关于KVM
https://baijiahao.baidu.com/s?id=1612142653122584145&wfr=spider&for=pc
https://blog.51cto.com/13520761/2106973
https://blog.51cto.com/11555417/2149718
KVM
原文：https://www.cnblogs.com/jidong0515/p/10419128.html
