- 📖🕓 ≈ 3 min - We introduced and described Grafana in the previous articles “Open Source Tool Grafana – An Introduction” and “Grafana Howto: Local Installation & Setup Using Ubuntu as an Example“. If you have thought carefully, you know which step has to be the next. Right, you now have to connect a data source from which your data should be queried and displayed. This is where this post comes in. In the following, we will show you how