[wnscooke]

Check out the wide breadth of tuts provided by Digital Ocean. This is just one post, misleadingly titled at that, whereas DO has LOADS of excellent and clearly explained tuts.

[nilslindemann]

You mean this? https://www.digitalocean.com/community/tutorials?q=VPS That's a confusing mess of buzzwords I never heard of.

[wnscooke]

Simple. Search for the terms you have heard of and about which you want to learn.