!!!! Read before starting:     if ansible run as root >>>>> use root's   id_rsa   file !!!!

1- create the Private key & Public key ( .pub) on the Client:       ssh-keygen
2- copy the public key to the server:               ssh-copy-id   or just a sftp
3- To set up SSH agent to avoid retyping passwords, you can do:
4- SSH test ( will ask for the passphrase once!)
5- check the Local keys:
6- check the Remote keys:

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