Anything that does the job is good enough. At its core a server is just a regular PC with a dedicated purpose and software. Sure, there are specialized hardware better suitable and purpose built, but it’s not a requirement.

I for one prefer 19" rackmount stuff with disk bays in the front, but that’s more of a convenience than anything.

UPS is nice, but it’ll work without it.

I’ve had to deal with the Brazilian computer market and how it’s ridiculously overpriced due to import fees, so in your situation I’d just get any hand-me-down computer. Servers generally don’t require much unless you’re doing something special or intensive.

Get your hands on whatever you can find for free or dirt cheap (laptop or desktop doesn’tmatter), install linux, and you have a basic setup that you can work with. If your use case requires more, then that’s something you can accommodate in the next iteration of your server.

To anyone in my jury: I just got back from the store and realized I had forgotten something. I’ll live without it.

A huge tape archive in a mountain. It’s pretty standard for geophysical data. I have some (encrypted) personal stuff on a few tapes there.

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