Multimedia
YouTube download
https://yt-dl.org/update
https://github.com/ytdl-org/youtube-dl/releases
wget -q https://github.com/ytdl-org/youtube-dl/releases/download/2019.04.30/youtube-dl -O /tmp/youtube-dl
sudo cp /tmp/youtube-dl /usr/local/sbin/
sudo chmod a+x /usr/local/sbin/youtube-dl
# download audio (mp3) only
youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" https://www.youtube.com/watch?v=foo
# download whole channel
youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" -v https://www.youtube.com/user/OpenStackFoundation/videos