linux中如何修改ip地址

[root@lnode1 ~]# cd /etc/sysconfig/network-scripts/
TYPE=Ethernet
PROXY_METHOD=none    //修改
BROWSER_ONLY=no
BOOTPROTO=none
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=eth0
UUID=4f5f8b5d-4b51-4e1c-98c7-40f0eb90f241
DEVICE=eth0    
ONBOOT=yes   // 修改
IPADDR=192.168.4.12    //修改
PREFIX=24    //修改

[root@lnode1 ~]# nmcli connection add  con-name eth1 ifname eth1 type ethernet //先添加网卡

[root@lnode1 ~]# systemctl restart  NetworkManager