Node.js is an open source server environment. Node.js allows you to run JavaScript on the server. There are different method you can use...

Ansible Roles concepts provides skeleton for an independent collection of different variables.. Roles are grouping of tasks which can be...

Ansible Ad hoc commands can be run to perform some quick operations on bunch of nodes at the same time. These commands are one liner with...

Docker is a tool designed to make it easier to create, deploy, and run applications by using containers. Containers allow a developer to...

What is Playbook ? Ansible playbook is an organized unit of scripts that defines work for a server configuration managed by the...

What is Ansible ? Ansible is an open-source automation tool, or platform, used for IT tasks such as configuration management, application...

Ansible Vault is a feature that allows keeping secrete data like Server Password & private key in encrypted files, rather than as...

Cassandra Cluster The cluster is a collection of nodes that represents a single system. In this tutorial, we'll be going to put some...

What is Cassandra ? Apache Cassandra is a free and open-source, distributed, wide column store, NoSQL database management system...

What is Elasticsearch ? Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable...