reaver software package provides brute force attack tool against Wifi Protected Setup PIN number, 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 reaver
reaver is installed in your system.
Make ensure the reaver package were installed using the commands given below,
$ sudo dpkg-query -l | grep reaver *
You will get with reaver package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | reaver |
| Version | 1.4-2 |
| Description | brute force attack tool against Wifi Protected Setup PIN number |
| Sub Section | Net |