Answer in a Raspberry Pi thread regarding rsync running as a daemon in the remote machine

Pis are very resourcefull tools. And one of their underdocumented features is a builtin hardware watchdog. This little hardware service will once enabled watch the system activity and automatically power cycle the Raspberry Pi once it gets stuck.

Article and video showing the improvements of the new Raspberry Pi 5 compared with the previous version 4, and including the new exposed PCIe port.

Beepy is a portable computing device, with a beautiful high contrast, high resolution display, and a tactile keyboard + touchpad, it is the ultimate everyday hacking gadget.
Powered by the Raspberry Pi Zero W (or any other compatible SBCs), you can use it as a chat device (supporting all chat networks on Beeper e.g. iMessage/WhatsApp/Signal/etc. ), or use it as a hackable handheld cyberdeck, running any Linux application that runs on the Pi.