Fixing the jarring terminal bell
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Assuming Cinnamon on Debian Sid, the terminal bell by default is a coarse, jarring sound that startles you whenever it goes off. This sound can be tested with `echo -ne 'x07'`. By default, Cinnamon's terminal bell is *disabled*, and it's the system bell you here. Turning on Cinnamon's bell can be done as such:

1. Open `dconf-editor`
2. Navigate to `org.cinnamon.desktop.wm.preferences`
3. Make sure that `audible-bell` is enabled
4. Make sure that `bell-sound` is set to something that sounds pleasant (check `/usr/share/sounds/freedesktop/stereo/bell.oga`)

At this point, the pleasant sound plays at the same time as the jarring one, the latter completely drowning out the former. Try `sudo modprobe -r pcspkr` to disable the jarring system sound. If that fixed it, you can make this change permanent by adding a file `/etc/modprobe.d/nobeep.conf`, containing the following:

    # Do not load the 'pcspkr' module on boot.
    blacklist pcspkr