通过setup命令，进入到网卡设置里面，添加一个DNS地址或者直接在ifcfg-eth*文件里添加一个DNS地址.
[root@Master network-scripts]# more ifcfg-eth1 DEVICE=eth1 TYPE=Ethernet UUID=28f00552-b041-481c-a32c-658991af1681 ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none HWADDR=08:00:27:aa:9a:8d IPADDR=192.168.0.180 PREFIX=24 GATEWAY=192.168.0.1 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth1" USERCTL=no DNS1=192.168.0.1 [root@Master network-scripts]#