How to automate ssh key generation without her confirmation?

Question

SSH

There is an UBUNTU server.
Each time you connect the ssh tunnel, you need to confirm the creation of the key, and then if you need to enter a password for the connection.
Is it possible to automate this to not confirm or enter a password to create a key.
TO INTRODUCE EVERYTHING known_hosts AUTOMATICALLY.

Answer 1

This is what ssh-agent is for .
In general, why do you create a new key every time? How is that? It is created once and used until it is stolen.