libpam-dbus software package provides A PAM module which asks the logged in user for confirmation, 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 libpam-dbus
libpam-dbus is installed in your system.
Make ensure the libpam-dbus package were installed using the commands given below,
$ sudo dpkg-query -l | grep libpam-dbus *
You will get with libpam-dbus package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | libpam-dbus |
| Version | 0.2.1-3 |
| Description | A PAM module which asks the logged in user for confirmation |
| Sub Section | Admin |