fits in the Distributions section because I have a hunch that it's more of a general linux thing.

So I'm working on a SLES 10 and running applications on a remote server (AIX 6.1). I cannot (neither with ssh -X nor with telnet, xhost, DISPLAY) get the remote GUIs to appear on my SLES screen. I tried the same thing with an SLES 9 and it also didn't work. It works problem free with Cygwin or Hummingbird.

Is there a security configuration in SLES I'm missing?

To prove that I'm not just asking random questions without trying to find the answer, here are things that aren't the problem:

1. on the remote machine (AIX), ForwardX11 is set to yes in /etc/ssh/ssh_config

2. I tried logging onto the remote machine with ssh -X root@remoteHost, then running xclock:
Error: Can't open display:
It's a bit strange that nothing is in the DISPLAY variable at this time, so I try step 3:

3. I also tried setting xhost + <remoteHost>, then doing telnet <remoteHost>, then setenv DISPLAY <SLES10-IP>:0.0

xclock on the remote host returns (after over 20 seconds' wait):
Error: Can't open display: <SLES10-IP>:0.0


So which of you Gurus has some experience with this and can give me a hand? Thanks a lot in advance,

Cephus
 
Old 03-19-2008, 07:49 AM   #2
bigrigdriver
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Try these instructions: http://linux.about.com/library/cmd/blcmdl_xhost.htm.
 
Old 03-19-2008, 08:36 AM   #3
cephus5
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Already tried it

Hi,
First of all thanks for the response.
The linked page describes exactly the procedure that I tried in 'attempt 3' but this gave the above mentioned error. Any more ideas?

Cephus
 
Old 06-03-2008, 06:18 AM   #4
cephus5
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I found the answer myself and proved to be a SuSe newbie. In the Control Panel, under 'firewall' you can choose to allow access to the X Server, this was it. As soon as I set this option to 'allow', I could use ssh -X and telnet with DISPLAY, etc.

Thanks to everyone for your help anyway, and to anyone with my problem, hope this helps you.

Cephus
 
  


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