The [Elastic Stack](https://www.elastic.co/elk-stack), comprised of [Elasticsearch](https://www.elastic.co/products/elasticsearch), [Logstash](https://www.elastic.co/products/logstash), [Kibana](https://www.elastic.co/products/kibana), and [Beats](https://www.elastic.co/products/beats), is a collection of open-source software produced by [Elastic](https://www.elastic.co/) that allows you to search, analyze, and visualize logs from any source and any format. So called “centralized logging” is invaluable when attempting to identify problems with your servers or applications. Choose your operating system to learn how to install the Elastic Stack on your server.