Ubuntu Server17.10 开始，弃用 /etc/network/interfaces 配置文件，改成 netplan ⽅式，配置⽂件是：/etc/netplan/01-netcfg.yaml
nano /etc/netplan/01-netcfg.yaml
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
version: 2
renderer: networkd
ethernets:
ens33:
dhcp4: no
addresses: [192.168.21.180/24]
gateway4: 192.168.21.2
nameservers:
addresses: [114.114.114.114]
addresses: [8.8.4.4]
ctrl+o #保存配置
ctrl+x #退出
netplan apply #使配置文件生效
标签：ubuntu1804,network,配置文件,ctrl,静态,IP,netplan,etc,addresses From： https://www.cnblogs.com/colin88/p/17184008.html