$ apt-get update
$ apt-get upgrade
$ apt-get install git
$ apt-get install ffmpeg
$ apt-get install python
$ apt-get install python-pip
$ git clone https://github.com/ITermSec/pytube.git
$ cd pytube
$ pip -r requirements.lst
$ youtube-dl -U
$ python pytube.py

$ apt update && apt upgrade
$ pkg update && pkg upgrade
$ pkg install git
$ apt install ffmpeg
$ pkg install python
$ git clone https://github.com/ITermSec/pytube.git
$ cd pytube
$ pip install -r requirements.lst
$ youtube-dl -U
$ python pytube.py