youtube-dl

install youtube-dl

sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
sudo chmod a+rx /usr/local/bin/youtube-dl

install python

sudo apt-get install python2.7
sudo apt-get install python-is-python3

examples

extract audio

youtube-dl --extract-audio --audio-format mp3 --audio-quality 0 <video_url>

refs

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