# Elasticsearch 9.x on Ubuntu 22.04+

This article provides the steps to install and configure Elasticsearch on an Ubuntu system. It includes repository setup, installation, service configuration, and security enablement. This setup supports search and indexing capabilities required for platform operations.

### Prerequisites

Ensure the following conditions are met before proceeding:

* **Operating System:** Ubuntu system (supported version)
* **Java Runtime:** Java is installed and configured
* **Privileges:** Sudo or root access to execute installation and service commands
* **Network Access:** Internet connectivity to download packages and repository keys

### Installation Steps

1. #### Add Elasticsearch Signing Key 
   * Download and install the public signing key for the Elasticsearch repository.

     ```bash
     wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo gpg --dearmor -o /usr/share/keyrings/elasticsearch-keyring.gpg
     ```

2. #### Add Elasticsearch Repository
   * Add the Elasticsearch APT repository.

     ```bash
     echo "deb [signed-by=/usr/share/keyrings/elasticsearch-keyring.gpg] https://artifacts.elastic.co/packages/9.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elasticsearch.list
     ```

3. #### Install Elasticsearch
   * Update package lists and install Elasticsearch.

     ```bash
     sudo apt update
     sudo apt install -y elasticsearch
     ```

     \
     **Sample Reference Screenshot**

     <figure><img src="/files/YONgTAbfawnGuduqxZl7" alt=""><figcaption></figcaption></figure>

4. #### Configure Elasticsearch
   * Edit the Elasticsearch configuration file.

     ```bash
     sudo vi /etc/elasticsearch/elasticsearch.yml
     ```
   * Update the following properties:

     ```bash
     cluster.name: ovaledge
     network.host: 0.0.0.0
     transport.host: localhost
     transport.tcp.port: 9300
     http.port: 9200
     ```

5. #### Enable and Start Elasticsearch Service
   * Enable the Elasticsearch service to start on system boot and start the service.

     ```bash
     sudo systemctl enable elasticsearch
     sudo systemctl start elasticsearch
     sudo systemctl status elasticsearch.service
     ```

     \
     **Sample Reference Screenshot**

     <figure><img src="/files/IuZQEc1xw0Pq1v6EjcKH" alt=""><figcaption></figcaption></figure>

6. #### Enable Security
   * Add the following property to the configuration file and restart the service:

     ```bash
     xpack.security.enabled: true
     ```

7. #### Set Elasticsearch Password
   * Navigate to the Elasticsearch bin directory and reset the password.

     ```bash
     sudo /usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic
     ```
   * Provide and confirm the password when prompted.

8. #### Validate Installation
   * Access Elasticsearch using the following URL:&#x20;

     ```bash
     http://<IP_ADDRESS>:9200
     ```

***

Copyright © 2026, OvalEdge LLC, Peachtree Corners, GA, USA.


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