ssh X while host is using X server .. possible ?

[daemonfowl]

Hi !!

Is it possible to ssh with -X support to a host using X at the same time ?

[adamk]

Yes.

[daemonfowl]

Thanks for answering back .. sorry for being dumb -as usual- .. I want to use X on both at the same time .. Here is the script output :

Script started on Wed Jul 25 11:13:33 2012
musashi@kankudai-Wed Jul 25-11:13:33@  ssh -X -l musashi 192.168.1.3
The authenticity of host '192.168.1.3 (192.168.1.3)' can't be established.
ECDSA key fingerprint is 00:af:90:2f:47:8f:85:59:04:ec:b2:80:ed:cb:f9:ce.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.1.3' (ECDSA) to the list of known hosts.
musashi@192.168.1.3's password:
Last login: Wed Jul 25 11:13:02 2012 from 192.168.1.4
OpenBSD 5.1 (GENERIC.MP) #188: Sun Feb 12 09:55:11 MST 2012

Welcome to OpenBSD: The proactively secure Unix-like operating system.
 _		 _		_	_
| | ____ _ _ __ | | ___	  _  __| | __ _(_)
| |/ / _` | '_ \| |/ / | | |/ _` |/ _` | |
|   < (_| | | | |   <| |_| | (_| | (_| | |
|_|\_\__,_|_| |_|_|\_\\__,_|\__,_|\__,_|_|

/etc/X11/xinit/xinitrcul 25-11:15:11@  xinit /etc/X11/xinit/xi			   <


Fatal server error:
Server is already active for display 0
	If this server is no longer running, remove /tmp/.X0-lock
	and start again.


Please consult the The X.Org Foundation support
	 at http://wiki.x.org
 for help.

^Cxinit: unexpected signal 2
XIO:  fatal IO error 35 (Resource temporarily unavailable) on X server ":0"
      after 7 requests (7 known processed) with 0 events remaining.
musashi@kankudai-Wed Jul 25-11:15:16@  exit
Connection to 192.168.1.3 closed.
musashi@kankudai-Wed Jul 25-11:15:30@  fv
/bin/ksh: fv: not found
musashi@kankudai-Wed Jul 25-11:15:45@  exit

Script done on Wed Jul 25 11:15:49 2012

[jggimi]

1. X11 Forwarding must be enabled in the server's sshd_config(5) file. See the man page regarding the default, which is "no".

2. After X11 Forwarding is enabled, when you use ssh -X or -Y, the DISPLAY environment variable will be set for you. Do not set the value yourself.

$ ssh jggimi
Last login: Tue Jul 24 23:00:04 2012 from netbook.jggimi.homeip.net
OpenBSD 5.2 (GENERIC) #61: Sat Jul 21 18:09:55 EDT 2012

$ echo $DISPLAY
DISPLAY: Undefined variable.
$ exit
.
.
.
$ ssh -X jggimi
Last login: Tue Jul 24 23:04:22 2012 from netbook.jggimi.homeip.net
OpenBSD 5.2 (GENERIC) #61: Sat Jul 21 18:09:55 EDT 2012


$ echo $DISPLAY
localhost:10.0