bash

sudo cp /etc/network/interfaces /etc/network/interfaces.bak

sudo nano /etc/network/interfaces

auto eth0 iface eth0 inet static address 192.168.1.100 # 静态IP地址 netmask 255.255.255.0 # 子网掩码 gateway 192.168.1.1 # 默认网关 dns-nameservers 8.8.8.8 8.8.4.4 # DNS服务器地址

sudo systemctl restart networking

sudo service networking restart

sudo /etc/init.d/networking restart

ifconfig