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umbrel
A beautiful home server OS for self-hosting with an app store. Buy a pre-built Umbrel Home with umbrelOS, or install on a Raspberry Pi 4, Pi 5, any Ubuntu/Debian system, or a VPS.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
No, to start a node you only need to run Bitcoin Core, and you can run it on your own computer; you don't need a separate hardware device.
https://getumbrel.com/ they make it really easy to do , they tell you what to buy from Amazon and give you a step by step guide to set it up
It can! They go hand in hand if you want to run them side by side. Nuts and bolts guide at: https://stadicus.github.io/RaspiBolt/ or use Umbrel, RaspiBlitz, etc for hands-off version(s).