IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
X-Pack is an Elastic Stack extension that bundles security, alerting, monitoring, reporting, machine learning, and graph capabilities into one easy-to-install package.
X-Pack also provides a monitoring UI for Logstash. To access this functionality, you must install X-Pack in Logstash.
Intro to Kibana
ELK for Logs & Metrics