查看网卡名称

[root@localhost network-scripts]# ip addr
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: ens32: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:55:b5:ca brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.237/24 brd 192.168.31.255 scope global noprefixroute ens32
       valid_lft forever preferred_lft forever
    inet6 2409:8a4c:1419:2b81::25e/128 scope global noprefixroute dynamic 
       valid_lft 3675sec preferred_lft 3675sec
    inet6 2409:8a4c:1419:2b81:454a:b0dc:2a02:f0e5/64 scope global noprefixroute dynamic 
       valid_lft 208020sec preferred_lft 121620sec
    inet6 fe80::28a3:92e3:43ea:7727/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

我这里是ens32
配置文件地址
/etc/sysconfig/network-scripts下的ifcfg-ens32
以下是静态ip的配置文件内容，供参考！主要是dhcp改成static、设置ip、网关、掩码、DNS、onboot开机自启yes

TYPE="Ethernet"
PROXY_METHOD="none"
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="ens32"
UUID="b35176a7-eb51-4f7f-95d8-41729a8441bf"
DEVICE="ens32"
ONBOOT="yes"
IPADDR="192.168.31.237"
PREFIX="24"
GATEWAY="192.168.31.236"
DNS1="192.168.31.236"
IPV6_PRIVACY="no"

配置完成后重启网卡

service network restart