centOS7 ip 配置

https://www.cnblogs.com/panblack/p/Centos7-WhatsNew-02-networking.html

http://blog.csdn.net/johnnycode/article/details/40624403

https://jingyan.baidu.com/article/359911f57ca21357fe0306d8.html

http://simonhu.blog.51cto.com/196416/1588971

http://blog.csdn.net/lixianlin/article/details/7293691