Kernel-based Virtual Machine(kvm)

Preinstall:

1: sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils virt-viewer virt-manager bridge-utils qemu-system

2: choose start
service libvirt-bin start
servcie libvirt-bin stop

3:
useradd -g libvirtd haha

4:
sudo chmod 777 -R /var/run/libvirt