Trouble Shooting1--macbook Pro terminal connection on cloud host

Terminal input: SSH [email protected] server address

Error message:

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Warning:remote HOST Identification has changed!

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IT is POSSIBLE this SOMEONE is DOING SOMETHING nasty! Someone could be eavesdropping on your right

Now (Man-in-the-middle attack)! It is also possible, a host key has just been changed. The fingerprint for the

RSA key sent by the remote host isSHA256: Here everyone is different please contact your system administrator. Add correct

Host key in/users/anan/.ssh/known_hosts to get rid of the this message. Offending RSA Key In/users/anan/.ssh/known

_hosts:1rsa host key for here is the IP of the server has changed and we have requested strict checking. Host Key verification failed.

Workaround:

Terminal input:

Ssh-keygen-r Enter the IP of the server

SSH [email protected] server address

Appears: Is you sure want to continue connecting (yes/no)?

Enter Yes,
The connection is complete! At the same time, new certifications have generated
Use Terminal connection server mode under Mac

Reason:

When the first SSH connection is made, an authentication is generated that is stored in the client (that is, the one that known_hosts the other computer with SSH),

However, if the server is verified, the authentication information will certainly change, the server side and the client is not the same, will be out of error ~ so as long as the computer in the certification

The message is deleted, the connection is regenerated (delete instruction: ssh-keygen-r input server IP)

Trouble Shooting1--macbook Pro terminal connection on cloud host