NAME

ssh_key_discovery - Discover SSH keys of given hosts.

SYNOPSIS

ssh_key_discovery hostname-or-ip [hostname-or-ip, …]

DESCRIPTION

Discovers and SSH host to prevent “Host key verification failed.” errors during automatic SSH command executions without human interaction.

It removes and (re-)adds the discovered hosts to the ~/.ssh/known_hosts file of the executing user.

OPTIONS

hostname-or-ip, …

One or more hostnames or IPs to discover SSH keys for.

ENVIRONMENT VARIABLES

MODE=(hostname|ip)

Resolves the IP if set to hostname or the hostname if set to ip. Defaults to (“hostname”).

EXAMPLES

Discover SSH-Keys for a list of IP addresses:

$ MODE=ip ssh_key_discovery 1.1.1.1 2.2.2.2

SEE ALSO

dig(1), host(1), ssh-keygen(1), ssh-keyscan(1)