Yocto & Embedded Linux Essentials Training in Cork, Ireland

This training provides a solid foundation in Embedded Linux development using the Yocto Project. Participants will learn how to build, customize, and deploy Linux distributions for embedded hardware. The course emphasizes practical skills such as creating custom images, managing layers and recipes, cross-compilation, and system customization for production-ready embedded devices.

Introduction to Embedded Linux

• Embedded Linux overview and use cases

• Linux system architecture

• Boot process: Bootloader → Kernel → RootFS

• Comparison with RTOS and bare-metal systems

Embedded Linux Development Environment

• Host system setup and prerequisites

• Toolchains and cross-compilation concepts

• Target hardware overview

• Development workflows

Yocto Project Fundamentals

• What is the Yocto Project

• Poky reference distribution

• Yocto architecture and components

• Build workflow overview

BitBake Build System

• BitBake concepts and commands

• Tasks, recipes, and metadata

• Variables and configuration files

• Build dependencies and task execution

Layers and Recipes

• Understanding layers (meta-layer concept)

• Creating and managing custom layers

• Writing and modifying recipes (.bb, .bbappend)

• Fetching source code and patching

Image and Root Filesystem Customization

• Image types and formats

• Adding and removing packages

• Customizing RootFS

• User, group, and permission management

Kernel and Bootloader Basics

• Linux kernel overview

• Kernel configuration and customization

• Bootloader basics (U-Boot overview)

• Integrating kernel and bootloader with Yocto

Device Support and Hardware Integration

• Board support packages (BSP)

• Device Tree basics

• Enabling peripherals and drivers

• Working with vendor BSP layers

Building, Flashing, and Deploying Images

• Image generation and artifacts

• Flashing images to target hardware

• Booting and validating the system

• Remote access and debugging basics

Debugging, Optimization & Best Practices

• Build-time and runtime debugging

• Logging and system analysis

• Image size and performance optimization

• Yocto best practices for production

Introduction to Package Management & Updates

• Package formats (ipk, rpm, deb)

• OTA update concepts

• Versioning and reproducible builds

• Security considerations

Hands-on Exercises

Summary and Conclusion