Centos 7 设置固定IP

vi /etc/sysconfig/network-scripts/ifcfg-ens33

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static   //改为 static (如果无法联网 改为 dhcp)
DEFROUTE=yes
IPADDR=192.168.81.100  //新增
NETMASK=255.255.255.0  //新增
GETEWAY=192.168.81.1   //新增
DNS1=8.8.8.8           //新增
DNS2=114.114.114.114   //新增
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=e4719397-3089-453e-a240-bc43a38dc564
DEVICE=ens33
ONBOOT=yes   //改为 yes

systemctl restart network

ip addr