Ansible is a powerful open-source automation tool used for configuration management, application deployment, orchestration, and task automation. It allows you to manage multiple systems in an easy-to-use, efficient manner. Let’s break down the core concepts of Ansible: 1. Inventory Definition : The inventory is a list of managed nodes (i.e., the servers or machines Ansible will interact with). Format : It can be defined in a simple text file ( /etc/ansible/hosts by default) or in more dynamic formats like JSON or YAML. Grouping : Hosts can be grouped for easier targeting. Example of an inventory file: ini [webservers] server1.example.com server2.example.com [dbservers] db1.example.com 2. Modules Definition : Modules are the units of work in Ansible. These are small programs that perform tasks like installing packages, copying files, or managing services. Types : Core modules (packaged with Ansible) and custom modules. Examples include yum , apt ,...