Remote execution of a program

[Jay Daniels]

On Sat, 2009-09-12 at 08:57 +0200, Nils Kassube wrote:
> Keith Clark wrote:
> > How can I log into another computer via ssh, start a gui application,
> > then log out and leave it running on the remote computer.  Is this
> > even possible?
> 
> If you want to start a GUI application on the remote machine, the first 
> thing you need is a running X server to display the GUI and you must be 
> the owner of the display. Then you could simply start your application 
> at startup of the X session and you don't need to start it remotely.
> 
> However you may need to start it remotely anyway, if the program died 
> for some reason. That can be done with a command like this:
> 
> nohup sh -c 'DISPLAY=:0.0 xeyes' <&- >&- 2>&- &
> 
> The "DISPLAY=:0.0" part tells the program to start on the remote machine 
> instead of your local machine. The redirections <&- >&- 2>&- are not 
> really necessary but if you use them you can logout without a problem. 
> Otherwise ssh will probably wait until these files are closed by the 
> application.
> 
> 
> Nils
> 

I think this is his answer to the problem.  You definitely have to
specify which DISPLAY


jay