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Scientists use Raspberry Pi tech to protect NASA telescope data
(www.theregister.com)
This is a most excellent place for technology news and articles.
Would you suggest that for a beginner? I like the whole pi-hole concept as a project and as an end to a means as well
I think as an initial go, I would recommend just getting raspbian/Linux in general onto a pi or other board, and messing with the CLI. Just having a pi and being comfortable trying things out is huge. Plus, with it being on a micro SD card, you can very easily break things and wipe the card and recreate your setup.