gregoriotex software package provides LuaTeX style for Gregorian chant scores, 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 gregoriotex
gregoriotex is installed in your system.
Make ensure the gregoriotex package were installed using the commands given below,
$ sudo dpkg-query -l | grep gregoriotex *
You will get with gregoriotex package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | X Window System software |
| Package | gregoriotex |
| Version | 2.3-1 |
| Description | LuaTeX style for Gregorian chant scores |
| Sub Section | x11 |