vi /etc/sysconfig/network-scripts/ifcfg-eth0(没有就创建)

BOOTPROTO=dhcp
HWADDR=00:0C:29:BE:AA:67
IPADDR=192.168.2.246
NETMASK=255.255.255.0
ONBOOT=yes

vi /etc/sysconfig/network(没有就创建)

NETWORKING=yes
HOSTNAME=
GATEWAY=192.168.2.1

重启

https://blog.csdn.net/weixin_42931631/article/details/100129121