ERROR: Add correct host key in /

ssh-copy-id -i ~/.ssh/id_rsa.pub -p22022 ocdp@x.x.x.x

/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed

/usr/bin/ssh-copy-id: ERROR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

ERROR: @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!    @

ERROR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

ERROR: IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!

ERROR: Someone could be eavesdropping on you right now (man-in-the-middle attack)!

ERROR: It is also possible that a host key has just been changed.

ERROR: The fingerprint for the ECDSA key sent by the remote host is

ERROR: SHA256:D7Sh/7IoKIxCjvRqFWzArnGdcJYy1u/8oMRX6l5UV4o.

ERROR: Please contact your system administrator.

ERROR: Add correct host key in /home/ocdp/.ssh/known_hosts to get rid of this message.

ERROR: Offending ECDSA key in /home/ocdp/.ssh/known_hosts:76

ERROR: ECDSA host key for [x.x.x.x]:22022 has changed and you have requested strict checking.

ERROR: Host key verification failed.

解决办法：删除当前主机上的known_hosts文件即可

                 rm ~/.ssh/known_hosts