Debian配置网络

 cat  /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto enp0s3 # #设置开机自动连接网络
allow-hotplug enp0s3
iface enp0s3 inet static #static表示使用固定IP地址上网，dhcp表示使用动态ip
address 192.168.88.3  #设置静态ip地址
netmask 255.255.255.0 #子网掩码
gateway 192.168.88.1  #网关

auto lo
iface lo inet loopback

#重启网络不成功
service networking restart

my eg debian10

#要先确定你的网络接口为 enp0s3 也可能是其它
# The primary network interface 2020
auto enp0s3
allow-hotplug enp0s3
iface enp0s3 inet static 
address 192.168.88.68 
netmask 255.255.255.0 
gateway 192.168.88.1 

auto lo
iface lo inet loopback



#on lx
auto lo
iface lo inet loopback

# The primary network interface
auto ens192
allow-hotplug ens192
iface ens192 inet static 
address 192.168.10.193 
#address 192.168.11.193 
netmask 255.255.254.0 
gateway 192.168.10.1 
# This is an autoconfigured IPv6 interface
iface ens192 inet6 auto

参考

Debian中如何设置静态IP地址

debian9.x配置网络