PPAs or Personal Package Archives are basically software repositories that are used by Ubuntu systems…
How to Install Graylog2 and Elasticsearch on Ubuntu 15.10
In this tutorial, I will guide you trough the Graylog2, Elasticsearch and MongoDB installation to build a scalable log server node with advanced log search capabilities. I will use Ubuntu 15.10 for this installation. Elasticsearch is a distributed search server based on Lucene that is available as OpenSource software. Graylog2 is a centralized log management and log analysis framework based on Elasticsearch and MongoDB.