Noodle uses 4 things on the server

1. The Noodle folder (older versions are named IntraNet)
2. The database folders (can be on a different server)
3. The Java Folder
4. Optional tools; ffmpeg, anything used by custom search filters, etc

On Windows the Noodle folder is in %PROGRAMFILES(x86)% by default.

On Linux the Noodle folder is in /opt/ by default.

Among other things the Noodle folder contains the following of potential interest:

1. conf/server.xml (connection settings)
2. conf/noodle.properties (application settings)
3. logs
4. optional files like MOTD.html/custom.js/noodle.jks