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To: WarrenHead <warrenhead@gmail.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: Thu, 26 Apr 2007 16:02:51 -0400
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Cc: freebsd-questions@freebsd.org
Subject: Re: remote x forwarding through ssh
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WarrenHead <warrenhead@gmail.com> writes:

> Hi list,
>
> I'm trying to use ssh to forward X from a local FreeBSD server to my
> ubuntu machine.
> I'm unable to get X forwarded. (ssh is working)
>
> I set these options:
> ubuntu:
> /etc/ssh/ssh_config
> Host *
> ForwardX11 yes
> ForwardAgent yes
>
> FreeBSD
> /etc/ssh/sshd_config
> X11Forwarding yes
> X11DisplayOffset 10
> X11UseLocalhost yes
> UseLogin no
>
> I didn't set the $DISPLAY variable, on purpose.
>
> After I log into the server and start xterm (for instance) I get this
> message: DISPLAY is not set.
> SSH should do that for me but I guess it doesn't.
> I don't know why.
>
> I logged into FreeBSD with these commands:
> ssh -v freebsd
> ssh -v -X freebsd
> ssh -v -X -A freebsd

Did the (verbose) output from those commands mention X11?

> What could be the cause? Client or server?

My guess would be server, although Ubuntu could always be doing
something weird.