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CentOS7下，设定网络非常简单，如果你是ServerGUI的安装，基本上和windows一样简单的设定既可。如果是最小化安装也可以通过编辑一和设定/etc/sysconfig/network-scripts下面的文件，然后systemctl restart network既可起效。
设定文件
| 设定项目 | 设定详细 |
|---|---|
| 设定文件 | /etc/sysconfig/network-scripts/ifcfg-eth0 |
ifcfg-eth0有的时候实际的名字可能类似于：ifcfg-eno16777736
设定内容实例
[root@host31 network-scripts]# cat ifcfg-eno16777736TYPE="Ethernet"BOOTPROTO="none"DEFROUTE="yes"IPV4_FAILURE_FATAL="no"IPV6INIT="yes"IPV6_AUTOCONF="yes"IPV6_DEFROUTE="yes"IPV6_FAILURE_FATAL="no"NAME="eth0"UUID="9b7e0728-7c25-46e7-b4e1-387ffeb5a66c"DEVICE="eno16777736"ONBOOT="yes"IPADDR="192.168.32.31"PREFIX="24"GATEWAY="192.169.32.2"DNS1="8.8.4.4"IPV6_PEERDNS="yes"IPV6_PEERROUTES="yes"IPV6_PRIVACY="no"[root@host31 network-scripts]#
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确定network状态
systemctl status network
[root@host31 network-scripts]# systemctl status network● network.service - LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network) Active: active (exited) since Sun 2016-08-07 11:46:54 EDT; 7h ago Docs: man:systemd-sysv-generator(8) Process: 8862 ExecStop=/etc/rc.d/init.d/network stop (code=exited, status=0/SUCCESS) Process: 9025 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)Aug 07 11:46:54 host31 systemd[1]: Starting LSB: Bring up/down networking...Aug 07 11:46:54 host31 network[9025]: Bringing up loopback interface: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'Aug 07 11:46:54 host31 network[9025]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'Aug 07 11:46:54 host31 network[9025]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'Aug 07 11:46:54 host31 network[9025]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'Aug 07 11:46:54 host31 network[9025]: [ OK ]Aug 07 11:46:54 host31 network[9025]: Bringing up interface eno16777736: Connection successfully activated (D-Bus active path: /org/fre...ction/1)Aug 07 11:46:54 host31 network[9025]: [ OK ]Aug 07 11:46:54 host31 systemd[1]: Started LSB: Bring up/down networking.Hint: Some lines were ellipsized, use -l to show in full.[root@host31 network-scripts]#
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重新启动network服务
systemctl restart network
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