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Host key verification failed



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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 a host key has just been changed.
The fingerprint for the RSA key sent by the remote host is

Please contact your system administrator.
Add correct host key in /home/user/.ssh/known_hosts to get rid of this message.
Offending RSA key in /home/user/.ssh/known_hosts:[]
RSA host key for 192.168.0.10 has changed and you have requested strict checking.
Host key verification failed.



this can happen when you try to recreate the same machine again with the same IP but with different key, in this case you need to remove the record of the destination server from your local 
known_hosts server and then you can re login.



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