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I can't seem to figure out how to do it. Seems like only one of the keyboards/mice is able to travel across both screens, while the other one is confined to its own machine.

Any way to make it truly bidirectional?

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You could try running both the client and the server on both machines and set them up to use different ports. I've never tested it but it might just work.

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Now I'm all curious if this would work, but I don't have a second mouse laying around to try it... – David Oneill Feb 24 '12 at 22:29

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