To my #SSH folks:
Is there some documented process of moving SSH from one machine to another transparently?
I get that I can copy the server-keys from $OLDSERVER to $NEWSERVER, but my understanding is that SSH will still notice the IP address (they connect via name, and DNS will point to the new IP address) changing and still raise alarms.
Short of also migrating the IP address too (not an option here since they're owned by different orgs), is there a least-painful route?
The current/painful option is just "sorry, suckas, IP changed, host-key & its fingerprints changed, and all your automated SFTP tasks break until you accept the new host key" which I'm trying to avoid ☺
Thanks for any recommendations!