This book is the official guide to Adobe (R) AIR[TM], written by members of the AIR team. With Adobe AIR, web developers can use technologies like HTML and JavaScript to build and deploy web applications to the desktop. Packed with examples, this book explains how AIR works and features recipes for performing common runtime tasks. Part of the Adobe Developer Library, this concise pocket guide explains: What Adobe AIR is, and the problems this runtime aims to solve How to set up your development environment The HTML and JavaScript environments within AIR How to create your first AIR application using HTML and JavaScript Ways to perform an array of common tasks with this runtime Also included is a guide to AIR packages, classes, and command line tools. Once you understand the basics of building HTML- and JavaScript-based AIR applications, this book makes an ideal reference for tackling specific problems. It offers a quick introduction to a significant new development technology, which lets you combine the reach and ease of the Web with the power of the desktop.

The Definitive Guide to the Xen Hypervisor is a comprehensive handbook on the inner workings of XenSource’s powerful open source paravirtualization solution. From architecture to kernel internals, author David Chisnall exposes key code components and shows you how the technology works, providing the essential information you need to fully harness and exploit the Xen hypervisor to develop cost-effective, highperformance Linux and Windows virtual environments.

Granted exclusive access to the XenSource team, Chisnall lays down a solid framework with overviews of virtualization and the design philosophy behind the Xen hypervisor. Next, Chisnall takes you on an in-depth exploration of the hypervisor’s architecture, interfaces, device support, management tools, and internals—including key information for developers who want to optimize applications for virtual environments. He reveals the power and pitfalls of Xen in real-world examples and includes hands-on exercises, so you gain valuable experience as you learn.

This insightful resource gives you a detailed picture of how all the pieces of the Xen hypervisor fit and work together, setting you on the path to building and implementing a streamlined, cost-efficient virtual enterprise.

The Most Complete, Easy-to-Understand, and Useful Guide to Ubuntu Linux Desktops and Servers

Ubuntu Linux is a state-of-the-art operating system, and you need a book that’s just as advanced. Along with being the most comprehensive reference to installing, configuring, and working with Ubuntu, A Practical Guide to Ubuntu Linux^® also provides extensive server coverage you won’t find in any other Ubuntu book.

Best-selling author Mark Sobell begins by walking you through every feature and technique you need to know, from installing Ubuntu–using the DVD included with the book–to working with GNOME, Samba, exim4, Apache, DNS, NIS, firestarter, and iptables. Sobell’s exceptionally clear explanations demystify everything from system security to Windows file/printer sharing.

As you get more involved with PCs, you’ll start accumulating tons of files, such as pictures, movies, and documents. In addition, you’ll eventually have numerous software applications installed on your computer for work and pleasure. The proper periodic backup of your valuable data is crucial to ensure that you have it forever.

Anyone who uses the Internet, email, or a computer should read this book. Whether you are a self-proclaimed computer illiterate or a lifelong IT professional, this book will give you the tools and understanding to properly migrate and back up your valuable data, as well as make better use of your PC.

Preparing for the CCNP certification? Working as a network professional? Here are all the CCNP-level commands for the ISCW exam you need in one condensed, portable resource. The CCNP ISCW Portable Command Guide is filled with valuable, easy-to-access information and is portable enough for use whether you’re in the server room or the equipment closet.

This book can help you memorize commands and concepts as you work to pass the CCNP ISCW exam (642-825). The guide summarizes all CCNP certification-level Cisco IOS Software commands, keywords, command arguments, and associated prompts, providing you with tips and examples of how to apply the commands to real-world scenarios. Sample configurations throughout the book provide you with a better understanding of how these commands are used in simple network designs.

The topics in this portable command guide cover how to do the following:

• Implement basic teleworker services
• Implement Frame-Mode MPLS
• Implement a site-to-site IPsec VPN
• Describe network security strategies
• Implement Cisco Device Hardening
• Implement Cisco IOS Firewall
• Describe and configure Cisco IOS IPS