Am 16. Oct, 2012 schwätzte Dazed_75 so:

I used to regularly do ssh -X user@machine or ssh -Y user@machine so I
could run a graphical program on the remote machine and have the display on
the machine I was sitting at.  In fact, I used to do this at installfests
from my laptop (lapdog2) to the headless PXE server (fogtest) right next to
me.  That stopped working months ago and I have not been able to figure out
why or how to fix it.  Here is a sample of what I get:

larry@hammerhead:~$ ssh -Y fogtest

Linux fogtest 2.6.32-41-generic-pae #91-Ubuntu SMP Wed Jun 13 12:00:09 UTC
2012 i686 GNU/Linux
Ubuntu 10.04.4 LTS

<snip>

echo $DISPLAY

Do you get something like localhost:10.0?

ciao,

der.hans

Last login: Mon Oct 15 16:37:44 2012 from sunfish.thiel.org

larry@fogtest:~$ gedit
GConf Error: Failed to contact configuration server; some possible causes
are that you need to enable TCP/IP networking for ORBit, or you have stale
NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for
information. (Details -  1: Failed to get connection to session: Failed to
connect to socket /tmp/dbus-sjFuIo1Vhr: Connection refused)
^C
larry@fogtest:~$

As you can see, the ssh connection is fine but using a graphical program
like gedit does not. So I was making another attempt today (different
target) and it worked:

larry@hammerhead:~$ ssh -Y sunfish

Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-31-generic x86_64)

 * Documentation:  https://help.ubuntu.com/

22 packages can be updated.
12 updates are security updates.

Last login: Tue Aug 28 21:27:53 2012 from hammerhead.thiel.org
larry@sunfish:~$ gedit
larry@sunfish:~$

Anyone know where to look or how to fix fogtest?

--

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#  "Human kind cannot bear very much reality."
#    -- T.S. Eliot, "Four Quartets: Burnt Norton"
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