What is Ansible Ansible is a configuration management, deployment and orchestration tool. Features of Ansible Simple: Simple to install and setup Built on top of Python: Provides lot of python functionality. SSH for Secure Connection Agentless Platform independent Push Based unlike Puppet and Chef Install and Setup: Install Ansible via pip install ansible Generate SSH-Key on Master node using ssh-keygen -t rsa Goto /root/.ssh and copy id_rsa.pub key to all other nodes and Run ssh-copy-id <Destination IP Address> By default, Ansible configuration file is located under /etc/ansible/ansible.cfg and inventory file is pointed to /etc/ansible/hosts ansible --version shows the version of ansible is using and the configuration file it is pointing to. We can create our own inventory file filename - inventory.ini [web_servers] web01 web02 [db_servers] db01 db02 Create a ansible.cfg file under working directory or edit the default configuration under /etc/ansible and update