centos7固定ip

1.查看虚拟网络配置

2.修改网卡配置文件

[jiajing@localhost ~]$ su -
Password: 
Last login: Thu Jul  4 19:06:16 PDT 2024 on pts/0
[root@localhost ~]# vim /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="91813ea0-88b3-44a6-be8c-cc1d24fde7d1"
DEVICE="ens33"
ONBOOT="yes"
ZONE=public
IPADDR="192.168.88.130"
NETMASK="255.255.255.0"
GATEWAY="192.168.88.2"
DNS1="192.168.88.2"

3.重启网卡

[root@localhost ~]# systemctl restart network

4.检查完成

[root@localhost ~]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.88.130  netmask 255.255.255.0  broadcast 192.168.88.255
        inet6 fe80::36b7:5eab:c97e:3460  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:b1:00:9b  txqueuelen 1000  (Ethernet)
        RX packets 524  bytes 266280 (260.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 472  bytes 45382 (44.3 KiB)
        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 64  bytes 5568 (5.4 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 64  bytes 5568 (5.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:bd:84:f8  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0