pcaputils software package provides specialized libpcap utilities, 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 pcaputils
pcaputils is installed in your system.
Make ensure the pcaputils package were installed using the commands given below,
$ sudo dpkg-query -l | grep pcaputils *
You will get with pcaputils package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | pcaputils |
| Version | 0.8-1 |
| Description | specialized libpcap utilities |
| Sub Section | Net |