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  • hadoop ssh 问题WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

    0.0.0.0: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    0.0.0.0: @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
    0.0.0.0: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    0.0.0.0: IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
    0.0.0.0: Someone could be eavesdropping on you right now (man-in-the-middle attack)!
    0.0.0.0: It is also possible that a host key has just been changed.
    0.0.0.0: The fingerprint for the ECDSA key sent by the remote host is
    0.0.0.0: b3:76:18:e0:c8:b1:39:32:8a:58:91:45:53:89:fd:63.
    0.0.0.0: Please contact your system administrator.
    0.0.0.0: Add correct host key in /root/.ssh/known_hosts to get rid of this message.
    0.0.0.0: Offending ECDSA key in /root/.ssh/known_hosts:2
    0.0.0.0:   remove with: ssh-keygen -f "/root/.ssh/known_hosts" -R 0.0.0.0
    0.0.0.0: ECDSA host key for 0.0.0.0 has changed and you have requested strict checking.
    0.0.0.0: Host key verification failed.
    stopping yarn daemons
    stopping resourcemanager
    localhost: no nodemanager to stop
    no proxyserver to stop
    可以看出ssh主机没有连接成功

    root@hett-OptiPlex-7040:/usr/local/src/hadoop# ssh-keygen -R "0.0.0.0"
    # Host 0.0.0.0 found: line 2 type ECDSA
    /root/.ssh/known_hosts updated.

    查询主机对应的秘钥


    ssh-keygen -F 0.0.0.0

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  • 原文地址:https://www.cnblogs.com/youran-he/p/8249911.html
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