Ansible got a set of modules that will allow playbooks to run different operations in managed nodes. This includes configurations to install yum packages using dnf utility, copy files from controller node to manage nodes,…

Ansible templates allows users to dynamically generate text-based files using templates, variables, and facts for configuration and other purposes. The difference between Ansible Facts and Templates is as follows: An ansible Fact stores variables that…

FACTS are variables related to remote systems.  Ansible has the capability to discover and retrieve certain values from a remote node and store then in variables. This includes capturing the number of CPUs in the…

Ansible vault is a tool that helps to encrypt, decrypt and manage sensitive data such as passwords, playbooks, files, etc. If a playbook is encrypted, ansible-navigator will prompt for the password if ones tries to…

In the below example variables are defined in the host inventory file. [root@centos9vm ~]# cat inventory === === === 192.168.132.129 192.168.132.130 servera.example.com [webservers] servera.example.com serverb.example.com [dbservers] serverc.example.com serverb.example.com servera.example.com [myGroups:children] webservers dbservers [testGRP] 192.168.132.130 [testGRP:vars]…

Variables hold values that can be used when playbooks are executed. It can be defined in: Inventory file (host scope) Playbook (play scope) Defined globally (global scope) Play scope In the below example variables are…

In this example we will write a simple playbook in Ansible, that will create a new user in a managed host. For this we need to ensure the managed host is present in the “inventory”…

A simple Ansible  inventory file is a txt file that has a list of managed hosts and groups. A simple Inventory can be as follows: [root@centos9vm ~]# cat inventory == ===== 192.168.132.129 servera.example.com [webservers] servera.example.com…

The ansible-navigator is a command-line tool which is used for creating, reviewing, running and troubleshooting Ansible content, including playbooks, collections, inventories, documentation and container images. It comes with RHEL distributions and can be installed using…