libncap44 software package provides network capture 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 libncap44
libncap44 is installed in your system.
Make ensure the libncap44 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libncap44 *
You will get with libncap44 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libncap44 |
| Version | 1.9.2-1build1 |
| Description | network capture library |
| Sub Section | libs |