= Testing nested virtualization [[testing-nested-virtualization]] . Start the virtual machine. . On the virtual machine, run `sudo dnf group install virtualization`. . Verify that the virtual machine has virtualization correctly set up: ---- $ sudo virt-host-validate QEMU: Checking for hardware virtualization : PASS QEMU: Checking for device /dev/kvm : PASS QEMU: Checking for device /dev/vhost-net : PASS QEMU: Checking for device /dev/net/tun : PASS LXC: Checking for Linux >= 2.6.26 : PASS ----