https://nxlog.co/docs/elasticsearch-kibana/using-nxlog-with-elasticsearch-and-kibana.html

http://www.elain.org/2015/08/31/Elasticsearch%E5%85%8D%E8%B4%B9%E8%AE%A4%E8%AF%81%E6%8F%92%E4%BB%B6Search-guard%E7%9A%84%E9%83%A8%E7%BD%B2%E5%AE%89%E8%A3%85%E5%8F%8A%E7%AD%96%E7%95%A5%E9%85%8D%E7%BD%AE/

http://rudijs.github.io/2015-10/docker-elk-quickstart/