Introduction to Kinuxota OTA

Kinuxota is a comprehensive Over-The-Air (OTA) update system designed for IoT devices, consisting of two main components:

System Overview

Kinuxota OTA provides a complete solution for managing IoT devices, enabling remote updates, command execution, and monitoring. The system consists of:

  1. Client: A C++ library that runs on IoT devices to handle updates and commands

  2. Web Dashboard: A web application for managing devices, updates, and commands

Key Features

Device Management

  • Register and manage IoT devices

  • Monitor device status and health metrics

  • Organize devices into groups for bulk operations

Command Execution

  • Send commands to individual devices or groups

  • View command execution results in real-time

  • Schedule commands for future execution

Script Management

  • Create and deploy scripts to devices

  • Execute scripts remotely

  • Monitor script execution and results

Package Management

  • View installed packages on devices

  • Install, update, and remove packages remotely

  • Track package versions across your device fleet

OTA Updates

  • Deploy firmware updates to devices

  • Monitor update progress

  • Schedule updates for maintenance windows

System Architecture

Client

The client component is a C++ library that runs on IoT devices and provides:

  • Device registration and authentication

  • Command execution

  • OTA update functionality

  • Package management

  • Health monitoring

  • Logging

Web Dashboard

The web dashboard is a full-stack web application that provides:

  • User interface for managing devices

  • GraphQL API for frontend communication

  • REST API for device communication

  • MQTT broker for real-time messaging

The Web Dashboard offers the following capabilities:

  • User Registration and Login

  • Dashboard Overview

  • Device Management

  • Script Management

  • Package Management

  • Command Execution

  • User Settings and Account Management

Communication Protocols

Kinuxota uses a hybrid communication approach:

  • MQTT: For real-time command reception, status updates, and event notifications

  • HTTP: For device authentication, registration, update checking, and fallback communication

Security Model

Kinuxota implements a robust security model:

  • User Authentication: JWT-based authentication for dashboard users

  • Device Authentication: API key-based authentication for devices

  • HTTPS: Secure communication between devices and the server

  • MQTT Security: Authentication and optional TLS encryption for MQTT communication