How to Install Ansible in AWS

Commands to Install Ansible in AWS EC2 are given below

sudo dnf install ansible

ansible --version

How to Connect the Master Instance to the Child Instances

Copy the SSH Keys of Child Instances

Copy the SSH keys of the child instances in /home/ec2-user/key.pem

Then, create the hosts.ini file by running “nano hosts.ini” in /home/ec2-user/ directory

[web]
child1 ansible_host={child_ip} ansible_user=ec2-user ansible_ssh_private_key_file=/home/ec2-user/{file_path}

Verify if it’s able to connect

ansible -i hosts.ini web -m ping

How to Install Nginx using Ansible Playbook

The Ansible Playbook Code is Given Below

---
- name: Configure Nginx on Amazon Linux 2023
  hosts: web
  become: true
  tasks:
    - name: Install nginx (via dnf)
      dnf:
        name: nginx
        state: latest
        update_cache: yes

    - name: Ensure nginx is started and enabled
      service:
        name: nginx
        state: started
        enabled: yes

Now, run this to install nginx in the child instances

ansible-playbook -i hosts.ini nginx.yml

A detailed Video Tutorial is given below