操作-修改静态ip-centos1.修改配置文件2.加载配置文件并重启网卡3.修改完成

1.修改配置文件

vim /etc/sysconfig/network-scripts/ifcfg-eth0

# NAME和DEVICE要和ifcfg-后面的对应
NAME="eth0"
DEVICE="eth0"
ONBOOT=yes
NETBOOT=yes
UUID="7a2bc89d-ff7a-4f1b-b1ba-ade8c33bac5c"
IPV6INIT=yes
BOOTPROTO=static
IPADDR=10.0.0.3
NETMASK=255.255.255.0
GATEWAY=10.0.0.2
TYPE=Ethernet
DNS1=114.114.114.114
DNS2=223.5.5.5

2.加载配置文件并重启网卡

nmcli connection reload
nmcli connection up eth0

3.修改完成

[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:a7:0c:25 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.3/24 brd 10.0.0.255 scope global noprefixroute eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fea7:c25/64 scope link noprefixroute
       valid_lft forever preferred_lft forever