FreedomBox is a private server for non-experts: it lets you install and configure server applications with only a few clicks. It runs on cheap hardware of your choice, uses your internet connection and power, and is under your control.
https://freedombox.org/
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https://ftp.freedombox.org/pub/freedombox/hardware/amd64/stable/freedombox-stable-free_buster_all-amd64.img.xz.sig