Securing Ansible with SSH Keys: A Comprehensive Guide - Part 4

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SSH keys are used in Ansible to secure and automate the management of remote systems. There are several reasons why SSH keys are necessary in Ansible:

1. Secure authentication: SSH keys provide a secure method of authentication, without the need for passwords. This helps to prevent unauthorized access to the remote systems and reduces the risk of security breaches.

2. Automation: Ansible relies on SSH to execute commands on remote systems, so using SSH keys enables automation and eliminates the need for manual intervention.

3. Scalability: SSH keys make it easier to manage a large number of remote systems, as you can automate tasks and execute commands without needing to enter a password for each system.

4. Ease of use: SSH keys simplify the authentication process, making it easier to use Ansible for remote management tasks.

To use an SSH key with Ansible, you'll need to follow these steps:

1. Generate an SSH key pair: Use the "ssh-keygen" command to generate a public and private key.
2. Copy the public key to the remote hosts: Use the "ssh-copy-id" command to copy the public key to the remote hosts you want to access with Ansible.
3. Configure Ansible: In your Ansible hosts file , set the "private_key_file" option to the path of the private key file generated in step 1.
4. Verify the connection: Use the "ansible" command with the "-m ping" option to verify that Ansible can connect to the remote host using the SSH key.

▬▬▬▬▬▬ ⭐️ Time Stamps ⭐️ ▬▬▬▬▬▬
0:00 Introduction
0:37 How to use Public and Private SSH keys in Ansible?
01:00 Generate the SSH key using SSH-KEYGEN
02:54 Copy private key using ssh-copy-id
03:52 Set the private SSH key path in hosts file
04:27 Verify the Ansible playbook with SSH keys


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