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Can't I forward a program window from my laptop to my desktop securely, both running Linux?

How to ssh -X an existing window program just like the 'screen' program does?

This question came up with my friends when watching an episode of 24! "Almeida send me your screen"

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I didn't see the episode, but might just a picture of the screen been forwarded? i.e. ssh -X you@desktop xwd -root >~/screen.xwd? – DaveParillo Jul 30 '10 at 22:41
@DaveParillo: hehe, nice hack. nevertheless a "not so effective" screenshoter (thats why rdp + vnc where developed). – akira Jul 31 '10 at 5:43
Nice hack I agree! – djondal Aug 1 '10 at 2:36
up vote 3 down vote accepted

you can use XVnc and then use any vnc-client to "watch what can be watched on the xvnc server".

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I think vnc is the way to go. If you wanted to login & run the program yourself, it would be easy to ssh -X & run your program. Not sure there is a secure way to connect to a program that is already running and redirect it's display to you. I would recommend tightVNC over xvnc, however: – DaveParillo Jul 30 '10 at 22:39
secure: tunnel vnc through ssh. tightvnc is windows only, iirc. – akira Jul 31 '10 at 5:45
Why this functionnality is not developed yet? Technically difficult to implement ? Or the need for that is not there? I reward you with the reponse accepted because it seems that there is no alternative besides vnc. – djondal Aug 1 '10 at 2:41

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