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參考Day 4 - Hadoop Ecosystem 之 Hadoop 安裝篇 os:unbuntu18.04,安裝hadoop-3.1.1 後./start-dfs.sh 失敗

/opt/hadoop/sbin$ ./start-dfs.sh
Starting namenodes on [alex-VirtualBox]
alex-VirtualBox: Load key "/home/alex/.ssh/id_rsa": Permission denied
alex-VirtualBox: alex@alex-virtualbox: Permission denied (publickey,password).
Starting datanodes
localhost: Load key "/home/alex/.ssh/id_rsa": Permission denied
localhost: alex@localhost: Permission denied (publickey,password).
Starting secondary namenodes [alex-VirtualBox]
alex-VirtualBox: Load key "/home/alex/.ssh/id_rsa": Permission denied
alex-VirtualBox: alex@alex-virtualbox: Permission denied (publickey,password).
請各位板主或各位大大 提示錯誤解決方向! 謝謝!

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