I personally like the aloud.guru (rip Linux academy) videos. Though I don’t know how well they hold up for everyone. I had 8+ years of programming, web hosting, and Linux experience before ever watching that content; so my view point when watching them had a lot of holes already filled in.
Like one really big knowledge component is the Linux bit. I learned Linux long ago, just poorly how to run lamp stacks, and then I got leagues better by reading the PDF from this site: