Re: XForwarding problem
- From: Predrag Punosevac <punosevac@xxxxxxxxxxxxxxxx>
- Date: Thu, 28 Feb 2008 11:41:14 -0700
Denny White wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1Ok you do have a permission problem
On Thu, Feb 28, 2008 at 02:46:41AM -0700, Predrag Punosevac sez:
Denny White wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1What happens when you try to do the following?
For the last couple of days I've tried everything I can think of to
make XForwarding work with ssh. As per the FAQ, I have set it like so:
In sshd_config
X11Forwarding yes
In ssh_config
ForwardAgent yes
ForwardX11 yes
I can use it passably well in one direction from a box across the
room to the one I do most of my work on. But, when I try it from
this box to the one across the room, I get the xauth error message
along with all typed characters doubled on the screen. I went ahead
anyway and typed 'display somefile.jpg' just to see what I'd get &
got this:
Xlib: connection to "localhost:10.0" refused by server
Xlib: Invalid MIT-MAGIC-COOKIE-1 key
display: unable to open X server `localhost:10.0'.
I've read the man page on xauth(1) and experimented with its
commands. I've even wiped out the .Xauthority file on both boxes
and restarted X, to no avail. Possibly I should mention too, that
I boot on both boxes to a xdm login. I don't know if that would
have any bearing on the problem or not. Thanks for any help I
can get on this.
Try to do remote login with as follows
ssh -Y username@xxxxxxxxxxxxxx
I get this:
Warning: No xauth data; using fake authentication data for X11
forwarding.
And, everything I type at the prompt is doubled.
you should be now in the shell on the remote host
try to start x client like xdvi or xfig or something like emacs by typing xdvi
If xdvi pops up that means that the client is running on the remote host but it is displayer on the local X server
Okay, if after getting in I try to open something like xzgv, I get:
Xlib: connection to "localhost:10.0" refused by server
Read carefully man pages for sshd_config file . You need to uncomment few lines for X tunneling.
You can also look at the "Secure Architectures with OpenBSD" section about OpenSSH.
I do not think that the problem is with X server though.
Best,
Predrag
Xlib: Invalid MIT-MAGIC-COOKIE-1 key
Gtk-WARNING **: cannot open display: localhost:10.0
Like I said earlier, I read the man page too on xauth & tried
sending
xauth extract - $DISPLAY | rsh otherhost xauth merge -
but it doesn't appear to help. I still get the error messages
and double typed characters.
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