To install qlprint you will need git and libpng-dev

1) git clone
   #+begin_src sh
git clone https://git.2e8.dk/qlprint ~/git/qlprint
   #+end_src
2) make
   #+begin_src sh
cd ~/git/qlprint
make
   #+end_src
3) execute
   #+begin_src sh
chmod +x ~/git/qlprint/build/qlprint
sudo mv ~/git/qlprint/build/qlprint /usr/local/bin/
   #+end_src