Howtoforge published a tutorial about installing and configuring Graylog on Ubuntu 20.04.

Install and Configure Graylog Monitoring Server Ubuntu 20.04

Graylog is a free and open-source log management software tool that can be used to monitor log of the network systems from the central server. It uses Elasticsearch to store logs data and provide search capabilities, and MongoDB for storing meta information. It helps you to monitor, search and analyze a large amount of data into a simple readable format. In this tutorial, we will show you how to install Graylog on Ubuntu 20.04 server.

Install and Configure Graylog Monitoring Server Ubuntu 20.04