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Linux and UNIX Shell Programming

Learn how to create and develop shell scripts in a step-by-step manner increasing your knowledge as you progress through the book. Learn how to work the shell commands so you can be more productive and save you time.

This book will fully illustrate the ability of the shell to unlock the real potential of UNIX and Linux, and aims to get the reader up, running and creating robust shell scripts for real tasks and situations as quickly as possible - shell ...

Security Strategies in Linux Platforms and Applications

PART OF THE NEW JONES & BARTLETT LEARNING INFORMATION SYSTEMS SECURITY & ASSURANCE SERIES! Security Strategies in Linux Platforms and Applications covers every major aspect of security on a Linux system. Written by an industry expert, this book is divided into three natural parts to illustrate key concepts in the field. It opens with a discussion on the risks, threats, and vulnerabilities associated with Linux as an operating system using examples from Red Hat Enterprise Linux and Ubuntu. Part 2 discusses how to take advantage of the layers of security available to Linux—user and group options, filesystems, and security options for important services, as well as the security modules associated with AppArmor and SELinux. The book closes with a look at the use of both open source and proprietary tools when building a layered security strategy for Linux operating system environments. Using real-world examples and exercises, this useful resource incorporates hands-on activities to walk students through the fundamentals of security strategies related to the Linux system.

Security Strategies in Linux Platforms and Applications covers every major aspect of security on a Linux system. Written by an industry expert, this book is divided into three natural parts to illustrate key concepts in the field.

Automating UNIX and Linux Administration

Wouldnt you like to automate the tedious daily tasks of system administration? Automating UNIX and Linux Administration will show you how, by exploring existing tools and offering real-world examples. Although some of the book is Linux-specific, most of the information applies to any UNIX system, including material on automating tasks across multiple variants of UNIX. Author Kirk Bauer briefly overviews tools and technologiesand assumes preliminary knowledge about editing a configuration file or mounting a file system. The techniques, methods, and tools in this book will help you manage a single systembut will prove especially powerful across multiple systems. No matter if the systems are desktops, servers, or Beowulf clustersall of them will benefit from this automation. And managing five to five thousand systems will become a simpler task!

The techniques, methods, and tools in this book will help you manage a single systembut will prove especially powerful across multiple systems.

Linux iptables Pocket Reference

Firewalls, Network Address Translation (NAT), network logging and accounting are all provided by Linux's Netfilter system, also known by the name of the command used to administer it, iptables. The iptables interface is the most sophisticated ever offered onLinux and makes Linux an extremely flexible system for any kind of network filtering you might do. Large sets of filtering rules can be grouped in ways that makes it easy to test them and turn them on and off.Do you watch for all types of ICMP traffic--some of them quite dangerous? Can you take advantage of stateful filtering to simplify the management of TCP connections? Would you like to track how much traffic of various types you get?This pocket reference will help you at those critical moments when someone asks you to open or close a port in a hurry, either to enable some important traffic or to block an attack. The book will keep the subtle syntax straight and help you remember all the values you have to enter in order to be as secure as possible. The book has an introductory section that describes applications,followed by a reference/encyclopaedic section with all the matches and targets arranged alphabetically.

The book has an introductory section that describes applications,followed by a reference/encyclopaedic section with all the matches and targets arranged alphabetically.

Hardening Linux

“Hardening” is the process of protecting a system and its applications against unknown threats. Hardening Linux identifies many of the risks of running Linux hosts and applications and provides practical examples and methods to minimize those risks. The book is written for Linux/UNIX administrators who do not necessarily have in-depth knowledge of security but need to know how to secure their networks.

The book is written for Linux/UNIX administrators who do not necessarily have in-depth knowledge of security but need to know how to secure their networks.

Interprocess Communications in Linux

Interprocess Communications in Linux explains exactly how to use Linux processes and interprocess communications to build robust, high-performance systems. Coverage includes: named/unnamed pipes, message queues, semaphores, shared memory, RPC and the rpcgen compiler, sockets-based communication, the /proc file system, LinuxThreads POSIX support, multithreading, and much more. Includes detailed exercises, plus dozens of downloadable program examples compiled with GNU C/C++ 2.96 & 3.2 and tested with Red Hat Linux 7.3 & 8.0.

The "definitive" guide to Linux processes and IPC for programmers and system administrators Pipes, message queues, semaphores, shared memory, RPC, sockets, the /proc filesystem, and much more In-depth coverage of multithreading with POSIX ...

The Linux Development Platform

Configuring, Using, and Maintaining a Complete Programming Environment

Two leading Linux developers show how to choose the best tools for your specific needs and integrate them into a complete development environment that maximizes your effectiveness in any project, no matter how large or complex. Includes research, requirements, coding, debugging, deployment, maintenance and beyond, choosing and implementing editors, compilers, assemblers, debuggers, version control systems, utilities, using Linux Standard Base to deliver applications that run reliably on a wide range of Linux systems, comparing Java development options for Linux platforms, using Linux in cross-platform and embedded development environments.

This book's example-rich coverage includes: The Linux software development process: research, requirements, coding, debugging, deployment, maintenance, and beyond Choosing and implementing editors, compilers, assemblers, debuggers, version ...

Linux Shell Scripting Cookbook

This book is written in cookbook style and it offers learning through recipes with examples and illustrations. Each recipe contains step-by-step instructions about everything necessary to execute a particular task. The book is designed so that you can read it from start to end for beginner's or just open up any chapter and start following the recipes as a reference for advanced users.If you are a beginner or an intermediate user who wants to master the skill of quickly writing scripts to perform various tasks without reading the entire man pages, this book is for you. You can start writing scripts and one-liners by simply looking at the similar recipe and its descriptions without any working knowledge of shell scripting or Linux. Intermediate/advanced users as well as system adminstrators/ developers and programmers can use this book as a reference when they face problems while coding.

This book is written in cookbook style and it offers learning through recipes with examples and illustrations.

Programming Linux Games

Explains how to build a scrolling game engine, play sound effects, manage compressed audio streams, build multiplayer games, construct installation scripts, and distribute games to the Linux community.

Explains how to build a scrolling game engine, play sound effects, manage compressed audio streams, build multiplayer games, construct installation scripts, and distribute games to the Linux community.

The Linux Command Line

A Complete Introduction

You've experienced the shiny, point-and-click surface of your Linux computer—now dive below and explore its depths with the power of the command line. The Linux Command Line takes you from your very first terminal keystrokes to writing full programs in Bash, the most popular Linux shell. Along the way you'll learn the timeless skills handed down by generations of gray-bearded, mouse-shunning gurus: file navigation, environment configuration, command chaining, pattern matching with regular expressions, and more. In addition to that practical knowledge, author William Shotts reveals the philosophy behind these tools and the rich heritage that your desktop Linux machine has inherited from Unix supercomputers of yore. As you make your way through the book's short, easily-digestible chapters, you'll learn how to: * Create and delete files, directories, and symlinks * Administer your system, including networking, package installation, and process management * Use standard input and output, redirection, and pipelines * Edit files with Vi, the world’s most popular text editor * Write shell scripts to automate common or boring tasks * Slice and dice text files with cut, paste, grep, patch, and sed Once you overcome your initial "shell shock," you'll find that the command line is a natural and expressive way to communicate with your computer. Just don't be surprised if your mouse starts to gather dust. A featured resource in the Linux Foundation's "Evolution of a SysAdmin"

As you make your way through the book's short, easily-digestible chapters, you'll learn how to: * Create and delete files, directories, and symlinks * Administer your system, including networking, package installation, and process ...