ssh-keyscan

all

Get the public SSH keys of remote hosts.

Examples (4)

Retrieve all public SSH keys of a remote host

ssh-keyscan hostname

Retrieve all public SSH keys of a remote host listening on a specific port

ssh-keyscan -p port hostname

Retrieve certain types of public SSH keys of a remote host

ssh-keyscan -t rsa,dsa,ecdsa,ed25519 hostname

Manually update the SSH known_hosts file with the fingerprint of a given host

ssh-keyscan -H hostname >> ~/.ssh/known_hosts