How to install FreeNX server and client in Ubuntu 9.10 (Karmic)

FreeNX is a system that allows you to access your desktop from another machine over the Internet. You can use this to login graphically to your desktop from a remote location. One example of its use would be to have a FreeNX server set up on your home computer, and graphically logging in to the home computer from your work
computer, using a FreeNX client.

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