admin@aos-server:~$ sudo dpkg-reconfigure openssh-server
Creating SSH2 RSA key; this may take some time ...
2048 SHA256:EWRFcs4V6BmOILR3T2Psxng1uE0qXQ/z9IKkXrnLpJs root@aos-server (RSA)
Creating SSH2 ECDSA key; this may take some time ...
256 SHA256:THaXEia8VW6Jfw6OBXFegu1Cav0zcGSVOy9RkNOPxf4 root@aos-server (ECDSA)
Creating SSH2 ED25519 key; this may take some time ...
256 SHA256:0HOn0nnF+7oRaF5HggI4vWeyxT+UNsHcbvNpBJdaKhQ root@aos-server (ED25519)
admin@aos-server:~$ sudo dpkg-reconfigure openssh-server