policykit-desktop-privileges software package provides run common desktop actions without password, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install policykit-desktop-privileges
policykit-desktop-privileges is installed in your system.
Make ensure the policykit-desktop-privileges package were installed using the commands given below,
$ sudo dpkg-query -l | grep policykit-desktop-privileges *
You will get with policykit-desktop-privileges package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | policykit-desktop-privileges |
| Version | 0.17 |
| Description | run common desktop actions without password |
| Sub Section | Admin |
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