设置centos7静态网卡配置文件
vi /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
IPADDR=192.168.191.10
NETMASK=255.255.255.0
GATEWAY=192.168.191.2
DNS1=8.8.8.8
DNS2=114.114.114.114
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=c8bbd3f8-f1ac-4f11-8f2d-69604f55a80a
DEVICE=ens33
ONBOOT=yes
service network restart
原文：https://www.cnblogs.com/sxgaofeng/p/12157497.html