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RASPBERRY PI 4 Setup

Instrucions to Setup Raspberry Pi 4

Table of Contents

  1. UBUNTU 20.04 LTS Installation
  2. WiFi Setup

UBUNTU 20.04 LTS Installation

The Raspberry Pi supports only the Ubuntu 20.04 Server version. This is a minimal version of Ubuntu with no GUI. This is fine for our purposes. But still you can install the GUI with a single line command.

  • Download the Ubuntu 20.04.5 LTS (Focal Fossa) server image from here.
  • User Etcher or Raspberry Pi Imager to flash the image to the SD card.
  • Insert the SD card into the Raspberry Pi and power it on.
  • Connect a Display, Keyborad and Mouse to Raspberry Pi. The default username is ubuntu and the default password is ubuntu.
  • The process will ask you to change the password. Change the password to something you can remember.
  • Connect the Raspberry Pi to the internet using an ethernet cable.
  • Run sudo apt update and sudo apt upgrade to update the packages.
  • Run sudo apt install ubuntu-desktop to install the GUI.
  • Reboot the Raspberry Pi with sudo reboot.
  • Now you should have a GUI and you can login with the username and password you set earlier.

WiFi Driver Setup

The Raspberry Pi 4 has an inbuilt WiFi module. But it has occasional spikes of latency and not relaible for our purposes. So we will use an external USB WiFi dongle. We use the EDUP AC600M USB Wi-fi Dongle over the 5GHz band.

We use the rtl8812au driver for the WiFi dongle.

  • In the Makefile we have changed the CONFIG_PLATFORM_I386_PC = y to CONFIG_PLATFORM_ARM_RPI = y. This is to build the driver for the Raspberry Pi.

Continue with instrucion in the Repo to install the driver.

WiFi Driver Setup (RTL8811CU)

link to repo