[tavoc]

Kali is a ubuntu based distro. It should work.
As which user are you working? Usually it is root with kali. Therefore you dont need sudo.

For ppa do: apt-get install python-software-properties


for add-apt-repository: look in /etc/apt/sources.list and add in by yourself


Or look for: http://www.blackmoreops.com/2014/02/21/k...epository/

Ahem...Kali is a Debian distro...

Yeah,, back then it was called Backtrack,which was based on Ubuntu. Kali ist debian ofc, and Kali 2 is a rolling modell....