CentOS7下配置静态IP

1、查看本地网卡信息，这里要修改的网卡为“ens33”

[root@centos7 ~]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.105  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::d807:d663:27c1:fc7f  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:52:be:50  txqueuelen 1000  (Ethernet)
        RX packets 54283  bytes 69441535 (66.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 20062  bytes 4846279 (4.6 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 2088  bytes 389350 (380.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2088  bytes 389350 (380.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

2、修改配置文件

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

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
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="ens33"
UUID="de9049fc-cc73-4dfe-b234-528410ce51a6"
DEVICE="ens33"
ONBOOT="yes"
ZONE=public
IPADDR0=192.168.1.105
PREFIXO0=24
GATEWAY0=192.168.1.1
DNS1=192.168.1.1

主要修改以下几个参数：

将BOOTPROTO="dhcp"修改为BOOTPROTO="static"

新增如下内容，根据需要进行修改

IPADDR0=192.168.0.201 #IP地址
PREFIXO0=24 #子网掩码
GATEWAY0=192.168.0.1 #网关
DNS1=192.168.0.1 #DNS

3、重启网络服务

[root@centos7 ~]# service network restart
Restarting network (via systemctl):                        [  OK  ]

4、使用新设置的IP地址，SSH登录服务器；

CentOS7下配置静态IP

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