ssh-keygen -R 192.168.1.123
How to fix warning about ECDSA host key
«Offending ECDSA key in»
Источник: https://superuser.com/questions/421004/how-to-fix-warning-about-ecdsa-host-key
ssh-keygen -l -F <domain_or_IP_address>
How to fix warning about ECDSA host keyCheck the fingerprint for the ECDSA key sent by the remote host [closed]
«ECDSA key fingerprint is»