Ubuntu18.4設置永久DNS

1. 打開 /etc/systemd/resolved.conf，設置變量DNS: $ sudo gedit  /etc/systemd/resolved.conf 2. 單擊"save" 按鈕，保存設置 3. 輸入一下命令，使設置生效 $ systemctl restart systemd-resolved //重啓systemd-resolved服務 $ systemctl enable sy

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