SSH或SFTP登录错误

SSH或SFTP登录错误

oracle@bjhealth1 ~]$ sftp 10.1.112.235

Connecting to 10.1.112.235...

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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

b6:17:ae:3c:bf:b6:f4:44:9d:cc:3d:3d:59:a1:c8:72.

Please contact your system administrator.

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

Offending key in /home/oracle/.ssh/known_hosts:4

RSA host key for 10.1.112.235 has changed and you have requested strict checking.

Host key verification failed.

Couldn't read packet: Connection reset by peer

原因：

  当以前登录过的IP发生了变化之后，如更换或更新了操作系统，那么再次登录时就会出现上述错误，需要重置一下本地缓存文件。

解决办法：

  删除.ssh/ known_hosts缓存文件。

重新登录时，会出现以下信息: