How to Configure Linux to Ask for a Password when Mounting Partitions

Step-by-Step Guide

1. 1

   Step 1: Open up the terminal.

   This can be done by pressing Ctrl+Alt+T.
   
   Then copy-paste the following text into the terminal: gksu gedit /var/lib/polkit­1/localauthority/10­vendor.d/com.ubuntu.desktop.pkla.
   
   Then press ↵ Enter.
   
   If nothing shows up in the opened document, you will need to navigate to /var → lib → polkit-1 → localauthority → 10-vendor.d and open the com.ubuntu.desktop.pkla document with a text editor.
   
   You will most likely be required to enter your administrative password during this step.
2. 2

   Step 2: Locate the fourth line of the document.

   This will be easier if you expand you window to the fullest.
   
   The forth line will look like ResultActive=yes. , Change the ResultActive=yes to ResultActive=auth_admin_keep. , Close the window, and when the text editor prompts, click Save.
3. 3

   Step 3: Edit the fourth line.

4. 4

   Step 4: Save the edited document.

Detailed Guide

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