KVM

The Linux kernel's built-in hypervisor for hardware-accelerated virtual machines.

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About KVM

KVM turns the Linux kernel itself into a type-1 hypervisor on x86 hardware with Intel VT or AMD-V extensions, giving each guest private virtualized hardware. It supplies the acceleration layer that QEMU, libvirt, virt-manager, Proxmox and most Linux virtualization stacks build on.

Strengths

  • Part of the mainline kernel, so no third-party modules are needed
  • Near-native CPU performance through hardware virtualization extensions

Limitations

  • Provides no user interface of its own; you need QEMU, libvirt or a front end
  • Requires virtualization extensions enabled in firmware

Details

Pricing
FreePart of the Linux kernel, free and open source under the GPL.
License
GPL-2.0
Developer
The Linux kernel community
Platforms
Linux
How it runs
Downloadable app
Best suited for
The Linux kernel's built-in hypervisor for hardware-accelerated virtual machines
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Self-Hosting & Homelab); facts checked against the developer's own pages, 2 sources on file.

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