nlkt software package provides non-linear keyboard trainer, 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 nlkt
nlkt is installed in your system.
Make ensure the nlkt package were installed using the commands given below,
$ sudo dpkg-query -l | grep nlkt *
You will get with nlkt package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | X Window System software |
| Package | nlkt |
| Version | 0.3.2.2-1 |
| Description | non-linear keyboard trainer |
| Sub Section | x11 |