kismet software package provides wireless sniffer and monitor - core, 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 kismet
kismet is installed in your system.
Make ensure the kismet package were installed using the commands given below,
$ sudo dpkg-query -l | grep kismet *
You will get with kismet package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | kismet |
| Version | 2013.03.R1b-3 |
| Description | wireless sniffer and monitor - core |
| Sub Section | Net |