stock ssh config problems

akonstam at trinity.edu akonstam at trinity.edu
Wed Dec 21 22:01:22 UTC 2005


On Wed, Dec 21, 2005 at 04:23:29PM +0000, Paul Howarth wrote:
> Jack Howarth wrote:
> >    Is anyone else having trouble getting ssh to tunnel X11-forwarding?
> >On MacOS X the following works flawlessly...
> >
> >1) Enable the Remote Login service (ssh) on remote.foo.bar
> >2) On local.foo.bar execute...
> >
> >xhost +remote.foo.bar
> >ssh -X -l username remote.foo.bar
> >
> >3) once logged into remote.foo.bar via ssh execute...
> >
> >setenv DISPLAY local.foo.bar:0.0
> >
> >With those commands I can run xcalc and glgears between two MacOS X
> >10.4 boxes but these commands do not appear to work from a Fedora Core 4
> >or RHEL3 box to either Fedora Core 4 or MacOS X 10.4. Any ideas on what
> >could be going wrong? With linux running xcalc fails with an error of...
> >
> >Error: Can't open display local.foo.bar:0.0
> >
> >Thanks in advance for any advice.
> 
> Why not save yourself a lot of trouble by skipping the "xhost" and 
> "setenv DISPLAY" steps, and actually use ssh's X11-forwarding?
> 
> 1) Enable the Remote Login service (ssh) on remote.foo.bar
> 2) On local.foo.bar execute...
> 
> ssh -X -l username remote.foo.bar
> 
> 3) once logged into remote.foo.bar via ssh execute...
> 
> xcalc
> 
> etc.
> 
> Paul.
Or even better enable x11 forwarding in ssh_conf ans sshd.conf.
-- 

=======================================================================
What the large print giveth, the small print taketh away.
-------------------------------------------
Aaron Konstam
Computer Science
Trinity University
telephone: (210)-999-7484




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