In this tutorial we will show you how to install and configure the ELK Stack on CentOS 7. Elasticsearch, Logstash and Kibana are the three open-source products which are part of the collection called ELK stack. It is a robust solution for search, analyze and visualization of data. As we already know Elasticsearch is distributed, RESTful search and analytics NoSQL engine based on Lucene, the light-weigh data processing pipeline or Logstash is used for managing events and logs from many different sources and Kibana which is a web application is used for data visualization that works on top of Elsticsearch. This tutorial on installing ELK Stack on CentOS 7, should be good for any other Linux VPS systems, but originally it was intended or in other words written and tested for a CentOS based virtual private server. The task of installing ELK Stack on CentOS 7 should be easy, you just need to follow the steps which are given below and the job will be done in less than ten minutes. Let???s get started.