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Introduction To Devops(Ansible)


DevOps has become a technological sensation with its constant uprising in the field of automation over the last few years and is becoming hype as more and more companies are adapting to it. But many are still wondering what exactly is DevOps with no proper definition in the market. In the year 2017, 74% of the global organizations had adopted DevOps, 16 percent could not adopt it due to migration issues while the other 10% were not sure about this uprising technology.

DevOps is a set of procedures that brings the creational and development teams together to complete the Software Development Cycle allowing the organizations to create and improve the Software development quality faster than any other conventional method. DevOps has a goal of faster deployment and recovery of Software, and Lower failure rates.

DevOps means OPERATIONAL INTELLIGENCE wherein the smart mind of the technology comes to play. We only need to tell it what to do. There is no need to tell it how to do. Using operational intelligence does the work in a very smooth and fast manner.


Devops service providers utilize a wide range of modern tools to perform several tasks, starting from the development and testing to the installation and configuration of the software. One such tool used in DevOps is Ansible Automation Tool. Both the development and operations activities are integrated into DevOps. Therefore, Ansible offers a very stable environment for the integration of the tasks.

It is an open-source Software Configuration Management as well as a Deployment Tool. The main role of this tool is to resolve the automation issues, supporting many modules, including, Slack, Splunk, Nagios, Github, and more. It is a cutting-edge tool that is perfectly amazing to handle intricate multi-tier Software environments. Ansible is agentless and connects via SSH.

The software can be invoked, installed, and configured with the Ansible tool using two methods:

  • Ad-hoc Commands
  • Playbooks

Ad-hoc commands can be used for running basic commands like checking date and time, copying data, etc. But for complex stuff use of a playbook is recommended.

Playbooks are files with a set of instructions to perform a particular task. And the syntax for these instructions is defined by the YAML language. The extension of the file is .yml.

Now following are two tasks that are completed using Ansible Tool irrespective of the platform.


Step 1:

Create a file with .yml as an extension i.e. vim webserver.yml

Step 2:

As mentioned below, write the code inside the file.

- hosts: //IP address of the system where you want to configure the webserver. tasks: - package: name: httpd state: present - service: name: httpd state: started enabled: true

NOTE : INDENTATION has to be kept in mind.

Step 3:

Save the file. Run the Playbook with the command:


playbook webserver


Step 1:

Make a file with yml extension.

Step 2:

As mentioned below, write the code within the file.

- hosts: //Ip address where you want to configure the ftpserver. tasks: - package: name: vsftpd state: present - service: name: vsftpd state: started enabled: true

Step 3:

Save the file. Run the Playbook with the command:


playbook ftpserver
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