Virtualization For Mac OS X?

Virtualization is a great way to improve reliability, take advantage of hardware and scale. For example Mozilla’s build team uses it to manage all the build instances that used to be on individual machines. These servers essentially compile code all day long. One problem with virtualization and cross platform building is that Mac OS X doesn’t run in any virtualization environment (because of Apple’s interest in selling hardware). This means while you can run Windows and Linux on the same boxes, you still need to have and maintain separate Xserve’s for the purpose of compiling for Mac OS X. Looks like Mac OS X Server 10.5 (and only server edition) now has a license that permits running virtual. While great, this makes it pretty expensive to do things like a build farm. You can’t just buy a Mac OS X client, even though that’s all you really need. You need to buy server.

Currently, there’s nothing other than PearPC that can run it (and PearPC is worthlessly slow). Hopefully VMWare will update at some point to support it. At that point, things can get interesting.

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6 Responses to “Virtualization For Mac OS X?”

  1. Al Billings says:

    The VMWare fellow that commented on my last blog post on virtualization said that the main blocking point with VMWare support for virtualizing OS X was legal, not technological…

  2. Robert says:

    Al Billings: That’s my understanding as well… so if it’s legal now, presumably support will appear in the next release. Hopefully.

  3. You can’t just buy a Mac OS X client, even though that’s all you really need. You need to buy server.

    They should call it Mac OS X Ultimate, then.

  4. hansen says:

    You might wanna have an eye open for VirtualBox.

    VirtualBox is way faster than VMware, when I used it for WinXP on WinXP.

  5. Jeff Walden says:

    I’ve had fairly good results from the Mac VirtualBox beta. I’m running Fedora 7 and Windows XP on it, and it works reasonably well. It’s definitely still beta software — I tried running VirtualBox and Parallels together once and Parallels caused a kernel panic, and the hard disk image was corrupted and I had to delete and reinstall the image — but hey, it’s free, and the source is available if you care about that. It’s not quite as polished as Parallels, but it works fairly well. I have not had an opportunity to test Fusion.

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