[CentOS] qemu-kvm package?

[Dave Johansen]

On Tue, Aug 13, 2013 at 2:16 PM, Les Mikesell <lesmikesell at gmail.com> wrote:
>
> On Mon, Aug 12, 2013 at 10:56 AM, Dave Johansen <davejohansen at gmail.com> wrote:
> >>>
> >> I suggest you use VirtualBox, or some other distro.
> >
> > I'll really like CentOS/RHEL and will definitely stick with it.
>
> Virtualbox isn't 'instead of' CentOS'  it is 'instead of KVM' as a
> virtualization layer.  Not sure how much difference there is in
> capability, other than being available for many more platforms,
> including 32-bit linux.  There should be some overlap in supported
> image formats.  I've moved vmdk's created on vmware to both, but I'm
> not sure what others they each handle.
>
> > The
> > point of my questions wasn't to complain or any like that, but just
> > surprise because it seemed that the no 32 bit support didn't line up
> > with my experience and just trying to make sure I understood
> > everything.
>
> If you have hardware support for virtualization, you should probably
> be running 64-bit Centos with KVM and not much else at the host OS
> level.  If you have applications that need 32-bit, they could run in a
> guest.

The issue is that I have two machines and one has hardware support for
virtualization but doesn't support x64, and the other is flipped. So I
was hoping to be able to it on the 32-bit machine to get the speed up
from hardware support, but I guess I'll just do it on the 64-bit
machine and pay the price of emulation.

The reason I want to use virtualization is not on a big server, but
just as a way to test builds/software on different OS versions for
submission to the EPEL and Fedora. So not everyone in the world is
using virtualization for server type stuff, but I realize that is the
large majority of the use cases.