Red Hat IdM
From wiki.vacula.xyz
Fix/Remove SSH Host Pubkey from IdM Record
Manifests as the following:
[lvacula@example.com@jumpbox ~]$ ssh root@10.0.0.1 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ 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 ED25519 key sent by the remote host is SHA256:GoCT9/BWiOSs+gRXtwu2ZgaaaswtPc6YT7VmKOE5PL0. Please contact your system administrator. Add correct host key in /home/lvacula/.ssh/known_hosts to get rid of this message. Offending ED25519 key in /var/lib/sss/pubconf/known_hosts:3 Host key for 10.0.0.1 has changed and you have requested strict checking. Host key verification failed.
Fix by running
ipa host-mod --sshpubkey= host.example.com