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"Gtk-WARNING cannot open display" from ssh

 
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Old 10-29-2009
"Gtk-WARNING cannot open display" from ssh
I am trying to do something on another computer through ssh and I keep getting this:
Code:
"(gedit:6169): Gtk-WARNING **: cannot open display:"

I have googled the interweb and this forum and found many posts but nothing seems to work. I have freshly installed Ubuntu 8.10 with updates on the machine and I have a KVM connected but, the screen just flashes on and off, mostly off, so it is unusable that way (Nvidia GTX 260, Asus M4A79T Deluxe). I have had it running perfectly under Ubuntu 9.04 without the blinking but am trying to do folding@home gpu2 under wine and was unsuccessful with 9.04 therefore I'm going to try 8.10, as the instructions use, but am doing it from my Mac Pro with ssh and getting that warning.

It does work on another computer (I get past this point) though there are other issues with that one.
Last edited by pludi; 10-29-2009 at 07:22 AM..
 
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LEARN ABOUT REDHAT

ssh-keysign

SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME

     ssh-keysign -- ssh helper program for hostbased authentication

SYNOPSIS

     ssh-keysign

DESCRIPTION

     ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during hostbased authentication with
     SSH protocol version 2.

     ssh-keysign is disabled by default and can only be enabled in the the global client configuration file /etc/ssh/ssh_config by setting
     HostbasedAuthentication to ``yes''.

     ssh-keysign is not intended to be invoked by the user, but from ssh(1).  See ssh(1) and sshd(8) for more information about hostbased authen-
     tication.

FILES

     /etc/ssh/ssh_config
	     Controls whether ssh-keysign is enabled.

     /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key
	     These files contain the private parts of the host keys used to generate the digital signature.  They should be owned by root, read-
	     able only by root, and not accessible to others.  Since they are readable only by root, ssh-keysign must be set-uid root if hostbased
	     authentication is used.

SEE ALSO

     ssh(1), ssh-keygen(1), ssh_config(5), sshd(8)

AUTHORS

     Markus Friedl <markus@openbsd.org>

HISTORY

     ssh-keysign first appeared in OpenBSD 3.2.

BSD
								   May 24, 2002 							       BSD