bittwist software package provides libpcap-based Ethernet packet generator, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bittwist
bittwist is installed in your system.
Make ensure the bittwist package were installed using the commands given below,
$ sudo dpkg-query -l | grep bittwist *
You will get with bittwist package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | bittwist |
| Version | 1.1-1 |
| Description | libpcap-based Ethernet packet generator |
| Sub Section | Net |