大数据集群ssh登录其他机器失败 RSA host key for zb03 has changed and you have requested strict checking. Host key verification failed.

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[hadoop@zb02 .ssh]$ scp authorized_keys hadoop@zb03:/home/hadoop/.ssh

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
47:9e:c6:8c:ab:46:90:70:b4:0f:e6:67:53:90:c8:63.
Please contact your system administrator.
Add correct host key in /home/hadoop/.ssh/known_hosts to get rid of this message.
Offending key in /home/hadoop/.ssh/known_hosts:1
RSA host key for zb03 has changed and you have requested strict checking.
Host key verification failed.
lost connection

解决办法：

在.ssh目录下有一个 known_hosts文件 把这个文件删除或者改名 即可

大数据集群ssh登录其他机器失败 RSA host key for zb03 has changed and you have requested strict checking. Host key verification failed.

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原文地址：http://www.cnblogs.com/ITxiaojiayu/p/5887600.html