libsss-sudo software package provides Communicator library for sudo, 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 libsss-sudo
libsss-sudo is installed in your system.
Make ensure the libsss-sudo package were installed using the commands given below,
$ sudo dpkg-query -l | grep libsss-sudo *
You will get with libsss-sudo package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libsss-sudo |
| Version | 1.11.5-1ubuntu3 |
| Description | Communicator library for sudo |
| Sub Section | libs |