设置静态ip地址 备份 /etc/network/interfaces 文件,并打开 cp /etc/network/interfaces /etc/network/interfaces.backup sudo nano /etc/network/interfaces 按照下列内容进行编辑 # Wired adapter 0 allow-hotplug eth0 #no-auto-down eth0 iface eth0 inet static address 192.168.0.81 netmask 255.255.255.0 gateway 192.168.0.1 dns-nameser