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...