After linux modify the DNS, restart
[root@test logs]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 TYPE=Ethernet UUID=25f9c322-4990-4b46-bb4c-00f15fc82502 ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none HWADDR=00:50:56:94:5F:3F IPADDR=172.16.10.28 PREFIX=24 GATEWAY=172.16.10.1 DNS1=114.114.114.114 DEFROUTE = yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0" -- restart the network card service network restart