How To Install Elasticsearch on Ubuntu 18.04 LTS

Install Elasticsearch on Ubuntu 18.04 LTS

In this tutorial, we will show you how to install Elasticsearch on your Ubuntu 18.04 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 18.04 (Bionic Beaver) server.

Install Elasticsearch on Ubuntu 18.04 LTS Bionic Beaver

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 OpenJDK.

Run these commands to install the Java 8 SDK:

Verify the Java installation by running the following command which will print the Java version:

Step 3. Installing Elasticsearch on Ubuntu.

First, add the Elasticsearch repository:

Next, add the Elasticsearch repository to the system by issuing:

Now run apt update then install Elasticsearch package on your Ubuntu 18.04 server:

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

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:

Step 5. Test Elasticsearch.

The Elasticsearch service is ready to use. You can test it using curl command-line utility. Run the simple GET command using curl to verify the setup. You will see the Elasticsearch cluster details with the version on your screen:

You should see something similar to this:

Congratulations! You have successfully installed Elasticsearch. Thanks for using this tutorial for installing Elasticsearch on your Ubuntu 18.04 system. For additional help or useful information, we recommend you to check the official Elasticsearch website.

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