I am using Ubuntu 11.10 (64 bits) and I do not want to mount automatically USB thumb drives in my system. I tried the command dconf-editor and gconf-editor but there isn't the icon to disable it in nautilus preferences (apps|nautilus|preferences|media_automount).



You first need to install dconf editor in Software Center. In my case it shows remove because I have already installed it

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Then you need to open dconf editor via Dash

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Then goto org.gnome.desktop.media-handling

You will find automount checkbox on right hand side. Uncheck it

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If you prefer not to install anything extra in your system. You can use gsettings to change dconf keys.

To disable Nautilus automount use this command in a terminal

gsettings set org.gnome.desktop.media-handling automount false

To enable it again open a terminal and use this command

gsettings set org.gnome.desktop.media-handling automount true
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    I have "defaced" you answer with terminal instructions just in case a user does not want to install dconf-tools in his system, hope that is OK with you. – Bruno Pereira Feb 9 '12 at 9:43
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    @BrunoPereira LOL! @ "Defaced". I always believe in providing graphical instructions – Manish Sinha Feb 9 '12 at 13:19
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    Agreed, nothing wrong there, its just an extra that did not deserve to be all by it self ;) – Bruno Pereira Feb 9 '12 at 14:34
  • useful instruction :) – BlueBird Sep 2 '14 at 5:40
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    @BrunoPereira +1, good job, personally I didn't want to install a GUI tool for such simple task :) – dariush Sep 21 '15 at 8:51

Install dconf-tools, and run dconf-editor. Then see in dconf-editor, key

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    If you don't already have dconf-editor installed you can find it in the Software Center. – Tom Brossman Dec 20 '11 at 16:48

I believe you can find dconf-editor is part of dconf-tools. If you search for dconf, it should show up.

The key is under org. As posted, dig down to org.gnome.desktop.media-handling/automount.

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