1.配置网络

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

修改

DEVICE=eth0
TYPE=Ethernet
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none
IPADDR=192.168.1.238
PREFIX=16
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
GATEWAY=192.168.1.1

重启网卡

/etc/init.d/network restart

2、修改DNS

修改对应网卡的DNS的配置文件
vi /etc/resolv.conf
修改以下内容

nameserver 8.8.8.8
nameserver 114.114.114.114

3.设置虚拟ip

sudo ifconfig eth0:0 192.168.11.236 up
ifconfig eth0:1 192.168.1.237 netmask 255.255.0.0 up