Jeffrey W. Baker wrote:
On Sat, 2002-04-06 at 17:40, Kent West wrote:
So, for some reason, it seems that my Sid box that I'm ssh'ing into
isn't setting my DISPLAY. Why not?
On the box you are SSHing to, check /etc/ssh/sshd_config for lines like:
X11Forwarding yes
X11DisplayOffset 10
And on the machine you are SSHing from, check /etc/ssh/ssh_config for
ForwardX11 yes
Check ssh(1) and sshd(8). Now, about the stupid mismatch between these
two directives, I guess you should mail [EMAIL PROTECTED]
-jwb
Apologies to everyone; much of the problem was due to an experiment we
were doing at work which required me to temporarily move my office Sid
box to a different ELAN (and thus different IP address). However, having
normally a static IP address in our DNS table, my system was getting
confused about the IP address for westek.acu.edu. Making an entry in
westek's /etc/hosts file for westek solved the second half of the problem.
The first half of the problem is that my DISPLAY environment variable
was not being set when I ssh'd in. This was due to my misunderstanding
of the ssh config files. There's a "forwarding" entry in both
/etc/ssh/ssh_config and /etc/ssh/sshd_config. The default on both is
"no". I (mis)understood that the "ssh -X" option overrode both config
files. But it doesn't; it only overrides the ssh_config.
In other words, forwarding needs to be turned on in two places:
On the "server", in the sshd_config file
and
on the "client", in the ssh_config (not sshd_config) file, or on the
command line with the -X option.
Jeffrey (see top) helped me to figure out the first half, which
eventually got me to the point where I figured out the second half.
Thanks to all!
Kent
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