apt-get update -y && apt-get upgrade -y
apt-get install curl -y
curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
If you do not have curl, you can alternatively use a recent wget:
sudo wget https://yt-dl.org/downloads/latest/youtube-dl -O /usr/local/bin/youtube-dl
sudo chmod a+rx /usr/local/bin/youtube-dl
UPDATE Youtube-dl
youtube-dl -U
apt-get install software-properties-common -y
apt-get install ffmpeg -y
Create Symbolic Links python3 to python to recognize youtube-dl
ln -s /usr/bin/python3 /usr/local/bin/python
DOWNLOAD ONLY AUDIO MP3
youtube-dl –extract-audio –audio-format mp3 –format ‘bestaudio’ URL
DOWNLOAD NORMAL MP4
youtube-dl URL
DOWNLOAD HIGH RES MP4
youtube-dl -f ‘bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best’ URL
Source : https://ytdl-org.github.io/youtube-dl/index.html