libpam-systemd software package provides system and service manager - PAM module, 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-systemd
libpam-systemd is installed in your system.
Make ensure the libpam-systemd package were installed using the commands given below,
$ sudo dpkg-query -l | grep libpam-systemd *
You will get with libpam-systemd package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | libpam-systemd |
| Version | 204-5ubuntu20 |
| Description | system and service manager - PAM module |
| Sub Section | Admin |