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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
This happens when you have connected to a server on a particular address and later on a different server has aquired this address and you consequently try to connect to the new server.
What the error is informing you of is that you are now connecting to a server which differs in identity to the original server which you previously connected to on this particular IP address.
If you are aware of a servr change on this particular IP address it is totaly safe to renew the Hosts file identification ID for this new server.
Regardless, here is what you need to do.
In a terminal window, In the Command Prompt window, Type:-
ssh-keygen -R IPADDRESS
(Where IPADDRESS is the IP of your server. The address you are trying to connect to)