While trying SFTP/ SSH: One may observe below error : @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ 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 a host key has just been changed. The fingerprint for the RSA key sent by the remote host is SHA256:7nYKseap6dAOZ2jb+ExnHUluNtqbz46AUXw14NCO1hk. Please contact your system administrator. Add correct host key in /home/myuser/.ssh/known_hosts to get rid of this message. Offending RSA key in /home/myuser/.ssh/known_hosts:42 RSA host key for mysftp.sftp.com has changed and you have requested strict checking. Host key verification failed. Couldn't read packet: Connection reset by peer Solution - Do one of the following- use ssh-keygen to delete the invalid key ssh-keygen -R "you server h