1. yum grouplist|grep -i virt 如果是中文版的话,yum groupinstall "虚拟主机"(grouplist查看)

  2. kvm存储在/etc/libvirt/qemu/kvm.xml

    /var/lib/libvirt/images

    qemu-img create -f qcow2 -b kvm.img kvm.ovl