Elasticsearch is a powerful search engine based on the Lucene library. It's widely used for full-text search and analysis. In this guide, we will walk you through the installation and configuration of Elasticsearch on Rocky Linux 8.
Step 1: Update Your System
Before installing Elasticsearch, it's important to update your system:
sudo dnf update -yStep 2: Install Java
Elasticsearch requires Java. You can install OpenJDK with the following command:
sudo dnf install java-11-openjdk -yStep 3: Add the Elasticsearch Repository
Add the Elasticsearch GPG key:
sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearchThen, create a new repo file:
echo "[elasticsearch-8.x]
name=Elasticsearch repository for 8.x packages
baseurl=https://artifacts.elastic.co/packages/8.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1" | sudo tee /etc/yum.repos.d/elasticsearch.repoStep 4: Install Elasticsearch
Now you can install Elasticsearch with the following command:
sudo dnf install elasticsearch -yStep 5: Start and Enable Elasticsearch Service
Start the Elasticsearch service and enable it to start on boot:
sudo systemctl start elasticsearch
sudo systemctl enable elasticsearchStep 6: Verify the Installation
To verify that Elasticsearch is running, use the following command:
curl -X GET "localhost:9200/"You should see a JSON response with information about your Elasticsearch instance.
Step 7: Configure Elasticsearch (Optional)
You can configure Elasticsearch by editing the configuration file located at /etc/elasticsearch/elasticsearch.yml. Here, you can set cluster name, node name, network settings, and more.
Conclusion
You've successfully installed and configured Elasticsearch on Rocky Linux 8. You can now use it for your applications.
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