ssh登录出错:RSA host key for XXX has changed...

$ ssh root@XXX

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@    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

cd:d1:ad:98:ca:36:b5:ec:c3:1d:be:b8:8c:ae:bc:80.

Please contact your system administrator.

Add correct host key in /testusr/.ssh/known_hosts to get rid of this message.

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Offending key in /testusr/.ssh/known_hosts:144

RSA host key for XXX has changed and you have requested strict checking.

Host key verification failed.

执行下面命令可以解决

$ ssh-keygen -R XXX

/chkusr/.ssh/known_hosts updated.

Original contents retained as /testusr/.ssh/known_hosts.old

说明：

XXX表示你要登录的服务器IP