Passing Variables to an Ansible Playbook From the Command Line Ansible is a popular tool that automates manual IT processes such as application deployment and configuration management. Since we can use the same playbook or task on different systems, we may need to differentiate the systems using variables. For example, while applying a patch to several servers using a single playbook, we may use variables to differentiate the server names. https://pseudoscripter.wordpress.com/2026/03/16/passing-variables-to-an-ansible-playbook-from-the-command-line/