How to capture screenshots of a youtube live stream?

Question

YouTube

It is necessary to record screenshots of a live broadcast going to youtube with a frequency of 1 time per day, either by mail, or to google foto, or to a computer.
It is desirable that at once everything was in the clouds.
I have my own web hosting on nic.ru, I thought to run some kind of script on it, but I suspect that it will not work.
VLC doesn't want to stream from youtube.

Answer 1

Install youtube-dl
and try to do in terminal like this
As a result, the video and its screenshot will be downloaded.
Add to crowns and repeat as much as your resources and imagination allow.