python-pymodbus software package provides full Modbus protocol implementation, 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 python-pymodbus
python-pymodbus is installed in your system.
Make ensure the python-pymodbus package were installed using the commands given below,
$ sudo dpkg-query -l | grep python-pymodbus *
You will get with python-pymodbus package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Python |
| Package | python-pymodbus |
| Version | 1.2.0-2 |
| Description | full Modbus protocol implementation |
| Sub Section | Python |