libgtk2-appindicator-perl software package provides Perl bindings for libappindicator, 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 libgtk2-appindicator-perl
libgtk2-appindicator-perl is installed in your system.
Make ensure the libgtk2-appindicator-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgtk2-appindicator-perl *
You will get with libgtk2-appindicator-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libgtk2-appindicator-perl |
| Version | 0.15-1build1 |
| Description | Perl bindings for libappindicator |
| Sub Section | Perl |