install https://wkhtmltopdf.org/ lib
sudo apt install wkhtmltopdf
wkhtmltopdf http://google.com google.pdf wkhtmltopdf https://es.wikipedia.org/wiki/Internet exported-files/pdf-online-3.pdf
wkhtmltopdf index.html index.pdf
https://wkhtmltopdf.org/downloads.html https://wkhtmltopdf.org/usage/wkhtmltopdf.txt