If you get the following error while trying to SSH into a server, the authorization key has probably changed on the server side:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ 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 0d:dc:de:52:23:d0:05:92:0d:48:87:cb:0c:22:94:4a. Please contact your system administrator. Add correct host key in /Users/xxx/.ssh/known_hosts to get rid of this message. Offending key in /Users/xxx/.ssh/known_hosts:67 RSA host key for test.server.com has changed and you have requested strict checking. Host key verification failed.
To resolve this, you will need to clear the RSA fingerprint of the server on your client machine. The command to do this:
ssh-keygen -R test.server.com
Now, on trying to SSH into the server, your system will prompt you to confirm if you want to add this server’s RSA fingerprint on your client. Once you confirm, you will be able to connect to the server without any problem going forward.
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