[GTALUG] Setting up a VM host
Alvin Starr
alvin at netvel.net
Fri Aug 26 14:42:18 EDT 2016
Virtual-manager that's part of the libvirt package is functional enough
for most use.
I use Virtual-manager backed by xen to run between 5 and 10 VMs on a
couple of machines.
If you have the hots to setup a complete server you could download
xenserver.
You could put RDO on a system and install OpenStack.
Openstack has a nice GUI and management environment but is a bit
heavyweight to just put up a few VM's
On 08/26/2016 01:55 PM, David Thornton via talk wrote:
> I've used proxmox . It got me up and running with a gui quick.
>
> But I've also use virtual box ( oracle : yuck ) and that also got me
> up and running quick.
>
> "professionally" I sit in front of a lot of vmware, but that's closed
> / for pay / proprietary / expensive. ( but feature rich )
>
> (I've not used libvrt / rhev / kvm so my perspective is limited)
>
Proxmox is KVM based.
> David
>
>
> On Fri, Aug 26, 2016 at 11:34 AM, Lennart Sorensen via talk
> <talk at gtalug.org <mailto:talk at gtalug.org>> wrote:
>
> On Fri, Aug 26, 2016 at 10:37:37AM -0400, Giles Orr via talk wrote:
> > If I wanted to set up a host for a bunch of headless VMs, what's the
> > OS/Hypervisor to run these days? I'm doing this out of
> curiosity and
> > for testing purposes. I don't exactly have appropriate hardware
> - an
> > i5 with 16GB of memory - but it should be sufficient to run 5-10 VMs
> > for my very limited purposes (private network, none of the VMs
> will be
> > public-facing). QEMU/KVM looks like the best choice for a FOSS
> > advocate? Other recommendations? I could particularly use a good
> > HOWTO or tutorial if anyone knows of one. Thanks.
>
> I certainly like kvm. Works well. Finding examples for how to
> start if
> isn't hard. I am personally NOT a fan of libvirt and the associated
> crap it provides and much prefers just making a shell script to pass
> the right arguments to qemu myself.
>
> As long as you have VT support (Most if not all i5s do, as long as it
> is on in the BIOS/UEFI), I would think that should be fine. 16GB would
> certainly allow you 10 1GB or 5 2GB VMs without any issue. Creative
> people would try and use KMS (kernel memory sharing I think it is),
> to merge identical pages between VMs to save some resources. It's a
> neat feature.
>
> Depending on what you intend to do with them and put in them, some
> people
> might use containers instead (like lxc and such). It has its own
> limitations but uses less resources. If you are looking to run
> different
> OSs though, then containers are not what you want.
>
> --
> Len Sorensen
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--
Alvin Starr || voice: (905)513-7688
Netvel Inc. || Cell: (416)806-0133
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