设置静态IP

创建配置文件备份文件夹
sudo mkdir /home/backup_config

备份
sudo cp /etc/network/interfaces /home/backup_config/interfaces

修改
sudo vi /etc/network/interfaces


auto eth0
iface eth0 inet dhcp

改为
auto eth0
iface eth0 inet static
address 192.168.1.100
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.1

DNS
nameserver 61.153.177.198

重启网卡
sudo /etc/init.d/networking restart

试一下
ping www.google.com


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