libfwtsiasl1 software package provides FirmWare Test Suite ACPICA core built for iasl functionality, 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 libfwtsiasl1
libfwtsiasl1 is installed in your system.
Make ensure the libfwtsiasl1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfwtsiasl1 *
You will get with libfwtsiasl1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | libfwtsiasl1 |
| Version | 14.03.01-0ubuntu2 |
| Description | FirmWare Test Suite ACPICA core built for iasl functionality |
| Sub Section | devel |