Some rpm binary installs insist on putting programs in /opt (such as the KDE desktop (http://www.kde.org) and cannot be redirected elsewhere.
Conclusion: Bluetooth under Linux (or at least KDE) is pretty flaky.
What do you think is still badly missing in KDE?
How do I configure my system so that I can use my PS/2 mouse and keyboard with KDE?
Apple uses widgets in their Dashboard while any KDE desktop environment houses Plasmoids for the workspaces in Ubuntu and similar operating systems.
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