参考链接：ubuntu 20.04 网络配置

网络配置文件目录：/etc/netplan/

• 配置实例

  静态

  network:
  version: 2
  ethernets:
  ens33:
  addresses: [192.168.1.123/24]
  dhcp4: no
  dhcp6: no
  gateway4: 192.168.1.1
  nameservers:
  addresses: [192.168.1.1,114.114.114.114]

  动态

  network:
  version: 2
  ethernets:
  enp0s3:
  addresses: []
  dhcp4: true

• 生效配置

  netplan apply