On Fri, Aug 26, 2016 at 11:34 AM, Lennart Sorensen via talk <[email protected] > 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. > > I second the vote for qemu-kvm. It seems to be the swiss army knife. The only thing I've wanted to do with it that I haven't been able to is to boot 1994 Yggdrasil Linux. I liked the libvirt environment I tried out a year or so ago, but abandoned it because it seemed to use about the same amount of memory that my ~4G VM did. I can't imagine why it is so enormous. Cheers, Mike
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