配置IP，MAC和DNS要修改的文件

#vim /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0

BOOTPROTO=static

HWADDR=00:1F:E2:16:40:52

IPADDR=10.10.19.165

NETMASK=255.255.254.0

GATEWAY=10.10.18.254

ONBOOT=yes

TYPE=Ethernet

#vim /etc/rc.d/rc.local

//添加以下三行：

ifconfig eth0 down

ifconfig eth0 hw ether 00:1F:E2:16:40:52

ifconfig eth0 up

#vim /etc/resolv.conf

//添加DNS:

nameserver 10.4.1.30

nameserver 10.4.1.31