How To Linux

NoMachine developed NX technology to handle remote X window sessions and to make a remote graphical display usable over lower connection speeds.

Google released a open source NX server called Neatx, looks pretty interesting, see it at – http://code.google.com/p/neatx/

I found this article pretty useful, it describes how to use free and opensource tools with Logmein to offer remote administration tools.

Check it out at - http://www.dailycupoftech.com/2009/01/27/expanding-your-logmein-frees-abilities/