What Is Ssh Known_Hosts?

ssh/known_hosts file contains the SSH fingerprints of machines you've logged into. These fingerprints are generated from the remote server's SSH key. ... You attempt to make the connection to the remote server, via the client. The remote server sends it's public key to the client.

Is it safe to delete SSH known_hosts?

It should create a new one automatically. You can always just touch a new one and then set permissions/ownership as needed (based off another one perhaps). I usually just remove the entries from known_hosts that are wrong and not whack the whole file.

What is in the file known_hosts?

The known_hosts File is a client file containing all remotely connected known hosts, and the ssh client uses this file. This file authenticates for the client to the server they are connecting to. The known_hosts file contains the host public key for all known hosts.