Running PMS on Linux requires the basic Linux admin skills.
We’re here to help but, please understand, we’re not equipped to teach.
We have a number of How-To guides (step by step) which will help you.
If you’re a quick study, given linux follows a pattern, you’ll start to piece it together quickly.
In support of that, any of the Linux tutorials / Commands Cheatsheet an admin should know (google) will be invaluable.
we also have a fairly extensive support pages on how to get things going.
Type “Installation” in the search and scroll down to Linux.
That’ll get you started.
Then, when you want to move that metadata to an external HDD, there’s a collection of Linux How-To’s (Linux Tips & Tricks) to get things done.