What is the ELK Stack?

The ELK Stack was a collection of three open-source products —Elasticsearch,  Logstash, and Kibana  — all developed, managed and maintained by Elastic. 

The introduction and subsequent addition of Beats turned the stack into a four legged project and led to a renaming of the stack as the Elastic Stack.

LK Domain Registry Technical Team bring you the latest updates to share knowledge ELK and it's functions/

     E- Elasticsearch                L- Logstash              K- Kibana

Help your self to find more details : http://techblog.domains.lk/2020/12/elk-stack-elasticsearch-logstash-and.html