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Old 02-25-2011, 03:58 AM   #1
malcom80
LQ Newbie
 
Registered: Dec 2005
Posts: 12

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ssh -X problem: server not responding at some X apps


Good morning
i m experiencing some problems connecting via ssh
two ubuntu workstation:
a ssh client and a ssh server
The goal of that is to run from local client computer some X applications on the remote server machine

i have configured both client and server for X11forwarding (i think) properly
Infact when i launch xeyes on the client i see the X app running

the problem is for all other X apps. For example when i run xclock, nothing happens on the local PC
the prompt continues blinking without any reponse, no windows opens and the strangest thing, the shell is stucked. No possible to interrupt with [CTRL]+c
the onyl thing to do is close the shell window

Starting in verbose mode (debug), X11 seems works correct , it says x11 confirm as last message .. but nothig happens after keeping you stucked with that

i hope somebody can drive me in some trials to do.

My final goal is to run kaffeine with X forwarding

thnak you very much


malcom
 
Old 02-25-2011, 09:34 PM   #2
mirni
LQ Newbie
 
Registered: Nov 2008
Location: pacific
Distribution: CentOS, openSuse, Ubuntu
Posts: 12

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Can you login to the server from client side?
Quote:
ssh -X user@servers.ip.address
You should be prompted for password and then logged in.
The -X switch is all you should need to be able to run X apps remotely

Try to look into the server's syslog for some tracks. On RedHat/CentOS its /var/log/secure

Last edited by mirni; 02-25-2011 at 09:39 PM.
 
Old 03-11-2011, 04:45 AM   #3
malcom80
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Registered: Dec 2005
Posts: 12

Original Poster
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thank you mirni

but i get to access to the server

the problem is that i cant get to run correctly X apllication on the remote machine

nothing happens for example when i launch xclock and the prompt gets freezed so that i have to close forcing the shell


malcom
 
Old 03-12-2011, 03:10 PM   #4
mirni
LQ Newbie
 
Registered: Nov 2008
Location: pacific
Distribution: CentOS, openSuse, Ubuntu
Posts: 12

Rep: Reputation: 0
To me that sounds like permission issue from server side... In which case you should be able to find some entry relevant to the issue in the server's syslogs.
Is it the same whether you ssh as user or root?

I recommend you looking into 'xauth'

I have never had to do this myself, but it seems like worth trying:
Code:
xauth extract - $DISPLAY | ssh server xauth merge -
which will pass the xauth magic cookie to the server. See http://www.linuxsecurity.com/content/view/124631/177/
 
  


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