ruby-gtk3-dbg software package provides GTK+ 3 bindings for the Ruby language (debugging symbols), 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-gtk3-dbg
ruby-gtk3-dbg is installed in your system.
Make ensure the ruby-gtk3-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep ruby-gtk3-dbg *
You will get with ruby-gtk3-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Debug packages |
| Package | ruby-gtk3-dbg |
| Version | 2.1.0-1 |
| Description | GTK+ 3 bindings for the Ruby language (debugging symbols) |
| Sub Section | debug |