elasticsearch 8.9 RuntimeException: can not run elasticsearch as root

Hello! It seems that you are facing a RuntimeException while trying to run Elasticsearch as root. Running Elasticsearch as the root user is not recommended due to security concerns. To resolve this issue, you can create a separate user to run Elasticsearch.

Here are the steps to create a dedicated user and run Elasticsearch:

1. Create a new user:

   sudo adduser elasticsearch

2. Grant necessary permissions to the new user:

   sudo usermod -aG sudo elasticsearch

3. Switch to the newly created user:

   su - elasticsearch

4. Download and install Elasticsearch:

   wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.9.0.tar.gz
   tar -xzf elasticsearch-8.9.0.tar.gz
   cd elasticsearch-8.9.0/

5. Start Elasticsearch:

   bin/elasticsearch

By following these steps, you should be able to run Elasticsearch without encountering the "can not run elasticsearch as root" error. Remember to always run Elasticsearch using a dedicated user with appropriate permissions for security reasons. Let me know if you need any further assistance!