nodes.md

master & worker node

Preparing the master & worker nodes - detailed

Update RPi 4 firmware, kernel and packages

Source: Raspberry Pi 4 boot EEPROM

• update system's package list

sudo apt update

• upgrade all installed packages to their latest versions

sudo apt full-upgrade -y

• select the stable bootloader release series

sudo sh -c 'echo FIRMWARE_RELEASE_STATUS=\"stable\" > /etc/default/rpi-eeprom-update'

• install current stable bootloader

sudo rpi-eeprom-update -a

• reboot

sudo reboot

Enable network boot

Source: Pi4 Bootloader Configuration

• extract configuration file

sudo cp /lib/firmware/raspberrypi/bootloader/stable/pieeprom-*-*-*.bin pieeprom.bin
sudo rpi-eeprom-config pieeprom.bin > bootconf.txt

• change BOOT_ORDER to be 0x21 instead of 0x1

sed -i s/0x1/0x12/g bootconf.txt

• apply the configuration change to the EEPROM image file

sudo rpi-eeprom-config --out pieeprom-netboot.bin --config bootconf.txt pieeprom.bin

• install the new EEPROM image and reboot

sudo rpi-eeprom-update -d -f ./pieeprom-netboot.bin
sudo reboot