raspberrypi-ota's Introduction

Raspberry Pi OTA Mechanism

A mechanism to update Raspberry Pi OS image by Pi itself. To achieve updating Raspberry Pi software without removing SD card.

Instructions

WARNING: This project just an idea and only test on RaspiOS from 2021-03-04 to 2021-05-07. Do not try this instructions on your important OS image.

Copy this project and Raspberry Pi OS image to Raspberry Pi. Run the following commands:

$ cp <your raspios.img> rasberrypi-ota/
$ cd raspberrypi-ota
$ sudo ./ota.sh

It will takes much times. Please wait and do not poweroff. Suggest using debug port to monitor the progress.

Flowchart

OTA (Over-the-Air)

Over-the-air programming (OTA programming) refers to various methods of distributing new software, configuration settings, and even updating encryption keys to devices.

Initrd (Initial ramdisk)

Initrd (initial ramdisk) is a scheme for loading a temporary root file system into memory, which may be used as part of the Linux startup process.

Busybox

BusyBox is a software suite that provides several Unix utilities in a single executable file.

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raspberrypi-ota's Issues

Cannot Provide an OTA Update to latest Raspberry Pi OS

Greetings,

We appreciate your work on providing OTA Updates to Raspberry pi. It is working as expected for older versions of Raspbian OS. However, We are targeting new OS versions to be upgraded. Could you please provide a brief procedure on how to do so.

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