1、修改如下文件

vi /etc/sysconfig/network-scripts/ifcfg-eth0

2、内容如下，具体模仿

[root@hadoopip network-scripts]# more ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="none"
BROADCAST=192.168.1.255
DNS1=192.168.1.1   --DNS 也有11.114.114.114
GATEWAY=192.168.1.1
HWADDR="00:0C:29:5E:0D:F9"    --MAC
IPADDR=192.168.1.239  --地址
NETMASK=255.255.255.0
IPV6INIT="yes"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
UUID="6ce5ce7f-eb27-4b92-ada2-df85d4b8e209"