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At work, I have a MacBook Pro that I use as my primary machine. I also have a RHEL6 box that has a dual-head graphics card. When my KVM is switched to the Mac, the second display that is hooked to the Linux box is not being used.

I know there is software the enable other computers to act as displays over a network without an additional physical display connection. Is there software that supports a Linux workstation being the third display for my Mac?

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I haven't done the research to see if AirDisplay or Screen Recycler work with a linux client. See here for more… – bmike Jan 26 '12 at 19:55
I use AirDisplay for my iPad right now and ScreenRecycler I've heard of before and that worked well. Will research more about Linux support. – Kyle Hayes Jan 26 '12 at 20:58
I went ahead and accepted @mjturner's answer since it actually is a good alternative solution. I'm instead using the linux box as a secondary viewer of things like a browser so it works for my purposes until something better comes along. – Kyle Hayes Feb 1 '12 at 1:55
up vote 2 down vote accepted

I'm not 100% sure if it'll meet your needs, but Synergy works very well as a software KVM and it supports any mix of OS X, Linux and Windows.

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Not exactly related to the question, but it seems like pretty cool software none the less. – AMomchilov Jan 28 '12 at 23:34
Yeah, I've been using Synergy for a while. It is very cool software, but not what I'm looking for here. – Kyle Hayes Jan 29 '12 at 16:52
Hi @KyleHayes, did you find an answer to your question? Does Synergy do what you were trying to? – user1172468 May 28 '13 at 20:27

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