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I'm looking for a GUI application which works as nicely as Ubuntu's system settings, except that it lets me remove some of the items in it without the whole thing crashing.

In the current GUI, removing one of the modules (for devices like bluetooth, printers) has -in the past- made the whole system settings (GUI) application disappear.

I want to make it more difficult for anyone to use such devices (printer, bluetooth) through my computer (until -if ever- I decide otherwise).

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  • I am afraid I have no idea what you mean; how: remove one of the devices? From the launcher?
    – Jacob Vlijm
    Feb 27, 2015 at 7:20
  • I edited it. I hope it's clearer. Is it? (@Jacob Vlijm) Thanks.
    – aksub
    Feb 27, 2015 at 7:24
  • I think I got it, you want to remove items from the settings manager (System settings >), not from Unity. The crashing is obviously not the "normal behaviour. maybe worth to try to fix it?
    – Jacob Vlijm
    Feb 27, 2015 at 7:27
  • Hm. Not sure. I thought there'd be another program wich didn't crash. Didn't know it was NOT the usual behavior, but saw others asking similar questions, so I figured I wasn't the only one having problems with that part of System Settings. A plain "no" might do for an answer :) Thanks, though.
    – aksub
    Feb 27, 2015 at 7:33
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    Yes. (@Sneetsher) I guess that's what that's called...just to make it more difficult for anyone to use such devices (printer, bluetooth) through my computer.
    – aksub
    Feb 28, 2015 at 21:45

1 Answer 1

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  • unity-control-center relys on .desktop files and their commands existence to show UI modules.

    1. That's what I got from tracing it.

      strace -o Desktop/trace_control_center.txt unity-control-center

    2. Click on printer then close it

    3. Check for operations: stat,if successful followed by open, itself if successful followed by read

      grep -i printer Desktop/trace_control_center.txt

  • So, Just remove their .desktop file or change its permission:

    sudo chmod -r /usr/share/applications/unity-bluetooth-panel.desktop
sudo chmod -r /usr/share/applications/system-config-printer.desktop

    BTW, unity-control-center is forked from gnome-control-center, same as unity-settings-daemon from gnome-settings-daemon. You may have both on same system:

    sudo chmod -r /usr/share/applications/gnome-bluetooth-panel.desktop

    Printer configuration wizard is common.

  • Or you may instead change commands permission, if you want to disable both GUI/CLI:

    sudo chmod -x /usr/bin/system-config-printer
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