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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @

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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

15:b4:9a:ef:cf:8c:06:83:ed:03:c9:12:c4:9f:d6:31.

Please contact your system administrator.

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

Offending key in /root/.ssh/known_hosts:6

RSA host key for pc06 has changed and you have requested strict checking.

Host key verification failed.

[解決方法]

[root@pc]# ssh-keygen -R pc06

/root/.ssh/known_hosts updated.

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