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hadoop103: Warning: Permanently added the ECDSA host key for IP address ‘192.168.6.103‘ to the list
问题: hadoop103: Warning: Permanently added the ECDSA host key for IP address ‘192.168.6.103’ to the list of known hosts. 其实这问题是ssh访问时可能秘钥信息丢失,可以从源头解决问题 在根目录下 ls -al 查看.ssh 目录,删除掉 .ssh 下的所有文件,如果是多个机器,
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