[clug] Why virtual x86 machines?

Andrew Donnellan andrew at donnellan.id.au
Fri Aug 21 01:11:11 UTC 2020

On Fri, 21 Aug 2020, 11:07 Hugh Fisher via linux, <linux at lists.samba.org>

> On Thu, Aug 20, 2020 at 10:49 PM Peter Saville <savillep at protonmail.com>
> wrote:
> >
> > nice post, enjoyed it.  the thought of un-boxing, wiring, networking and
> troubleshooting $14,000 worth a rPi's. that's a hard no from me...
> >
> > Not exactly sure about the CMS question, and correct me if I'm wrong,
> but KVM is built into the linux kernel so it might look like a type 2
> hypervisor, but is a native hypervisor that talks directly to hardware.
> Hmmm, my understanding is that a hypervisor can run multiple kernels
> at once, eg MS Windows and Linux. Can KVM do this? I thought KVM
> provided isolation between processes but they were still sharing the
> same Linux kernel?

You're thinking containers (Docker, LXC, etc).

KVM is a proper hypervisor.


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