ruby-em-spec software package provides BDD for Ruby/EventMachine, 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 ruby-em-spec
ruby-em-spec is installed in your system.
Make ensure the ruby-em-spec package were installed using the commands given below,
$ sudo dpkg-query -l | grep ruby-em-spec *
You will get with ruby-em-spec package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Ruby |
| Package | ruby-em-spec |
| Version | 0.2.6-2 |
| Description | BDD for Ruby/EventMachine |
| Sub Section | Ruby |