libpam-alreadyloggedin software package provides PAM module to skip password authentication for logged users, 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-alreadyloggedin
libpam-alreadyloggedin is installed in your system.
Make ensure the libpam-alreadyloggedin package were installed using the commands given below,
$ sudo dpkg-query -l | grep libpam-alreadyloggedin *
You will get with libpam-alreadyloggedin package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | libpam-alreadyloggedin |
| Version | 0.3-4 |
| Description | PAM module to skip password authentication for logged users |
| Sub Section | Admin |