How To Install Elasticsearch on Ubuntu 20.04 LTS

Install Elasticsearch on Ubuntu 20.04

In this tutorial, we will show you how to install Elasticsearch on Ubuntu 20.04 LTS. For those of you who didn’t know, Elasticsearch is a flexible and powerful open-source, distributed real-time search and analytics engine. It supports RESTful operations and allows you to store, search, and analyze big volumes of data in real-time. Elasticsearch is one of the most popular search engines powering applications that have complex search requirements such as big e-commerce stores and analytic applications.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation Elasticsearch on a Ubuntu 20.04 (Focal Fossa) server.

Install Elasticsearch on Ubuntu 20.04 LTS Focal Fossa

Step 1. First, make sure that all your system packages are up-to-date by running these following apt commands in the terminal.

Step 2. Installing Elasticsearch on Ubuntu 20.04.

Run the following command to import the repository’s GPG key:

Now add the Elasticsearch repository to the system:

Then,  run apt update then install Elasticsearch package on your Ubuntu system:

Elasticsearch service will not start automatically after the installation process is complete. To start the service and enable the service run:

To verify that Elasticsearch is running, use curl to send an HTTP request to port 9200 on localhost:

You should see something similar to this:

Step 4. Configure Elasticsearch.

We have an active installation for Elasticsearch now. To use Elasticsearch effectively, we can some important changes to the configuration. Run the following command to open the ES config file:

Change the following values:

Restart the Elasticsearch service for the changes to take effect:

Congratulations! You have successfully installed Elasticsearch. Thanks for using this tutorial for installing Elasticsearch on your Ubuntu 20.04 LTS Focal Fossa system. For additional help or useful information, we recommend you to check the official Elasticsearch website.

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