一.   centos网卡配置

1.配置路径为/etc/sysconifg/network-scripts/
DEVICE=eth0

TYPE=Ethernet

ONBOOT=yes 

BOOTPROTO=static

HWADDR=

IPADDR=

GATEWAY=

NETMASK=

2.dns服务设置/etc/resolv.conf
nameserver 114.114.114.114

nameserver 8.8.8.8

二.   ubuntu网卡配置

1.     网卡配置路径/etc/network/interfaces

iface eth0 inet static

address 192.168.0.125

gateway 192.168.0.1

netmask 255.255.255.0

network 192.168.0.0

broadcast 192.168.0.255

2.dns服务设置路径/etc/resolv.conf

nameserver 114.114.114.114

nameserver 8.8.8.8

nameserver 22.5.5.5