I do computer stuff. When I solve a problem and it's not obvious, I document it here - it's a reference for myself, and hopefully, it can save other people out there days of problem solving, googling and assorted hair-tearing.
How to turn a SHA256 key fingerprint into MD5:
ssh-keygen -l -E md5 -f <(ssh-keyscan -t ssh-ed25519 your_host_name) | awk '{print $2}' | cut -d":" -f 2-