Development of a Methodology for Customizing Insider Threat Auditing on a Linux Operating System ab 21.99 EURO
Development of a Methodology for Customizing Insider Threat Auditing on a Linux Operating System: Air Force Institute of Technology (U. S. ). Graduate School of Engineering and Management, William T. Bai
Unlike some operating systems, Linux doesn´t try to hide the important bits from you-it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. In this completely revised second edition of the perennial best seller How Linux Works , author Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Inside, you´ll find the kind of knowledge that normally comes from years of experience doing things the hard way. You´ll learn: -How Linux boots, from boot loaders to init implementations (systemd, Upstart, and System V) -How the kernel manages devices, device drivers, and processes -How networking, interfaces, firewalls, and servers work -How development tools work and relate to shared libraries -How to write effective shell scripts You´ll also explore the kernel and examine key system tasks inside user space, including system calls, input and output, and filesystems. With its combination of background, theory, real-world examples, and patient explanations, How Linux Works will teach you what you need to know to solve pesky problems and take control of your operating system.
In order to thoroughly understand what makes Linux tick and why it works so well on a wide variety of systems, you need to delve deep into the heart of the kernel. The kernel handles all interactions between the CPU and the external world, and determines which programs will share processor time, in what order. It manages limited memory so well that hundreds of processes can share the system efficiently, and expertly organizes data transfers so that the CPU isn´t kept waiting any longer than necessary for the relatively slow disks. The third edition of Understanding the Linux Kernel takes you on a guided tour of the most significant data structures, algorithms, and programming tricks used in the kernel. Probing beyond superficial features, the authors offer valuable insights to people who want to know how things really work inside their machine. Important Intel-specific features are discussed. Relevant segments of code are dissected line by line. But the book covers more than just the functioning of the code; it explains the theoretical underpinnings of why Linux does things the way it does. This edition of the book covers Version 2.6, which has seen significant changes to nearly every kernel subsystem, particularly in the areas of memory management and block devices. The book focuses on the following topics:* Memory management, including file buffering, process swapping, and Direct memory Access (DMA)* The Virtual Filesystem layer and the Second and Third Extended Filesystems* Process creation and scheduling* Signals, interrupts, and the essential interfaces to device drivers* Timing* Synchronization within the kernel* Interprocess Communication (IPC)* Program executionUnderstanding the Linux Kernel will acquaint you with all the inner workings of Linux, but it´s more than just an academic exercise. You´ll learn what conditions bring out Linux´s best performance, and you´ll see how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments. This book will help you make the most of your Linux system.
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Teaches you exactly how program memory content and organization is vital for computer security, especially Unix-like operating systems. You will learn how it is manipulated to take control of a computer system, as well as the countermeasures that system designers set up to avoid this. Neither a guide for hackers nor an all-out theory book, this book is ideal for anyone studying computer security who wants to learn by doing. Using a practical approach, you will understand how stack frames relate to hardware and software theory and the various GNU/Linux distributions, before moving on to Base 2, 8 and 16 notations, executables and libraries. Lastly you will go in-depth to understand the intricacies of stack frames. A vital resource for all computer security students and enthusiasts, add Stack Frames: A Look Inside to your library today. What You Will Learn In-depth knowledge on activation records of functions, and how this information can be used. A better understanding on how conventions used by compilers work. Clarify some concepts on libraries and their relationship with executable programs. Get, or recall, technical skills using compilers, debuggers, and other tools. Who This Book Is For The book is suitable for college students with a good knowledge of the C language, who are interested in deepening their study of the content and organization of program memory, namely the activation records of functions, as regards possible implications in computer security. A basic knowledge of both the Assembly language and the UNIX operating system is certainly helpful, as well as some practice with compilers and debuggers; but they are not compulsory. Giuseppe Di Cataldo is a software programmer from Catania, Italy. After having studied civil engineering at Catania University, he worked as a civil engineer for many years, then as a programmer, writing software for engineers. This led him to learn programming languages (notably Fortran, Pascal, C, Assembly) as well as to work on both Unix workstations and common PCs equipped with GNU/Linux OSs.
Dieses Buch zeigt am Beispiel der in der Szene bevorzugten Geräte, Möglichkeiten und Wege auf das Leistungsspektrum der voreingestellten Gerätesoftware gezielt um neue Funktionen zu erweitern. Aus dem Inhalt: Bessere Bildqualität durch hochskalierte PAL-Bilder, HDTV-nahe Bildqualität bei Sat-TV-Programmen, Alternative Module für Premiere, HD & Co. AlphaCrypt: Software-Update Schritt für Schritt, Alternative Multifunktions-CAMs, VPS-Signale beim Digital-TV, Risiken beim Einsatz von VPS, Digitalreceiver und Timerprogrammierung, Festplatte auf Receiverkompatibilität testen, Festplatte eines HD-Receivers austauschen, Vibrationskiller für zu laute Festplatten selbst gemacht, Softwareerweiterungen für den Sat-Receiver, Dreambox: Receiver auf Linux-Basis, Topfield: Begehrte Receiver vieler Freaks, Kathrein-Receiver gezielt tunen, Humax: Erweiterte Funktionen für Insider