This means that the key pair cannot be used without entering the passphrase (unless we save that passphrase to our local machine’s keychain manager). While creating the key pair, we will be given the option to encrypt the private key with a passphrase. Then press Enter to use the default names id_rsa and id_rsa.pub in the /home/your_username/.ssh directory before entering your passphrase. Important!: keep in mind that if you execute ssh-keygen command, it will overwrite an existing RSA key pair, potentially locking you out of other systems. The -b flag instructs ssh-keygen to increase the number of bits used to generate the key pair, and is suggested for additional security. We have to use ssh-keygen command with -b flag. Last login: Wed Jul 24 09:40:44 2019 from ~]$ Starting the configuration: 1. If we try to connect via ssh from Ansible master to node1 with the remote user, we will need to introduce the password in the prompt: ssh password: In my lab I’m currently using my Ansible master server like the origin server and my Ansible node1 like the destination server. Checking the authorized_keys file in remote server. ![]() ![]() Upload your Public Key to remote server.To configure a SSH trust relationship providing authentication via RSA public keys is necessary to follow the next steps:
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