debian7/8网络配置

开机，ip a 看一下系统默认使用那个网卡

1.编辑网络配置文件

vi /etc/network/interfaces

添加：

auto eth0

iface eth0 inet static

address 101.251.210.76

netmask 255.255.255.248 (29)

gateway 101.251.210.73

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2.设置dns

echo "nameserver 114.114.114.114" >>/etc/resolv.conf

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3.重启网卡

ifdown eth0

ifup eth0

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4.重启网络

/etc/init.d/networking restart

service networking restart