publicsuffix software package provides accurate, machine-readable list of domain name suffixes, 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 publicsuffix
publicsuffix is installed in your system.
Make ensure the publicsuffix package were installed using the commands given below,
$ sudo dpkg-query -l | grep publicsuffix *
You will get with publicsuffix package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | publicsuffix |
| Version | 20130603-1 |
| Description | accurate, machine-readable list of domain name suffixes |
| Sub Section | Net |