[vox-tech] can't open display with ssh2

[Ken Bloom]

> ---ORIGINAL MESSAGE--- 
> Date: Wed, 5 Feb 2003 10:34:54 -0800 (PST)
> From: Robin Snyder <resnyder@ucdavis.edu>
> To: vox-tech@lists.lugod.org
> Subject: [vox-tech] can't open display with ssh2
> Reply-To: vox-tech@lists.lugod.org
> 
> I'm unable to forward X despite the fact that I used the -X option with
> ssh and ForwardX11 is set to yes in ssh_config on the remote machine (on
> both machines, actually).  I get the error message
> 
> Error: Can't open display:
> 
> which evidently means that ssh2 has failed to perform its usual magic in
> setting up the display.  A wander through google has comforted me with the
> realization that I am not alone in having this problem, although it has
> not given me any answers.  Any idea what's happening?  I saw nothing
> obviously amiss in the output of ssh -v, but will append the output below
> in case others see problems I missed.

Debian installs default to locking down this feature at the SSH Server 
side. edit /etc/ssh/sshd_config on the SSH server and change the line 
saying:
X11Forwarding no
to say:
X11Forwarding yes
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