How To Install Elasticsearch on CentOS Stream 9

To install Elasticsearch on CentOS Stream 9, follow the steps below:

Step 1 : Ensure your system packages are up to date.

sudo dnf update

Step 2 : Install Java, which is required for Elasticsearch.

sudo dnf install java-17-openjdk

Step 3 : Verify the installed Java version.

java -version

Step 4 : Import the Elasticsearch PGP key for package verification.

sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

Step 5 : Create the elasticsearch.repo file and add the repository configuration.

sudo nano /etc/yum.repos.d/elasticsearch.repo

Add the following lines:

[elasticsearch]
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=0
autorefresh=1
type=rpm-md

Save the file.

Step 6 : Install Elasticsearch.

sudo dnf install --enablerepo=elasticsearch elasticsearch

Step 7 : Start the Elasticsearch service.

sudo systemctl start elasticsearch

Step 8 : Enable Elasticsearch to start on boot.

sudo systemctl enable elasticsearch

Step 9 : Open the Elasticsearch configuration file.

sudo nano /etc/elasticsearch/elasticsearch.yml

Find the line xpack.security.enabled and set it to true.

Step 10 : Restart the Elasticsearch service.

sudo systemctl restart elasticsearch

Step 11 : Verify the Elasticsearch service status.

sudo systemctl status elasticsearch

Step 12 : Reset the password for the built-in "elastic" user.

sudo /usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic

Step 13 : Use curl to verify the installation.

curl -k -u elastic:password https://localhost:9200

Congratulations! You have successfully installed and configured Elasticsearch on CentOS Stream 9.