[root@hym-11-81:~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=static 网卡手动配置
    DEFROUTE=yes
    NAME=eth0 网卡名
    UUID=12129901-e0f8-4aa5-9e84-87012ef77847
    DEVICE=eth0
    ONBOOT=yes 开机自启
    PREFIX=21 子网掩码
    GATEWAY=192.168.10.1 网关
    IPADDR=192.168.11.81 IP地址
    DNS1=192.168.10.1 DNS1
    DNS2=114.114.114.114 DNS2