libparse-http-useragent-perl software package provides parser for the HTTP User Agent string, 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 libparse-http-useragent-perl
libparse-http-useragent-perl is installed in your system.
Make ensure the libparse-http-useragent-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libparse-http-useragent-perl *
You will get with libparse-http-useragent-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libparse-http-useragent-perl |
| Version | 0.39-1 |
| Description | parser for the HTTP User Agent string |
| Sub Section | Perl |