KVM vs XEN vs VMware

[Tomoki Taniguchi]

OK I started to follow the instructions on
https://help.ubuntu.com/community/KVM

I ran
"sudo modprobe kvm-intel"
and I got the following response

FATAL: Error inserting kvm_intel
(/lib/modules/2.6.20-15-generic/kernel/drivers/kvm/kvm-intel.ko):
Operation not supported


On 5/4/07, Henning Sprang <henning_sprang at gmx.de> wrote:
> > > vmx is listed under the flags  does this means my cpu supports VT?
> > >
> >
> > Yes!
> >
> > This means you are able to run unmodified operating system as guests.
> > You may use KVM or Xen.
>
> Not always. Some mainboards don't work well with Xen HVM, and probably
> also with KVM, even if you have the correct CPU.
>
> But he can try the xenoppix live cd to see if hvm domains can be
> started on your hardware before fiddling with installing and running
> Xen.
>
> For KVM, you can try it from the grml live cd.
>
> Henning
>
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Tomoki Taniguchi
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