Descargando videos de youtube desde el CLI

sudo apt-get install youtube-dl

 Actualizamos para evitar errores al descargar videos encriptados

sudo pip install --upgrade youtube-dl

That will upgrade youtube-dl. If you get this message:

sudo: pip: command not found

try

sudo apt-get install python-setuptools
sudo easy_install pip
sudo pip install --upgrade youtube-dl

probamos

youtube-dl https://www.youtube.com/watch?v=vPTT3CBM8_s -c

http://askubuntu.com/questions/63270/how-do-i-download-a-youtube-video

http://askubuntu.com/questions/380438/cannot-update-youtube-dl

https://github.com/rg3/youtube-dl/blob/master/README.md