home-hive

This repository contains NixOS configurations for a network of computers ("hive"). It uses Nix Flakes for reproducible builds and is managed with the help of the nix_configs flake.

Development

To enter a development shell with necessary tools, run:

nix develop

Raspberry Pi builds

The postpi-N computers.

Flash Images

1. Decompress the generated image: unzstd <image-file.zst>
2. Put the Raspberry Pi into flashing mode: sudo rpiboot
3. Write the image to the device: dd if=<decompressed image> of=/dev/sdX (replace sdX with the correct device)

Serial Console

Connect to the serial console using minicom:

minicom --color on --baudrate 115200 --device /dev/ttyUSB0

USB to Serial Adapter Wiring

• Red: Leave disconnected
• GND (Black): Pin 6
• TXD (White): GPIO 14 (Pin 8)
• RXD (Green): GPIO 15 (Pin 10)

Alternatively, you can connect with screen:

screen /dev/tty.??? 115200