Linux Under the Hood, 2nd Edition

سرفصل های دوره

Introduction

001. Linux Under the Hood Introduction

002. Linux Under the Hood Introduction

Lesson 1 Core Linux Elements

001. Learning objecties

002. 1.1 System Space and User Space, and How They are Related

003. 1.2 The Role of the Kernel

004. 1.3 Why the Root User is Unrestricted

005. 1.4 Driers, Kernel Modules, and Deice Files

006. 1.5 Glibc

007. 1.6 The Shell

008. 1.7 File Descriptors

009. Real-world Scenario Understanding the Root User

Lesson 2 The Linux Boot Procedure

001. Learning objecties

002. 2.1 The Boot Procedure from Firmware to Shell

003. 2.2 System Firmware UEFI and BIOS

004. 2.3 Managing UEFI Booting

005. 2.4 Bootloaders

006. 2.5 Where GRUB is Stored

007. 2.6 Configuring GRUB2

008. 2.7 Understanding and Modifying Initramfs

009. 2.8 Serice Managers

010. 2.9 Booting Cloud Linux Instances

011. 2.10 Accessing an Early Boot Shell

012. Real-world Scenario Recoering From a Lost MBR

Lesson 3 Looking Closer at the Kernel

001. Learning objecties

002. 3.1 Why Compiling Kernels isnt Necessary Anymore

003. 3.2 Kernel Generic Interfaces

004. 3.3 Managing and Tuning Kernel Modules

005. 3.4 The proc Pseudo Filesystem

006. 3.5 Using proc to get Detailed System Information

007. 3.6 Reading Process Information in proc

008. 3.7 Tuning the Kernel through procsys

009. 3.8 Testing Critical Features with sysrq

010. 3.9 Using Watchdogs

011. 3.10 eBPF

012. Real-world Scenario Automatically Recoering from System Hangs

Lesson 4 Systemd Taking Oer

001. Learning objecties

002. 4.1 Manually Starting Systemd

003. 4.2 Systemd Unit Files

004. 4.3 Tweaking Unit Files

005. 4.4 Mounting Filesystems with Systemd

006. 4.5 Using Sockets

007. 4.6 Scheduling Processes with Timers

008. 4.7 Analyzing Systemd Performance

009. 4.8 Adanced Dependency Handling

010. 4.9 Managing Resource Allocation Part 1

011. 4.10 Managing Resource Allocation Part 2

012. 4.11 Managing Resource Allocation Part 3

013. 4.12 Creating Custom Units

014. 4.13 Creating Custom Targets

015. 4.14 Running User Processes in Systemd

016. Real-world Scenario Booting without etcfstab

Lesson 5 Hardware Handling

001. Learning objecties

002. 5.1 Understanding Deice Nodes

003. 5.2 Initializing Deices Automatically or Manually

004. 5.3 Analyzing sysfs

005. 5.4 Systemd-uded

006. 5.5 Creating Ude Rules

007. Real-world Scenario Denying Unauthorized Deices

Lesson 6 Storage Deices

001. Learning objecties

002. 6.1 Linux Storage Deices

003. 6.2 Partitions MBR and GPT

004. 6.3 Managing Partitions

005. 6.4 Images and ISO Files

006. 6.5 Understanding Flexible Storage Solutions

007. 6.6 Managing LVM Logical Volumes

008. 6.7 Using LVM Features

009. 6.8 Deice Mapper

010. 6.9 Manually Creating Deice Mapper Storage

011. 6.10 LVM and VDO

012. 6.11 Stratis

013. 6.12 Creating Encrypted Deices

014. 6.13 Booting from Encrypted Deices

015. Real-world Scenario Creating a Hidden Storage Deice

Lesson 7 Filesystems

001. Learning objecties

002. 7.1 Filesystems and the VFS

003. 7.2 About POSIX and non-POSIX Filesystems

004. 7.3 Linux Filesystem Components

005. 7.4 Inodes and Block Allocation

006. 7.5 Sparse Files

007. 7.6 FUSE Filesystems

008. 7.7 Next-generation Filesystems

009. 7.8 Running ZFS on Linux

010. 7.9 Running Btrfs

011. 7.10 Using the Ext Filesystem Debugger

012. 7.11 Managing XFS IDs

013. Real-world Scenario Exploring Cool Filsystem Tools

Lesson 8 Cloud and Datacenter Storage

001. Learning objecties

002. 8.1 Storage Challenges in Cloud and Datacenter

003. 8.2 Working with SSD Media

004. 8.3 Understanding iSCSI

005. 8.4 Configuring iSCSI Storage

006. 8.5 Connecting the Initiator

007. 8.6 Object Storage

008. 8.7 Configuring a Ceph Cluster

009. 8.8 Configuring a Ceph Client

010. Real-world Scenario Ceph in Kubernetes

Lesson 9 Memory Management

001. Learning objecties

002. 9.1 Linux Memory Allocation Virtual s. Physical Memory

003. 9.2 Cache

004. 9.3 Actie and Inactie Memory

005. 9.4 The Need to Swap

006. 9.5 Configuring and Monitoring Swap Space

007. 9.6 Managing Huge Pages

008. 9.7 Managing Dirty Cache

009. 9.8 Out of Memory (OOM) and Dealing with it

010. 9.9 Analyzing Kernel Memory

011. Real-world Scenario Optimizing Memory Usage

Lesson 10 Processes

001. Learning objecties

002. 10.1 How a Process is Created

003. 10.2 Processes and Threads

004. 10.3 Killing a Zombie

005. 10.4 Priorities, Schedulers, and Nice Values

006. 10.5 Inter-process Communication, Sockets, Pipes, and More

007. 10.6 Communicating on the D-Bus Message Interface

008. 10.7 Monitoring IPC Usage

009. Real-world Scenario Cgroups and Priorities

Lesson 11 Linux Commands and How They Work

001. Learning objecties

002. 11.1 Exploring What Happens When Commands are Executed

003. 11.2 System Space and User Space

004. 11.3 Understanding System Calls

005. 11.4 How Processes get Access to System Calls

006. 11.5 How Process Memory is Organized

007. 11.6 Creating Processes

008. 11.7 Allocating Memory

009. 11.8 Accessing Libraries

010. 11.9 Analyzing Library Usage

011. Real-world Scenario Using exec for Troubleshooting

Lesson 12 Networking

001. Learning objecties

002. 12.1 Linux Network Deice Names

003. 12.2 The OSI Model

004. 12.3 Transforming Data into Packets

005. 12.4 Analyzing Packet Headers

006. 12.5 IP4 and IP6

007. 12.6 How Linux Chooses a Network Interface

008. 12.7 Analyzing and Optimizing Networking

009. 12.8 Bonding and Teaming

010. 12.9 Network Bridge Deices

011. Real-world Scenario Scanning Packets for Security

Lesson 13 Containers are Linux, Linux is Containers

001. Learning objecties

002. 13.1 Running an Application on Linux

003. 13.2 Running Applications in a Chroot Jail

004. 13.3 Managing Linux Process Resource Allocation

005. 13.4 Using unshare to run Namespaced Processes

006. 13.5 Running Linux Applications with Namespaces and Cgroups

007. 13.6 From Restricted Linux Applications to Containers

008. 13.7 Container Runtimes

009. 13.8 Systemd Containers

010. 13.9 Containers and the Future of Linux

011. Real-world Scenario Running Pure Linux Containers

Lesson 14 The Code Behind Linux

001. Learning objecties

002. 14.1 The C Programming Language

003. 14.2 Working Together in Git

004. 14.3 From Git Project to Linux Distributions

005. 14.4 C Programs From Source Code to Binary

006. 14.5 C and Libraries

007. 14.6 Compiling a C Program from a Makefile

008. Real-world Scenario Writing Your own Zombie

Module 1 Linux Architecture

001. Module introduction

Module 2 Storage and Filesystems

001. Module introduction

Module 3 Core Linux Components

001. Module introduction

Module 4 Key Linux Components

001. Module introduction

Summary

001. Linux Under the Hood Summary

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