libnuclient-dev software package provides The authenticating firewall [client development files], 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 libnuclient-dev
libnuclient-dev is installed in your system.
Make ensure the libnuclient-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libnuclient-dev *
You will get with libnuclient-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | libnuclient-dev |
| Version | 2.4.3-3 |
| Description | The authenticating firewall [client development files] |
| Sub Section | Net |