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What are the (best) solutions for remote desktop in linux? Ideally I'd like to be able to be able to log in to a remote X (KDE) session without even logging into my local machine. Maybe if I could have a remote X session forwarded to a different virtual terminal session so I can switch back and forth between local and remote with Ctrl + alt + n?

This is going to be over the internet via a VPN, so data-light solutions would be best =]

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I too would like to know. This would be quite useful. –  Blender Dec 14 '10 at 23:09
    
X2go. It is safe enough to simply have a local system service that fires up an Xserver with X2go as it's only running program. If the local client is a stupid terminal without a hard drive and especially without critical data there is nothing wrong with such an approach –  Bananguin Aug 25 '12 at 21:02

2 Answers 2

I haven't tried it myself, but I think you might be looking for xpra. You will have to log in to an X Server locally to use it, but you should be able to set it up so your local X Server has a seperate workspace which connects to and mirrors an xpra workspace hosted remotely.

http://jkwarren.info/blogs/index.php/2009/09/09/favorite-new-toy-xpra

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That's pretty cool, but it looks like it does its attaching over plain ssh. There's no way that will be fast enough not on the LAN –  Falmarri Dec 15 '10 at 4:34

I believe that simple X forwarding will be too slow for what you want to do, so you'll have to choose between other protocols like VNC (thereis plenty of implementations), RDP (rdesktop) or NX. I would recommend NX as it is based on X, is very fast and even provides sound and file transfer. FreeNX is easy to setup and as it is based on X (just compressed and sshed during transfer) you should be able to integrate it like you want to your locale machine.

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+1 for nx technology. Although I stopped using it because of some odd issues, it was generally great. –  Josh Dec 16 '10 at 14:21

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