

[root@localhost/]# hostnamectlStatic hostname: localhost.localdomainIcon name: computer-vmChassis: vmMachine ID: 0f5b1b46ec0e4408a5a0094c3ed82c95Boot ID: 9f1db66028734a18ab92c63f8ade3551Virtualization: vmwareOperating System: CentOS Linux 7 (Core)CPE OS Name: cpe:/o:centos:centos:7Kernel: Linux 3.10.0-1160.119.1.el7.x86_64Architecture: x86-64
ip addr show[root@localhost /]# vim /etc/sysconfig/network-scripts/ifcfg-ens33TYPE="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="ens33"UUID="61f9f213-aa78-4b4c-a988-2fe7ea2a69a0"DEVICE="ens33"ONBOOT="yes"IPADDR="192.168.100.111"PREFIX="24"GATEWAY="192.168.100.1"DNS1="114.114.114.114"DNS2="8.8.8.8"IPV6_PRIVACY="no"
二、添加第二个 IP 地址:192.168.100.121
2.1、复制原始配置文件以创建第二个IP的配置文件
cp /etc/sysconfig/network-scripts/ifcfg-ens33 /etc/sysconfig/network-scripts/ifcfg-ens33:12.2、编辑拷贝的新文件
vi /etc/sysconfig/network-scripts/ifcfg-ens33:12.3、修改DEVICE的名称,删除网关,走同一个网关就可以了
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="ens33"UUID="61f9f213-aa78-4b4c-a988-2fe7ea2a69a0"DEVICE="ens33:1"ONBOOT="yes"IPADDR="192.168.100.121"PREFIX="24"IPV6_PRIVACY="no"
2.4、重启网络服务以使更改生效:
systemctl restart network