Getting Started with Embedded Linux

Introduction

• Logging on to Linux
• Linux as a multi-user, multi-tasking operating system
• Accessing the command line (terminal and desktop)
• Accessing and using manual pages

Working with the command line and the shell

• Introduction to command shells
• Understanding command syntax
• Executing commands at the command line
• Common command line tasks
• Piping and redirection
• Managing user accounts
• Performing RPM and APT package related operations

Managing directories and files

• Understanding the filesystem hierarchy standard (FHS)
• Changing directories and listing directory contents
• Creating, viewing and appending files
• Copying and moving files and directories
• Creating directories
• Deleting files and directories
• Finding files on linux
• Managing file permissions and ownership

Basic use of the vi text editorUnderstanding and viewing processes

• Viewing processes from the command line
• Understanding the runlevel concept
• Multiuser processes, multitasking and multi-threading

Managing the network configuration

• Basic network configuration
• Overview of the network-related command-line tools

Managing user access and security

• Basic Linux user security features
• Managing Linux users and groups
• Managing and securing the linux user environment
• Securing files and directories with permissions

Setting up a linux file system

• An overview of the various types of Linux filesystems
• Overview of configuring linux filesystem partitions
• Overview of configuring and managing a linux file system
• Backing up and restoring a file system
• Working with Flash File Systems

Understanding System initialisation

• Overview of bootloaders and the Linux boot process
• Overview of run levels and system settings
• Overview of startup shell scripts and services

Connecting a system to the network

• Network components and architecture
• Configuring a network connection
• Configuring and managing routes
• Testing a network interface
• Enabling network services

Basic POSIX API Programming

• Terminal and File I/O
• Creating task and threads
• Working with pipes
• Introduction to memory mapping
• Overview of inter-process communication mechanisms and patterns

Understanding the Kernel Architecture

• Overview of the kernel architecture
• Interrupt handling
• Memory mapping
• Block, character and network devices
• Basic anatomy of a device driver
• How system calls work
• Loadable modules

Cross Compilation - Kernel and Application Building for Remote Targets

• The kernel configuration and build process explained
• Installing a kernel on a remote target
• Compiling and downloading applications to a remote target
• Block, character and network devices
• Introduction to JTAG and its uses
• Introduction to QEMU and its use to emulate other targets and embedded linux systems running on such targets

Driving hardware on the embedded target

• Detecting button presses
• Flashing LEDs
• Working with SD/MMC card file systems
• Pulse Width Modulation for power and basic motor control
• Measuring temperature using an I2C based temperature sensor