I will add, I find the interfaces for these very obtuse, but there’s frontends like Ombi and Jellyseerr that let you more easily manage what you want to see.

https://github.com/alexta69/metube

This is doing enough of what I wanted for now…

https://getpublii.com/

It’s a GUI app that runs on your local system and pushes sites to a server.

How old are we talking? If the CPU is >10 years old and/or some kind of ARM, it may not have hardware encryption acceleration, which means it’ll happen in software. I did that once, it was horrible. lscpu |grep -i aes should probably tell you what you need to know.