Kernel-based Virtual Machine (KVM) is virtualization technology for Linux.
Oracle VirtualBox alternative.
KVM allows Linux to function as a hypervisor that runs isolated virtual machines.
Hypervisor: https://wikipedia.org/wiki/Hypervisor
SELinux establishes security boundaries around virtual machines.
Use any storage supported by Linux.
Manage virtual machines via the Virtual Machine Manager desktop interface.
Website: https://linux-kvm.org