How to Install ELK Stack (Elasticsearch, Logstash and Kibana) on CentOS 7 / RHEL 7

Logs analysis has always been an important part system administration but it is one the most tedious and tiresome task, especially when dealing with a number of systems. Fortunately, ELK stack has eased up the task, ELK stack is now used for log inspection/analysis & it’s a combination of following three open source products