libuser software package provides user and group account administration library, 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 libuser
libuser is installed in your system.
Make ensure the libuser package were installed using the commands given below,
$ sudo dpkg-query -l | grep libuser *
You will get with libuser package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | libuser |
| Version | 1:0.56.9.dfsg.1-1.2ubuntu2 |
| Description | user and group account administration library |
| Sub Section | Admin |