[docs] Add two sections to top configuration page
@@ -5,7 +5,16 @@ draft: false
weight: 3
---
+## Hue
+
The source of truth sits in the main [hue.ini](https://github.com/cloudera/hue/blob/master/desktop/conf.dist/hue.ini).
It consists in several [ini sections](https://en.wikipedia.org/wiki/INI_file#Sections). Lines needs to be uncommented to be active.
-Hue is using Hadoop `impersonation` to be able to communicate properly with certain services. This is described in the following [Service Configuration]({{% param baseURL %}}administrator/configuration/).
+The most important things to configure are:
+
+* pointing to a relational database (where Hue saves users and queries)
+* pointing to external services to query or browse (which databases we want users to query with SQL, or filesystems to browse...)
+
+## Services to interact with
+
+Sometimes some Hadoop components need to be configured to properly work with Hue. Hue is using Hadoop `impersonation` to be able to communicate properly with certain services. This is described in the following [Service Configuration]({{% param baseURL %}}administrator/configuration/).
