Ubuntu :: 10.04 Laptop Can't Display Remote Xclock

Jul 27, 2010

Hostname: Borg
OS: Lucid Lynx
Kernel: 2.6.32-24


1. borg > xhost +
2. borg > ssh <anyuser>@<anyhost>
3. anyhost > export DISPLAY:<borg's IP>:0.0
4. xclock

NOTHING HAPPENS!!!! Any ideas? Here is what I have tried thus far.


1. gdmsetup - looked for security tab, doesn't exist

2. installed gdm2setup - still not there

3. looked for gdm.conf - not there

4. when doing ps -ef|grep X - there is a -nolisten tcp "could this be culprit" hmm not sure

5. modified /etc/ssh/ssh_config to Forward X

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Ubuntu :: Lucid - Cannot Display Xclock On Remote Machine

Jul 23, 2010

I'm having trouble displaying Xwindows programs on a remote machine. If I run "ssh -X newmachine" and I login and then run a program like xclock, I get the error message:
Error: Can't open display: localhost:10.0

If I run the same command to an anothermachine which is running Ubuntu 8.04 it works fine and xclock displays on my localmachine. If I run the command "echo $DISPLAY" on newmachine, I see:

Also, I have checked and xauth is installed on newmachine. What setting I have to change on Ubuntu 10.04 to allow remote display of Xwindows programs?

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ssh -X user@hostA


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I recently dist-upgraded from Debian 5 to 6 (squeeze). Since then, the xclock I run from my window manager's start script isn't displaying correctly (it displays only a "0"). The thing is, if I run the same command in my start script in my terminal, it works just fine, as it has always done...

I use this rather "old" X applications because I like my programs simple/not buggy/fast, and it's resulting a rather annoying problem (being that apparently nobody else has it...).
All other programs in my start script (gnome-terminal, emacs, xmodmap, etc) are working with no problems whatsoever.

My window manager: sawfish

Command to run xclock in my start script:

xclock -digital -brief -geometry -0+0
Attached picture:
Top: xclock initialized by start script
Bottom: xclock initialized by terminal

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[sudo] password for ts:

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Press ENTER or type command to continue

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I have a eucalyptus instance (vm) running an older version of centos (5.3?). As a vm it has no graphical display. I'd like to run a graphical app there so that it displays back on my local machine.

Used xhost locally and it shows the remote IP (eucalyptus instance) as enabled. On the remote side (eucalyptus instance) I set DISPLAY with:

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