Does anyone know how to set a default application that does not appear in the drop-down menu? I use Guayadeque as my music player but it does not appear as an option in the drop-down menu?https://i.stack.imgur.com/WHMIg.jpgimage


As far as I know, if your app isn't shown in one of these drop-downs, it means that the app hasn't been properly registered in your system. You have to register your app in the system and create a [your-app-name].desktop file (those usually reside in /usr/share/applications or /local/share/applications directories).

A .desktop file is actually a text file, so you can open and edit it in any text editor. Among other things, a .desktop file should contain a Categories line, which states the category of the app (one or several), which helps the system to properly categorize the app. For instance, for a music player this line usually looks like this:


If Guayadeque already has a .desktop file, please check if it contains the Categories line.

On how to register apps and create .desktop files in Ubuntu you can refer to this tutorial.

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