[ubuntu] Remote Desktop Viewer on Home network closing

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http://ubuntuforums.org – I have been running ubuntu for 7-8 years now but I don't claim to be great. I get by fine. Recently I managed to use No-ip (my IP is dynamic) to get remote access to my home computer via remote desktop sharing, some port forwarding, etc. Works great. This prompted me to want to setup my own home server and use something like the WD-TV live box for my TV to stream files on my home network. Here is my problem, remoting into other computers on a home network (all of which are running up to date ubuntu) seems simple enough, but it has been a pain for some reason. I can get it to con (Hardware)