1.进入/etc/sysconfig/network-scripts/
cd /etc/sysconfig/network-scripts/
2.修改ifcfg-ens33配置如下:
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4 FAILURE FATAL=no
IPV6INIT=yes
IPV6 AUTOCONF=yes
IPV6 DEFROUTE=yes
IPV6 PEERDNS=yes
IPV6 PEERROUTES=yes
IPV6 FAILURE FATAL=no
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.100.100 #自己服务器ip地址
NETMASK=255.255.255.0
GATEWAY=192.168.100.2
DNS2=8.8.8.8
3.重启网络服务
systemctl restart network.service
4.重启系统
reboot
5.验证
ip addr (或者ifconfig)