Kvm克隆：
克隆前需要关闭kvm虚拟机
[root@super67 ~]# virt-clone -o ubuntu16 -n ubuntu16-1 -f /var/lib/libvirt/images/ubuntu16-1.img
Cloning unbuntu16.raw | 107 B 00:00
Clone 'ubuntu16-1' created successfully.
查看克隆出来的配置文件：
[root@super67 ~]# ll /etc/libvirt/qemu/
total 20
drwxr-xr-x 2 root root 4096 Sep 4 10:31 autostart
drwx------ 3 root root 4096 Sep 4 13:43 networks
-rw------- 1 root root 2297 Sep 4 13:58 ubuntu16-1.xml
-rw------- 1 root root 2290 Sep 4 13:13 ubuntu16.xml
-rw------- 1 root root 2574 Sep 4 10:32 www.linux1.cn.xml
对比和原来的区别：
[root@super67 ~]# cd !$
cd /etc/libvirt/qemu/
[root@super67 qemu]# diff ubuntu16.xml ubuntu16-1.xml
4c4
< virsh edit ubuntu16
---
> virsh edit ubuntu16-1
9,10c9,10
< <name>ubuntu16</name>
< <uuid>729109f3-6bcc-2f44-b1d3-4f9f6bface83</uuid>
---
> <name>ubuntu16-1</name>
> <uuid>2402c258-0631-1864-a958-f445a95a3f29</uuid>
31c31
< <source file='/var/lib/libvirt/disk/unbuntu16.raw'/>
---
> <source file='/var/lib/libvirt/images/ubuntu16-1.img'/>
48c48
< <mac address='52:54:00:b0:48:17'/>
---
- <mac address='52:54:00:1b:4d:62'/>
如果克隆出现的虚拟机需要连接网络：
需要进入克隆出来的kvm虚拟机的系统中：
删除/etc/udev/…70-net……文件
修改网卡ifcfg-eth0配置
重启kvm虚拟机。