X11 help wanted
peter at sabaini.at
Fri Jun 5 05:57:00 UTC 2009
On Thu, 2009-06-04 at 16:23 -0700, yoji.atsumi at yahoo.com wrote:
> Hi folks,
> I just started using ubuntu 9.0.4. I think I have pretty much all
> I wanted. Except...
> I can't get X11 display to come my ubuntu. For clarisy, I will
> call the machine I am talking about (running ubuntu 9.0.4)
> U. I can issue "xclock" command from U and the clock comes
> to the screen. No problem.
> Now, I ssh to a different host, running redhat, and I will call
> this machine R. Here's what I have done:
> On U,
> I issue "xhost +"
> On R,
> I export DISPLAY variable as xxx.xxx.xxx.xxx:0.0. Then issue
> "xclock" command
> What I get on R is:
> Error: Can't open display: xxx.xxx.xxx.xxx:0.0
> Of course, nothing comes to U's screen.
> Would somebody please advise me as to what cure there is,
> what stupidity I have committed, etc?
Did you use ssh X forwarding? You should!
Something like (on U):
% ssh -X R xclock
will start xclock on R and forward the display to U
With ssh -X you do not need to set a DISPLAY and need not disable X
security with "xhost +"
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