企业官网建设流程全解析

现象：

'ide0-hd0' uses a qcow2 feature which is not supported by this qemu version: QCOW version 3

解决方法：降低版本

qemu-img amend -f qcow2 -o compat=0.10 ubuntu-server-1404.img

升高版本

qemu-img amend -f qcow2 -o compat=1.1 ubuntu-server-1404.img