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I have a dual-boot setup with Ubuntu Linux and Windows 7. Is it possible, in any way, to have a virtual machine to run from the Windows 7 partition, when I'm running Ubuntu on the machine?

The scenario would be: I boot into Ubuntu when I start my computer, and then I can run a virtual machine with my Windows 7 installation.

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Similar question on Ask Ubuntu that was asked three days ago, but not yet answered: Virtual machine using natively installed windows – slhck Apr 14 '12 at 15:06
Thanks for the tip. – Esso Apr 14 '12 at 19:27
Detailed instructions:… – Anderson Green Jul 14 '12 at 17:16
Thank you, I'll try that. – Esso Jul 14 '12 at 18:17
up vote 1 down vote accepted

In vmware workstation you have ability to create VM from a real system. I did that before and now this system is working in the vmware player. However, this is not a partition, but the big file with system. I don't think that this even possible, because virtualized systems can use only their own hardware components (that is virtualized) and when you'll change them in real system (when you launching windows in ubuntu) - you won't be able to login back to the real system. Because registry of the windows system will have modified drivers for hardware devices (that can be used in vm).

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Good point. But in VM, does it create a big file out of your File System, or can you run a VM off a complete, regular HDD? – Esso Apr 14 '12 at 16:36
I don't know. Creation of the file system image at the same file system - maybe not so trivial task. I have created vm file at the different partition. – crea7or Apr 14 '12 at 17:16
Can you clarify what you mean by "the big file with system"? – Anderson Green Jul 14 '12 at 17:12
Also, have you found a comprehensive tutorial online that explains how to do this? – Anderson Green Jul 14 '12 at 17:13
He means the image file that Workstation makes as a virtual HDD. – Esso Jul 14 '12 at 17:32

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