libbuilder-ruby1.9.1 software package provides Transitional package for ruby-builder, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libbuilder-ruby1.9.1
libbuilder-ruby1.9.1 is installed in your system.
Make ensure the libbuilder-ruby1.9.1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libbuilder-ruby1.9.1 *
You will get with libbuilder-ruby1.9.1 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Ruby |
| Package | libbuilder-ruby1.9.1 |
| Version | 3.0.0-2 |
| Description | Transitional package for ruby-builder |
| Sub Section | Ruby |