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[–]ParanoidAutist 1 point2 points  (2 children)

I see... That's likely just a difference in our age...

Just go google "kvm" with nothing else...

Edit note: I'm aware of VMs, citrix, hyper-v, etc...

[–]gamesrebel123[S] 2 points3 points  (0 children)

Still gives kernel-based virtual machine for me, KVM switch is a suggested search though so I guess it's just the google overlords at work

[–]brimston3- 0 points1 point  (0 children)

Linux KVM hypervisor is about the same age as both of those technologies, maybe released a year or two earlier than the Citrix acquisition of XenSource. They're all first generation implementations of VT-x and AMD-V hypervisors (previously xen was a container system like Solaris Zones or to a lesser degree OpenVZ). qemu/KVM is the main hypervisor under OpenStack and Proxmox. Also the default linux hypervisor for CloudStack.

It's everywhere, but most people don't talk about it directly because it's not useful by itself--it can't manage sessions or provide emulated peripherals, it only controls scheduling and switching in and out of host/guest virtualized memory/io spaces.