Hello @Simha - welcome to the OpenSearch community!
This is an interesting question. Looks like @wyzemoro is asking something similar here:
https://forum.opensearch.org/t/install-opensearch-2-3-0-as-service-on-ubuntu-linux/
Judging from this thread
@gehf has done this in the past - Hengfeng, would you be able to assist on this?