nethogs software package provides Net top tool grouping bandwidth per process, 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 nethogs
nethogs is installed in your system.
Make ensure the nethogs package were installed using the commands given below,
$ sudo dpkg-query -l | grep nethogs *
You will get with nethogs package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | nethogs |
| Version | 0.8.0-1 |
| Description | Net top tool grouping bandwidth per process |
| Sub Section | Net |