Re: Debian not running in Windoof 7 Virtual PC (in VirtualBox)
On 23/09/10 06:14, Stephen Powell wrote:
> On Wed, 22 Sep 2010 15:29:59 -0400 (EDT), Mark Allums wrote:
>>
>> I am probably way late on this one, but that maneuver is a nonstarter.
>> Nested Virtualization is very difficult and kind of pointless. A few
>> security researchers[0] have done it, mostly as a stunt to prove a
>> technical point, but it is very unstable. You *can* run DOSbox in a VM,
>> but generally the question is, why would you?
>
> That may be true for some virtualization software, but not for all.
> My "day job" is as a system programmer for IBM mainframe systems,
> and among my duties is responsibility for a z/VM system. In z/VM,
> nested virtualization is not difficult, pointless, or unstable. I routinely
> install a new release of z/VM in a virtual machine running under
> the production release of z/VM, for example. There's even instructions
> in IBM's installation manuals for how to do this.
>
> z/VM is probably the most robust virtualization platform available
> anywhere, having been developed, tweaked, and honed by IBM since 1967.
> But it has two distict disadvantages: (1) it is proprietary, for-charge
> software and (2) it only runs on IBM mainframes.
>
I suspect you're quoting Joanna and crediting Mark there...
Agreed, and virtualbox under xen is common. A quick browse through fnord
Ubuntu forums shows how trivial nested desktop virtualization is.
Cheers
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