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EdgeNet appliances

This repository contains the boot scripts for EdgeNet's bare metal nodes.

Odroid N2

N2 boards have three main memories:

  • A 8MB flash SPI with petitboot preinstalled
  • A eMMC slot
  • A SD slot

Our current boot procedure is as follows:

  1. petitboot loads the boot/odroid-n2.sh script from GitHub.
  2. The script fetch a minimal Ubuntu image and write it to the eMMC.
  3. petitboot boots from the eMMC.

This procedure is currently repeated on every boot.

Initial setup

  1. Set the MMC/SPI switch at the rear of the board to SPI
  2. Plug a keyboard and a screen, or connect via the serial port
  3. Plug an Ethernet cable and the power cord
  4. Initialize the hardware clock:
# Replace with the actual date and time
date -s "2022-06-08 21:59"
hwclock -w
  1. Set the boot script url:
fw_setenv petitboot,userscript https://odroid.edge-net.io/odroid-n2.sh

The provided URL is an alias to https://raw.githubusercontent.com/EdgeNet-project/hardware/main/boot/odroid-n2.sh

  1. Update petitboot (we require version 20220317 at-least):
pb-update
  1. Verify that the board runs the script

Debugging

journalctl -fu edgenet
journalctl -fu kubelet