How To Solve Can not Connect To The Docker Daemon

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How To Solve Can not Connect To The Docker Daemon

這篇介紹How To Solve Can not Connect To The Docker Daemon。

錯誤訊息 & 原因

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Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

執行docker指令時出現以上錯誤訊息，原因是尚未enable docker造成。
請使用以下三句指令做檢查和設定來排除問題。
$ systemctl stats docker -> 檢查
$ systemctl status docker
$ systemctl enable docker -> 設定