nast software package provides packet sniffer and lan analyzer, 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 nast
nast is installed in your system.
Make ensure the nast package were installed using the commands given below,
$ sudo dpkg-query -l | grep nast *
You will get with nast package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | nast |
| Version | 0.2.0-6 |
| Description | packet sniffer and lan analyzer |
| Sub Section | Net |