Prereq is Raspbian Jessie Lite

Add the following line to your /etc/apt/sources.list:

deb http://download.telldus.com/debian/ stable main

Download and register Telldus public key

$ wget -q http://download.telldus.com/debian/telldus-public.key -O- | sudo apt-key add -

The key fingerprint is

$ 70C4 10C9 D73D 53E8 38B3 1C58 5A94 9181 E501 EA76
Telldus Technologies AB <info.tech@telldus.se>

Update the repository

$ sudo apt-get update

Install telldus-core and FTDI USB driver

$ sudo apt-get install telldus-core libtelldus-core-dev libftdi1

Reboot

$ sudo init 6