I'm running Xubuntu 15.04 (vivid), and have a few KDE apps installed (kdevelop, konqueror). I would like to disable their notification sounds.
I know that this issue has been discussed before, and that KDE behaviour is usually managed through
systemsettings. I have installed the package, unfortunately there's only one entry,
Appearance → Application style.
So the question would be: How do I get the entry for managing the sounds? Or is there another way to disable the notification sounds?