Ansible is an open source automation platform. It is very, very simple to setup and yet powerful. Ansible can help you with configuration management, application deployment, task automation.
Ansible is an open-source IT automation engine which can remove drudgery from your work life, and will also dramatically improve the scalability, consistency, and reliability of your IT environment.
It can also do IT orchestration, where you have to run tasks in sequence and create a chain of events which must happen on several different servers or devices.
Example : If you have a group of web servers behind a load balancer. Ansible can upgrade the web servers one at a time and while upgrading it can remove the current web server from the load balancer and disable it in your Nagios monitoring system. So in short you can handle complex tasks with a tool which is easy to use.
What Ansible can automate?
Provisioning: Set up the various servers you need in your infrastructure.
Configuration management: Change the configuration of an application, OS, or device; start and stop services; install or update applications; implement a security policy; or perform a wide variety of other configuration tasks.
Application deployment: Make DevOps easier by automating the deployment of internally developed applications to your production systems.
Is Ansible Free?
YES!, Ansible is free to use and can be downloaded and installed from a number of sources, it will currently only run on a Linux or Mac that has Python installed. It will not run on Windows.
There are also some paid products i.e Ansible Engine a version of Ansible with full support from Red Hat and also Ansible Tower a GUI front end to drive Ansible core Ansible Tower is licensed on a per node basis.
But if you just want to download Ansible and use it for your home or production use – it is free to use.
The Keys Features of Ansible
There is no software or agent to be installed on the client that communicates back to the server.
No matter how many times you call the operation, the result will be the same.
Simple and extensible
Ansible is written in Python and uses YAML for playbook language, both of which are considered relatively easy to learn.
What are Ansible roles?
What is an Ansible script?
Does Ansible need Python?
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