Raspberry Pi
Info
Currently I'm owning only a Raspberry PI 2 Model B from 2014. It is still (as of 2023) sufficient for running services like Pi-hole, E-MailRelay, etc.
Raspberry PI 2 Model B
Raspberry PI 2 Model B V1.1 (2014)
https://www.raspberrypi.com/products/raspberry-pi-2-model-b/
- 900MHz quad-core ARM Cortex-A7 CPU
- 1GB RAM
Raspbian OS
How to Install Raspbian for the Raspberry Pi - Pi My Life Up
Install it using RaspberryΒ PiΒ Imager.
Docker
Reliability
Considerations for a long-running Raspberry Pi β Chris Dzombak