NashTech Insights

How to Automate Infrastructure with Ansible: A Step-by-Step Tutorial

Rahul Miglani
Rahul Miglani
Table of Contents
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Automation has become a critical aspect of modern IT operations, enabling organizations to achieve efficiency, scalability, and consistency in managing their infrastructure. Ansible, a powerful open-source automation tool, offers a simple and intuitive approach to automating infrastructure provisioning, configuration, and deployment. In this step-by-step tutorial, we will explore how to leverage Ansible to automate infrastructure tasks and streamline your IT operations.

Step 1: Install Ansible

Begin by installing Ansible on your control machine. Ansible can be installed on various operating systems, including Linux, macOS, and Windows. Follow the official Ansible documentation for detailed instructions on installing Ansible on your specific platform.

Step 2: Set Up Inventory

Ansible uses an inventory file to define the hosts or groups of hosts on which automation tasks will be executed. Create a new inventory file, typically named “hosts” or “inventory”, and populate it with the IP addresses or hostnames of your target machines. You can also organize hosts into groups for easier management and configuration.

Step 3: Create a Playbook

Ansible playbooks are YAML files that define the desired state of your infrastructure. Each playbook consists of one or more plays, which include a set of tasks to be executed on the specified hosts. Create a new YAML file, such as “playbook.yml”, and start by defining the hosts or groups for the playbook. Then, specify the tasks you want to perform, such as installing packages, configuring services, or managing files.

Example Ansible Playbook:

In this example, the playbook installs Nginx, copies a custom configuration file, and starts the Nginx service on the hosts defined under the “web_servers” group.

Step 4: Run the Playbook

Lastly, To execute the playbook, use the ansible-playbook command followed by the name of your playbook file. For instance, run the command ansible-playbook playbook.yml to execute the playbook defined in the “playbook.yml” file. Ansible will connect to the hosts specified in the inventory, perform the defined tasks, and provide detailed output for each task execution.


Finally, By following this step-by-step tutorial, you have learned how to automate infrastructure tasks using Ansible. From installing Ansible and setting up the inventory to creating a playbook and executing it, you have experienced the simplicity and power of Ansible automation.

Lastly, As you continue your journey with Ansible, explore advanced features such as variables, templates, and roles to further enhance your automation capabilities. Ansible’s rich ecosystem, including its extensive module library and active community, offers a wealth of resources and best practices to help you automate complex infrastructure tasks.

Finally, With Ansible, you can achieve consistent, scalable, and efficient infrastructure management, allowing you to focus on higher-value initiatives and drive business growth. Embrace the power of automation and unlock the full potential of your IT infrastructure with Ansible.

Rahul Miglani

Rahul Miglani

Rahul Miglani is Vice President at NashTech and Heads the DevOps Competency and also Heads the Cloud Engineering Practice. He is a DevOps evangelist with a keen focus to build deep relationships with senior technical individuals as well as pre-sales from customers all over the globe to enable them to be DevOps and cloud advocates and help them achieve their automation journey. He also acts as a technical liaison between customers, service engineering teams, and the DevOps community as a whole. Rahul works with customers with the goal of making them solid references on the Cloud container services platforms and also participates as a thought leader in the docker, Kubernetes, container, cloud, and DevOps community. His proficiency includes rich experience in highly optimized, highly available architectural decision-making with an inclination towards logging, monitoring, security, governance, and visualization.

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