Linux kernel programming: a comprehensive and practical guide to kernel internals

藉由實用工具與進階技術，對Linux kernel與kernel模組進行有效除錯! Linux kernel是世界公認最好的作業系統核心。但是要對kernel進行除錯，則是一件相當複雜的工作。本書是學習一切高階kernel除錯的全面性指南。深入涵蓋許多領域，例如基於工具的除錯（debug）技術（printk與動態除錯框架），並展示如何使用Kprobes。涉及記憶體的bug往往是一場惡夢，我們用兩個章節的篇幅來講解針對記憶體除錯的工具與技術。當kernel賞你一個Oops時，該如何準確地解讀才能解開最根本的問題呢？這本書提供了解答。 並行性（concurrency）往往是一個複雜的主題，本書能幫助你確切地了解何謂資料競爭（data race），包括使用KCSAN來檢測這類問題。還有一些棘手的問題，無論是在除錯還是效能方面，都需要詳細的kernel層級追蹤；你將學習到如何使用Ftrace及其前端（frontend）的強大功能，還將會知道如何在kernel內部的GDB工具（KGDB）與許多其他工具，用於處理kernel lockup、hangs與可怕的kernel panic。 讀完本書，你將能掌握各種強大的kernel debug工具與技術，以及具有在何時間點使用適當工具和技術的敏銳能力。 你將學到的內容： *探索基於工具的printk，以及功能強大的動態除錯框架（dynamic debug framework） *使用靜態與動態的Kprobes，trap kernel/module 的函式 *使用KASAN、UBSAN、SLUB debug 和kmemleak捕捉kernel 的記憶體問題 *深入解譯Oops，並精準識別程式碼的行號位置 *了解資料競爭，並使用KCSAN捕捉難以捉摸的並行性（concurrency）問題 *利用Ftrace與trace-cmd詳細追蹤kernel流程 *撰寫自訂的kernel panic handler（處理常式），並檢測kernel lockup與hands *使用 KGDB 單步執行，以及 debug kernel/module 的原始碼

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本書橫跨軟體與硬體兩個領域，強調系統性理解與模組化設計的實踐應用，對於驅動開發工程師、BSP 工程師、SoC 架構設計者及核心開發者皆提供可立即落地的技術框架。★ Linux Kernel 6.6 深度解析★ SoC 系統級晶片開發實戰★ 處理程序管理與記憶體調度★ 中斷控制器與裝置模型剖析★ 裝置樹原理與驅動開發指南★ 電源管理與 runtime PM 實作★ 時鐘控制與 Clock Subsystem 探究★ 高解析度計時器與時序同步★ bootloader 啟動流程詳解（U-Boot/SPL/ATF）★ SMP 負載平衡與行程排程機制★ IOMUX 與 GPIO Pin 控制模組★ 系統呼叫流程與核心態交互★ 記憶體碎片化與夥伴系統管理★ 心模組與 SoC 模組整合實戰透過對 Linux 與 SoC 結構的雙向深入，本書不僅能提升底層功力，也能有效幫助從業者突破視野與技術瓶頸！【章節介紹】本書共分為十三章，內容涵蓋Linux核心與SoC開發的核心知識。第一章 介紹記憶體管理，說明分頁機制、memblock初始化與分配器原理。第二章 講解處理程序管理，包含程序建立、do_fork實作與SMP排程策略。第三章 說明同步機制，包括自旋鎖、互斥鎖、RCU等常用方法。第四章 聚焦檔案系統，介紹ext4與VFS運作方式。第五章 探討系統呼叫，解析從使用者態到核心態的呼叫流程。第六章 說明SoC啟動過程，包含SPL、ATF、U-Boot及Kernel初始化。第七章 介紹裝置模型，講解匯流排、裝置與驅動的配對關係。第八章 解析裝置樹語法與裝置匹配流程。第九章 說明電源模組，涵蓋power domain與runtime PM設計。第十章 講解時鐘模組，包含時鐘框架與驅動實作。第十一章 介紹接腳模組，說明IOMUX控制與pinctrl驅動配置。第十二章 分析時間模組與計時器架構。第十三章 聚焦中斷模組，包含GIC硬體原理與IRQ處理邏輯，完整呈現Linux與SoC整合的技術全貌。

『如果你對Linux有興趣，那麼這本書絕對該在你的書單中。』 ─ LinuxInsider 『這本書充分介紹了Linux架構的每一個面向。』 ─ Everyday Linux User SYSTEMD 靈活運用 ｜ SUPERUSER 必讀之作 ★全新收錄★ ✔LVM、journald日誌系統和IPv6的實作 ✔新增「第17章」，專門討論虛擬化、容器和cgroup ✔systemd的延伸討論 Linux不像其他的作業系統，它不會對使用者隱瞞重要的資訊。反之，它讓你可以完全控制你的電腦──Linux會讓它的使用者掌控一切。但要真正掌握Linux，就必須理解這個作業系統的工作機制與內部結構，包括「系統是如何啟動(boot)的」、「網路是如何運作的」，以及「Linux的核心(kernel)實際上都做了些什麼」。 本書是暢銷書《How Linux Works》的第三版。作者Brian Ward再次深入這個深受喜愛的作業系統，對各個層面進行更詳盡、更深度的探討。任何對Linux內部運作感到好奇的讀者，都可以從中獲益。本書是作者多年專業知識的累積，第三版更新並強化許多知識，亦新增LVM(邏輯卷冊管理程式)、虛擬化、容器等內容。透過這本書，你將學到： ・Linux是如何啟動的，從開機載入程式(boot loader)到init (systemd) ・核心如何管理設備、設備驅動程式和程序 ・網路、介面、防火牆和伺服器的運作概念 ・開發工具的工作原理，以及它們與共享函式庫之間的關係 ・如何編寫出色的shell script 你還能探索Linux的核心，並檢查使用者空間程序中的關鍵系統任務，包括系統呼叫、輸入和輸出以及檔案系統維護。結合背景、理論、實際範例和詳盡的解釋，本書將教你「控制作業系統」所需的全部知識。

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With an increasing concern of personal data privacy in Hong Kong and around the world, the Office of the Privacy Commissioner for Personal Data (PCPD), Hong Kong publishes this third edition of Personal Data (Privacy) Law in Hong Kong: A Practical Guide on Compliance to provide practical guidance on the law of privacy, and the ways to protect personal data in everyday life.This third edition will guide readers through the recent developments of personal data privacy in the local, regional and global contexts with updates on recent Administrative Appeals Board and Court decisions, and investigation reports and materials from the PCPD. In addition, some most-concerned issues are discussed, such as ethical development and use of AI, the collection and use of personal data by employers during COVID-19, data protection under work-from-home arrangements, data security measures for ICT systems, guidelines on doxxing offences and data breach handling. This book will certainly provide readers a

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精通嵌入式Linux程式設計（第三版）（上） Mastering Embedded Linux Programming - Third Edition 首版熱銷數千本，佳評如潮！ 理解嵌入式Linux的必備之書！ 《Mastering Embedded Linux Programming》的最新加強版 我們日常生活中的許多電子裝置，都可以看見嵌入式Linux系統的蹤影：智慧型電視、Wi-Fi路由器、工業控制器及各種測試設備，所有這些裝置的核心都是Linux。Linux作業系統可以說是當今物聯網(IoT)的關鍵基礎技術之一。 本書將帶領你遍覽開發週期的每個環節，並深入環節中的每個階段，說明階段中的元件以及可利用的工具。從工具鏈、啟動載入器、Linux內核等基礎知識入手，逐步探索如何建立一個根目錄檔案系統，並學習使用Buildroot與Yocto Project這兩款在開發社群中最常見的組建系統，加速並自動化你的開發流程。 在此基礎之上，我們將一同探討如何妥善運用NAND/NOR以及管理型eMMC的快閃記憶體特性，以便延長裝置的使用壽命與建立可靠的線上更新機制。我們也會探討嵌入式Linux程式設計的種種議題，像是如何從應用程式存取硬體、如何開發多執行緒的程式、如何有效率地管理記憶體空間等。最後，我們將示範如何針對應用程式與內核進行除錯。我們將一起學習perf、Ftrace、LTTng、BPF等工具的使用方式，了解針對應用程式與內核進行剖析和追蹤的方法，迅速找到系統的效能瓶頸。 讀完本書，我們將能夠駕馭Linux系統，隨心所欲創造出靈活又穩健的嵌入式裝置。 【本書特色】 ・利用Yocto Project與Buildroot建立嵌入式Linux系統 ・處理組建過程中BitBake的異常問題，了解Yocto的組成與工作流程 ・使用Mender或balena建立既安全又可靠的IoT裝置更新機制 ・讀懂電路圖、修改硬體結構樹、熟悉針腳擴充板(breakout board)的焊錫作業，以此連接週邊裝置，並利用邏輯分析儀探查問題原因，快速打造出產品原型 ・不用編寫內核驅動程式也可以和硬體互動 ・利用BusyBox runit啟動系統常駐服務並進行監控 ・透過GDB對裝置進行遠端除錯，利用perf、Ftrace、eBPF、Callgrind等工具量測系統效能 ・上冊包含本書前15章，下

精通嵌入式Linux程式設計（第三版）（下） Mastering Embedded Linux Programming - Third Edition 首版熱銷數千本，佳評如潮！ 理解嵌入式Linux的必備之書！ 《Mastering Embedded Linux Programming》的最新加強版 我們日常生活中的許多電子裝置，都可以看見嵌入式Linux系統的蹤影：智慧型電視、Wi-Fi路由器、工業控制器及各種測試設備，所有這些裝置的核心都是Linux。Linux作業系統可以說是當今物聯網(IoT)的關鍵基礎技術之一。 本書將帶領你遍覽開發週期的每個環節，並深入環節中的每個階段，說明階段中的元件以及可利用的工具。從工具鏈、啟動載入器、Linux內核等基礎知識入手，逐步探索如何建立一個根目錄檔案系統，並學習使用Buildroot與Yocto Project這兩款在開發社群中最常見的組建系統，加速並自動化你的開發流程。 在此基礎之上，我們將一同探討如何妥善運用NAND/NOR以及管理型eMMC的快閃記憶體特性，以便延長裝置的使用壽命與建立可靠的線上更新機制。我們也會探討嵌入式Linux程式設計的種種議題，像是如何從應用程式存取硬體、如何開發多執行緒的程式、如何有效率地管理記憶體空間等。最後，我們將示範如何針對應用程式與內核進行除錯。我們將一起學習perf、Ftrace、LTTng、BPF等工具的使用方式，了解針對應用程式與內核進行剖析和追蹤的方法，迅速找到系統的效能瓶頸。 讀完本書，我們將能夠駕馭Linux系統，隨心所欲創造出靈活又穩健的嵌入式裝置。 【本書特色】 ・利用Yocto Project與Buildroot建立嵌入式Linux系統 ・處理組建過程中BitBake的異常問題，了解Yocto的組成與工作流程 ・使用Mender或balena建立既安全又可靠的IoT裝置更新機制 ・讀懂電路圖、修改硬體結構樹、熟悉針腳擴充板(breakout board)的焊錫作業，以此連接週邊裝置，並利用邏輯分析儀探查問題原因，快速打造出產品原型 ・不用編寫內核驅動程式也可以和硬體互動 ・利用BusyBox runit啟動系統常駐服務並進行監控 ・透過GDB對裝置進行遠端除錯，利用perf、Ftrace、eBPF、Callgrind等工具量測系統效能 ・上冊包含本書前15章，下

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本書採用了最新發行的Rocky Linux 9版本，作為教學版本。內容涵蓋了初學Linux所有的知識點，案例豐富生動，敘述由淺入深。 全書共9章，內容涵蓋了初學Linux所需的所有知識點，講解了Linux日常管理操作的方方面面，由淺入深，內容全面，案例豐富，實戰性強。從Linux系統的前世今生講起，詳細講解了Linux系統的特點和各個發行版本，以及作者的學習建議；使用虛擬機構建Linux學習環境，常用Linux工具軟件的使用，無人值守安裝及網絡安裝；Linux服務器在生產環境中的管理建議；Linux常用命令；文本編輯器Vim的使用與進階技巧；Linux源碼包與二進制包的安裝、升級、卸載及管理，軟件包部署的建議；Linux用戶和用戶組的管理命令、配置文件；Linux的權限管理，ACL訪問控制列表，系統特殊權限和文件屬性權限，管理員授權；Linux文件系統介紹，文件系統管理常用命令，系統分區規劃與操作等。 本書廣泛適用於各種基於Linux平臺服務部署及運維、開發的技術人員，以及計算機相關專業的學生，也是雲計算學習的必備入門書籍。

本書貫徹"做中學”的設計理念，通過實際的Linux命令操作案例貫徹始終，主要以Ubuntu為例進行操作演示。本書首先使用Ubuntu、CentOS、Rocky Linux、Debian等典型的Linux發行版作為載體，介紹了一般Linux的安裝方法，簡述了Linux常用的操作命令，以幫助讀者快速上手使用Linux。然後按照Linux的常用管理命令展開分類講解，每條命令並不是著重介紹其枯燥的使用語法，而是"邊操作、邊解釋”，既有命令的實操演示，又有其功能含義的詳細解釋，同時在操作過程中輔以大量具有針對性的文字說明，力求從多個角度減少讀者在學習過程中可能會遇到的疑難和困惑。此外，為了使讀者學以致用，本書還安排了Linux平臺上JDK的安裝、Tomcat的安裝、Python3的編譯安裝、Nginx服務器的安裝、MySQL的安裝、Docker的安裝與基本操作、CMS博客建站系統的搭建、Samba文件共享服務器的搭建、Ubuntu桌面開發環境的安裝這9個典型的應用案例，展示了如何將Linux應用到實際工作中。最後介紹了Linux的Shell腳本編程、crontab定時計劃任務、Linux內核及啟動過程等部分高級技術的內容，以方便讀者對Linux深層次的知識有一個基本的瞭解。

Discover how to fight plastic and become a #2minutesuperhero.Have you got 2 minutes? That's all the time it takes to become a #2minutesuperhero. Plastic is everywhere. It is in the rivers and it is in the sea. We need superheroes to fight plastic and help save our oceans!Read this essential book and find out how you can become a #2minutesuperhero by completing 50 missions to fight plastic at home, school and on your days out.Informative, practical and positive, this guide for children is written by Martin Dorey, anti-plastic campaigner and author of the bestselling No. More. Plastic. Martin is the founder of the Beach Clean Network and the #2minutebeachclean movement and believes that small actions add up to make a big difference.

多數孩子與青少年高度依賴社群媒體，網路資訊的正確性與網路活動的安全性是現今社會的重要問題。本書談及隱私權設定、網路霸凌及使用濾鏡影響對外表的認知。透過此讀本加強媒體識讀，提升使用社群的安全性。Empower your kids to stay safe online with this fun, comprehensive guide for kids aged 10+. Packed with entertaining illustrations alongside practical information, the Social Media Survival Guide answers questions about all aspects of social media - the good AND the bad - making it a must-have tool for young people (and parents) to help navigate the online world safely and confidently and learn the best approaches to taking care of themselves. Content includes:- In-depth coverage of a range of important a difficult issues young people face including: body image, appearance-enhancing filters, influencers, sexual content and mental health- Uses recognisable themes rather than platform specifics, making the content relevant long-term- Tips on how to set up accounts safely and best manage privacy and messaging settings- Addressing your persona, online reputation, and relationships- Understanding

Test Prep Books' CSCS Exam Prep 2022 - 2023: Study Guide Book with Practice Tests for the NSCA Certified Strength and Conditioning Specialist Assessment [5th Edition]Taking the CSCS test? Want to get a good score?Written by Test Prep Books, this comprehensive study guide includes: Quick OverviewTest-Taking StrategiesIntroductionStudy Prep Plan for the CSCS ExamExercise SciencesSport PsychologyNutritionExercise TechniqueProgram DesignOrganization and AdministrationTesting, Ongoing Monitoring, and Data EvaluationPractice QuestionsDetailed Answer ExplanationsDisclaimer: *CSCS(R) and Certified Strength and Conditioning Specialist(R) are registered trademarks of the National Strength and Conditioning Association. Neither this publication nor the publisher have any affiliation with, or any recognition, sponsorship, or endorsement by, the NSCA.Studying is hard. We know. We want to help. You can ace your test.Each part of the test has a full review. This study guide covers everything likely to

Connecting theory with real-life applications, this is the first ever textbook to equip students with a comprehensive knowledge of all the key concepts in bionanotechnology. By bridging the interdisciplinary gap from which bionanotechnology emerged, it provides a systematic introduction to the subject, accessible to students from a wide variety of backgrounds. Topics range from nanomaterial preparation, properties and biofunctionalisation, and analytical methods used in bionanotechnology, to bioinspired and DNA nanotechnology, and applications in biosensing, medicine and tissue engineering. Throughout the book, features such as 'Back to basics' and 'Research report' boxes enable students to build a strong theoretical knowledge and to link this to practical applications and up-to-date research. With over 200 detailed, full-colour illustrations and more than 100 end-of-chapter problems, this is an essential guide to bionanotechnology for any student studying this exciting, fast-developin

Focusing on the latest management trends, Transformational HRM Practices for Hong Kong provides HR professionals with a comprehensive and accessible guide to human resource management in Hong Kong. Wr

How to use the Design Thinking Tools A practical guide to make innovation happen The Design Thinking Toolbox explains the most important tools and methods to put Design Thinking into action. Based on the largest international survey on the use of design thinking, the most popular methods are described in four pages each by an expert from the global Design Thinking community. If you are involved in innovation, leadership, or design, these are tools you need.Simple instructions, expert tips, templates, and images help you implement each tool or method. Quickly and comprehensively familiarize yourself with the best design thinking toolsSelect the appropriate warm-ups, tools, and methodsExplore new avenues of thinkingPlan the agenda for different design thinking workshopsGet practical application tips The Design Thinking Toolbox help innovators master the early stages of the innovation process. Its the perfect complement to the international bestseller The Design Thinking Playbook.?

Move into iOS development by getting a firm grasp of its fundamentals, including the Xcode 10 IDE, Cocoa Touch, and the latest version of Apple's acclaimed programming language, Swift 5. With this tho

2018年TOEIC新制考題推薦用書Thorough and easy to use for both teachers and learners, TOEIC® Upgrade is a comprehensive guide to success in taking the TOEIC®. It includes the most up-to date information about re

The Triathlete’s Training Bible is the bestselling and most comprehensive guide available for aspiring and experienced triathletes. Joe Friel is the most trusted coach in the world and his proven tria

Perfect for revising Spanish Grammar offering a clear and easy-to-understand guide to the verbs and grammar of Spanish with hundreds of practical exercises. Designed for all those learning Spanish at

Bearspotting is a dangerous business – you ought to take it seriously, you know. So here’s what you need to know for starters – black bears are dangerous and black, brown bears are dangerous and brown. Although sometimes black bears can be a little brown, and brown bears can be a little black. Are you following? You really need to focus here. If you do, this guide will tell you all you need to know when walking in BEAR COUNTRY. Don’t leave home without it. Are you ready? Good! Let’s go ...A Beginner’s Guide to Bearspotting is the laugh-out-loud, essential guide for all would-be bearspotters. To be studied with due care and attention. Don’t say we didn’t warn you ...