參考網址:https://roychou121.github.io/2021/02/03/ubuntu-network/
	 
	固定 IP 設定範例
	 
network:
  version: 2
  renderer: networkd
  ethernets:
    enp13s0:
      addresses: [ 192.168.0.200/24 ]
      gateway4: 192.168.0.254
      nameservers:
          addresses:
              - "8.8.8.8"
              - "1.1.1.1"
	DHCP IP 設定範例
	 
network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s31f6:
      dhcp4: true
啟用網路設定
shell
| sudo netplan apply | 
	如果擔心設定有問題或失敗,可以使用 try指令,在執行 120 秒後復原原本設定。
shell
| sudo netplan try | 
