查看IP信息安装CentOS后，通过ipaddr命令查看ip信息[root@localhostyum.repos.d]#ipaddr1:lo:mtu65536qdiscnoqueuestateUNKNOWNgroupdefaultqlen1000link/环回00:00:00:00:00:00brd00:00:00:00:00:00inet127.0.0.1/8范围主机lovalid_lft永远preferred_lft永远inet6::1/128范围主机valid_lft永远preferred_lftforever2：enp0s3:mtu1500qdiscpfifo_faststateUPgroupdefaultqlen1000link/ether08:00:27:39:fe:2bbrdff:ff:ff:ff:ff:ff查看网卡配置进入网卡配置文件目录cd/etc/sysconfig/network-scripts/查看目录文件，如下ifcfg-enp0s3ifdownifdown-ippp...可以看出网卡配置文件为ifcfg-enp0s3，andsomecomputersmaybeeth0orother配置动态IP编辑网卡配置文件vi/etc/sysconfig/network-scripts/ifcfg-enp0s3文件内容如下YPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=dhcpDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noIPV6_ADDR_GEN_MODE=stable-privacyNAME=enp0s3UUID=e7666215-13db-4cc2-bbea-6fd152c7b4a8DEVICE=enp0s3ONBOOT=no把ONBOOT=no改成ONBOOT=yes...ONBOOT=yesrestartnetworkserviceservicenetworkrestartor/etc/init.d/networkrestartnetworkservicerestartsuccessfulRestartingnetwork(viasystemctl):[OK]查看ip信息可以看到ip是192.168.2.107...inet192.168.2.107/24brd192.168.2.255scopeglobalnoprefixroutedynamicenp0s3...configurestaticip以上配置为Dynamicip，当系统重启时，ip可能会发生变化，所以需要将ip配置为static。修改配置文件，将BOOTPROTO=dhcp改为BOOTPROTO=static...BOOTPROTO=static...添加静态ip信息IPADDR=192.168.2.110//staticipGETWAY=192.168.2.1//网关地址NETMASK=255.255.255.0//subNetmaskDNS1=192.168.2.1//DNS地址restartnetworkserviceservicenetworkrestart
