Giovanni, I updated other paths and suggestions in that page to better reflect the location of scripts when installed via the ubuntu packages.[1] Changes are now live at readthedocs.[2]
Please let us know if you find any other problems and also about the kind of topics you would like to know about during your customization but are not there. Thanks, Ariel. [1] https://github.com/GeoNode/geonode/commit/d4f7fde4427f09bf12fe75727534d667ddc953d7 [2] http://docs.geonode.org/en/latest/developers/extend.html
