Elasticsearch is an amazing open-source project. It is a RESTful, distributed, and JSON-based search engine. In other words, you can look at it as a NoSQL search server. You can see its official website at https://www.elastic.co/:

To download it, go to https://www.elastic.co/downloads/elasticsearch:

Select a suitable package. In my case, I am going to install it on an Ubuntu 14.04 machine. Thus, I am going to select the .deb version. It is recommended that you have the following:

  • 4GB RAM
  • 2GB CPU  

Elasticsearch is written in ...

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