librtai1 software package provides Real Time Application Interface (module source), 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 librtai1
librtai1 is installed in your system.
Make ensure the librtai1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep librtai1 *
You will get with librtai1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | librtai1 |
| Version | 3.9.1-4 |
| Description | Real Time Application Interface (module source) |
| Sub Section | libs |