Developing Applications For Linux (LFD401) Training Course

Introduction

•  Learning Objectives
•  Your Background
•  The Linux Foundation
•  Linux Foundation Training
•  Certification Programs and Digital Badging
•  Linux Distributions
•  Supported Platforms
•  System Preparation
•  Utilizing and Downloading Virtual Machines
•  Evolution in Linux

Foundations

•  Procedures
•  Standards and the LSB (Linux Standard Base)

Contributing to Open Source Software (OSS) Projects **

•  Overview of Effective Contribution Strategies
•  Staying Aligned with Mainline for Security and Quality
•  Understanding the Project's Core Principles
•  Identifying Areas for Improvement
•  Identifying Maintainers and Their Workflows
•  Seeking Early Feedback and Working Transparently
•  Submitting Incremental Contributions Rather Than Large Code Dumps
•  Maintaining Professionalism: Avoiding Thin-Skinned Reactions
•  Building Long-Term Relationships Through Patience and Helpfulness

Compilers

•  GCC (GNU Compiler Collection)
•  Alternative Compilers
•  Key gcc Options
•  The Preprocessor
•  Integrated Development Environments (IDE)
•  Practical Labs

Libraries

•  Static Libraries
•  Shared Libraries
•  Linking to Libraries
•  Dynamic Linking Loader
•  Practical Labs

Make

•  Utilizing make and Makefiles
•  Building Complex Projects
•  Advanced Rules
•  Built-in Rules
•  Practical Labs

Source Control

•  Source Control Overview
•  RCS and CVS
•  Subversion
•  git
•  Practical Labs

Debugging and Core Dumps

•  gdb
•  Understanding Core Dump Files
•  Generating Core Dumps
•  Analyzing Core Dumps
•  Practical Labs

Debugging Utilities

•  Timing Operations
•  Profiling and Performance Analysis
•  valgrind
•  Practical Labs

System Calls

•  System Calls vs. Library Functions
•  Mechanisms of System Calls
•  Return Values and Error Codes
•  Practical Labs

Memory Management and Allocation

•  Memory Management Concepts
•  Dynamic Allocation
•  Optimizing malloc()
•  Locking Pages
•  Practical Labs

Files and Filesystems in Linux **

•  Files, Directories, and Devices
•  The Virtual File System
•  The ext2/ext3 Filesystem
•  Journaling Filesystems
•  The ext4 Filesystem
•  Practical Labs

File I/O

•  UNIX File I/O
•  Opening and Closing Files
•  Reading, Writing, and Seeking
•  Positional and Vector I/O
•  Standard I/O Library
•  Large File Support (LFS)
•  Practical Labs

Advanced File Operations

•  Stat Functions
•  Directory Functions
•  inotify
•  Memory Mapping
•  flock() and fcntl()
•  Creating Temporary Files
•  Other System Calls
•  Practical Labs

Processes  I

•  Understanding Processes
•  Process Limits
•  Process Groups
•  The proc Filesystem
•  Inter-Process Communication Methods
•  Practical Labs

Processes  II

•  Creating Processes via system()
•  Creating Processes via fork()
•  Creating Processes via exec()
•  Using clone()
•  Process Termination
•  Constructors and Destructors
•  Waiting for Processes
•  Daemon Processes
•  Practical Labs

Pipes and Fifos

•  Pipes and Inter-Process Communication
•  popen() and pclose()
•  pipe()
•  Named Pipes (FIFOs)
•  splice(), vmsplice(), and tee()
•  Practical Labs

Asynchronous I/O**

•  Understanding Asynchronous I/O
•  The POSIX Asynchronous I/O API
•  Linux Implementation Details
•  Practical Labs

Signals  I

•  Understanding Signals
•  Available Signals
•  Signal Dispatching
•  Alarms, Pausing, and Sleeping
•  Setting Up Signal Handlers
•  Signal Sets
•  sigaction()
•  Practical Labs

Signals  II

•  Reentrancy and Signal Handlers
•  Jumping and Non-Local Returns
•  siginfo and sigqueue()
•  Real-Time Signals
•  Practical Labs

POSIX Threads  I

•  Multithreading in Linux
•  Basic Program Structure
•  Creating and Destroying Threads
•  Signals and Threads
•  Forking vs. Threading
•  Practical Labs

POSIX Threads  II

•  Deadlocks and Race Conditions
•  Mutex Operations
•  Semaphores
•  Futexes
•  Conditional Operations
•  Practical Labs

Networking and Sockets

•  Networking Layers
•  Understanding Sockets
•  Stream Sockets
•  Datagram Sockets
•  Raw Sockets
•  Byte Ordering
•  Practical Labs

Sockets  Addresses and Hosts

•  Socket Address Structures
•  Converting IP Addresses
•  Host Information
•  Practical Labs

Sockets  Ports and Protocols

•  Service Port Information
•  Protocol Information
•  Practical Labs

Sockets  Clients

•  Basic Client Sequence
•  socket()
•  connect()
•  close() and shutdown()
•  UNIX Client
•  Internet Client
•  Practical Labs

Sockets  Servers

•  Basic Server Sequence
•  bind()
•  listen()
•  accept()
•  UNIX Server
•  Internet Server
•  Practical Labs

Sockets  Input/Output Operations

•  write(), read()
•  send(), recv()
•  sendto(), recvfrom()
•  sendmsg(), recvmsg()
•  sendfile()
•  socketpair()
•  Practical Labs

Sockets  Options

•  Getting and Setting Socket Options
•  fcntl()
•  ioctl()
•  getsockopt() and setsockopt()
•  Practical Labs

Netlink Sockets**

•  Understanding Netlink Sockets
•  Opening a Netlink Socket
•  Netlink Messages
•  Practical Labs

Sockets  Multiplexing and Concurrent Servers

•  Multiplexed and Asynchronous Socket I/O
•  select()
•  poll()
•  pselect() and ppoll()
•  epoll
•  Signal-Driven and Asynchronous I/O
•  Concurrent Servers
•  Practical Labs

Inter-Process Communication

•  IPC Methods
•  POSIX IPC
•  System V IPC**
•  Practical Labs

Shared Memory

•  Understanding Shared Memory
•  POSIX Shared Memory
•  System V Shared Memory**
•  Practical Labs

Semaphores

•  Understanding Semaphores
•  POSIX Semaphores
•  System V Semaphores**
•  Practical Labs

Message Queues

•  Understanding Message Queues
•  POSIX Message Queues
•  System V Message Queues**
•  Practical Labs