Error al conectar por SSH a una IP: Host key verification failed

Cuando os salga el siguiente error en vuestra linea de comandos al intentar conectar a otro servidor distinto tendréis que utilizar el comando que os mostraremos a continuación:

El error es el siguiente:

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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

Please contact your system administrator.
Add correct host key in /home/user/.ssh/known_hosts to get rid of this message.
Offending key in /home/user/.ssh/known_hosts:1
RSA host key for ras.mydomain.com has changed and you have requested strict checking.
Host key verification failed.

Y la solución:

ssh-keygen -R <IP SERVIDOR AL QUE SE PRETENDE CONECTAR>