@Landokirk any module you dont need, just add disabled:true, after the module: line for the google calendar, use the desktop to go to calendar.google.com hover the mouse pointer over the calendar name in the left nav 3 dots will appear to the right, click and pick settings scroll down to sharing, and locate the ical url, or secret that is the string used in the default calendar url: setting then for EXT3 you install that module if you use my MMM-Config module, it will provide a form based approach to system and module configuration, and also supports module install.