Install and use elasticsearch on centOS 8; Through this tutorial, we will learn how to install and use elasticsearch on centOS 8.
Elasticsearch is an open-source distributed full-text 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.
How to Install Elasticsearch on CentOS 8
Just follow the following steps to install and use elasticsearch on centOS 8:
- Step 1 – Install Java
- Step 2 – Import GPG Keys
- Step 3 – Install Elasticsearch
- Step 4 – Configure Elasticsearch
- Step 5 – Start and Enable Service
- Step 6 – Test Elasticsearch
Step 1 – Install Java
First of all, open terminal or command line and execute the following command into it to install java in centOS 8:
sudo dnf install java-11-openjdk-devel
Once the java installation is completed, execute the following command on terminal to verify java installation in centOS 8:
java -version
Step 2 – Import GPG Keys
Now, execute the following command on command line or terminal to import GPG key in centOS 8:
sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
After that, Open text editor and create the repository file the /etc/yum.repos.d directory by executing the following command on command line or terminal:
sudo nano /etc/yum.repos.d/elasticsearch.repo
Then paste the following content into the file:
[elasticsearch-7.x] name=Elasticsearch repository for 7.x packages baseurl=https://artifacts.elastic.co/packages/7.x/yum gpgcheck=1 gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch enabled=1 autorefresh=1 type=rpm-md
Step 3 – Install Elasticsearch
Execute the following command on command line or terminal to install elasticsearch in centOS 8:
sudo dnf install elasticsearch
Step 4 – Configure Elasticsearch
Then edit Elasticsearch configuration file “/etc/elasticsearch/elasticsearch.yml” and set the network.host to localhost. we can also change it to the system LAP IP address to make it accessible over the network.
vim /etc/elasticsearch/elasticsearch.yml
Set the following values to customize your Elasticsearch environment.
cluster.name: Tutsmake-ES-Cluster node.name: node-1 path.data: /var/lib/elasticsearch network.host: 127.0.0.1
Step 5 – Start and Enable Service
Once the installation process is complete, start, and enable the service:
sudo systemctl enable elasticsearch.service --now
Step 6 – Test Elasticsearch
Once the Elasticsearch has been successfully installed and configure in CentOS 8 or RHEL 8 system. Now, We can use it for storing and searching content.
Execute the following command on command line or terminal to view the Elasticsearch server configuration and version details:
curl -X GET "localhost:9200/?pretty"
Conclusion
Install and use elasticsearch on centOS 8; Through this tutorial, we have learned how to install and use elasticsearch on centOS 8.
