Компьютеры - скачать книги или читать онлайн. Страница 202

SAP is the world's leading provider of ERP software and services, with worldwide revenue in 2004 of $9.7 billion and a 57 percent market share among major business application providers; it is one of the world's largest software companies overall ERP is a flexible, open technology platform that helps businesses run more efficiently (and profitably) by providing integrated management of key operations and supply chains Written for IT professionals who find it hard to get through SAP's complex documentation, our book demonstrates how ERP can cut costs, provides a clear overview of how the ESA (enterprise service architecture) model affects ERP, and shows how to implement the new ERP in the real world Topics covered include reducing the cost of an existing IT backbone, using the new ERP to address a company's «pain points» and challenges, and proving the value of ERP through ROI (return on investment) and TCO (total cost of ownership) studies

Beginning Cryptography with Java While cryptography can still be a controversial topic in the programming community, Java has weathered that storm and provides a rich set of APIs that allow you, the developer, to effectively include cryptography in applications-if you know how. This book teaches you how. Chapters one through five cover the architecture of the JCE and JCA, symmetric and asymmetric key encryption in Java, message authentication codes, and how to create Java implementations with the API provided by the Bouncy Castle ASN.1 packages, all with plenty of examples. Building on that foundation, the second half of the book takes you into higher-level topics, enabling you to create and implement secure Java applications and make use of standard protocols such as CMS, SSL, and S/MIME. What you will learn from this book How to understand and use JCE, JCA, and the JSSE for encryption and authentication The ways in which padding mechanisms work in ciphers and how to spot and fix typical errors An understanding of how authentication mechanisms are implemented in Java and why they are used Methods for describing cryptographic objects with ASN.1 How to create certificate revocation lists and use the Online Certificate Status Protocol (OCSP) Real-world Web solutions using Bouncy Castle APIs Who this book is for This book is for Java developers who want to use cryptography in their applications or to understand how cryptography is being used in Java applications. Knowledge of the Java language is necessary, but you need not be familiar with any of the APIs discussed. Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved.

Design Patterns are a type of pattern used in the initial design phase of an object-oriented development project Documents 46 Visual Basic .NET design patterns, including 20 that have never before been published Features case studies that demonstrate how to use design patterns effectively in the real world-and even explains where not to use design patterns Companion Web site includes all code and UML models from the book as well as links to appropriate software downloads

An indispensable working resource for IT professionals moving to Linux-based network systems This new edition of Linda and Al McKinnon's book satisfies a long-standing need among IT professionals for a comprehensive guide to installing and administering Linux-topics usually covered in a more superficial manner as parts of larger Linux references. In addition to providing complete step-by-step installation instructions, this fast-paced guide shows readers how to perform all essential administrative tasks, including creating users and passwords, managing files and directories, and customizing the environment. Readers also learn how to make the most of Linux Shells and utilities, use the vi editor, and much more. Responding to the ongoing needs of IT professionals for current and reliable information on the latest technologies, Wiley Computer Publishing introduces the Gearhead Press titles. These books, written by accomplished trainers in their respective fields, focus on real-world examples and case studies to give readers the best information on leading topics. The Gearhead Press titles are characterized by two imprints: In the Trenches and Point to Point-both series include fast-paced books written by fellow IT professionals who have been there and done that. In the Trenches books introduce technologies, guide readers to proficiency, and serve as practical, hands-on references after the initial tasks are accomplished. The Point to Point titles invite readers to join an IT team at a model company and implement technologies in real-world environments-demonstrating actual problems and solutions.

A no-nonsense guide for IT professionals While Linux vendors promise speed, efficiency, and reliability, it's the IT professionals who must deliver on that promise. Updated to reflect all the recent changes to Linux version 2.4, this new edition of the McKinnons' popular guide gets system administrators and engineers quickly up to speed on everything they need to know to customize and upgrade their Linux systems. From swap-space options, disk partitions, and installation, through printer and video device configuration and installing and upgrading the Linux kernel, this guide follows the highly successful, classroom-tested approach that the McKinnons have refined during their years as professional trainers. Responding to the ongoing needs of IT professionals for current and reliable information on the latest technologies, Wiley Computer Publishing introduces the Gearhead Press titles. These books, written by accomplished trainers in their respective fields, focus on real-world examples and case studies to give readers the best information on leading topics. The Gearhead Press titles are characterized by two imprints: In the Trenches and Point to Point-both series include fast-paced books written by fellow IT professionals who have been there and done that. In the Trenches books introduce technologies, guide readers to proficiency, and serve as practical, hands-on references after the initial tasks are accomplished. The Point to Point titles invite readers to join an IT team at a model company and implement technologies in real-world environments-demonstrating actual problems and solutions.

Keep your network safe from security disasters with a dependable recovery strategy Companies are finally learning that a network disaster recovery plan is mandatory in these times, and they must be prepared to make difficult choices about network security. In the information-packed pages of this book, Annlee Hines shares her unique and diverse work experience. She explains that the first thing you need, whatever your business may be, is reliable information and an idea of what you need to protect, as well as what you are protecting it from. She then dives into a discussion of how much you can expect to spend depending on what kind of security your network requires. She also delves into addressing the variables that determine why your needs will not necessarily be the needs of your closest competitor. Most importantly, Hines writes this valuable material realizing that you already know how to do your job –it's just that you now have to reconsider just how vulnerable the information nervous system of your company really is. From major terrorist attacks to natural disasters to hackers, Annlee Hines explores how to defend your network and reviews such topics as: * Probes, viruses, worms, and Trojan horses * The most common vulnerabilities networks face * Understanding and justifying costs * Lessons to be learned from successful defense strategies * Preparing for the worst and the requirements of network survival * Remedies, cyber recovery, and restoration

Many databases are large and complex, making them very difficult to manage. In turn, data can become difficult to access, expensive to store, and even damaged or destroyed. Oracle 9i offers new functionality for the Oracle database system, ensuring that the database runs quickly, efficiently, and reliably. Shows the best techniques, tips, and tools for Oracle systems New edition focuses on the 9i version, but also covers releases 8 and 8i since many organizations still support these versions Companion Web site includes all of the software scripts to manage a database, plus links to lite and demo versions of database management software and other DBA tools

A solid introduction to the practices, plans, and skills required for developing a smart system architecture Information architecture combines IT skills with business skills in order to align the IT structure of an organization with the mission, goals, and objectives of its business. This friendly introduction to IT architecture walks you through the myriad issues and complex decisions that many organizations face when setting up IT systems to work in sync with business procedures. Veteran IT professional and author Kirk Hausman explains the business value behind IT architecture and provides you with an action plan for implementing IT architecture procedures in an organization. You'll explore the many challenges that organizations face as they attempt to use technology to enhance their business's productivity so that you can gain a solid understanding of the elements that are required to plan and create an architecture that meets specific business goals. Defines IT architecture as a blend of IT skills and business skills that focuses on business optimization, business architecture, performance management, and organizational structure Uncovers and examines every topic within IT architecture including network, system, data, services, application, and more Addresses the challenges that organizations face when attempting to use information technology to enable profitability and business continuity While companies look to technology more than ever to enhance productivity, you should look to IT Architecture For Dummies for guidance in this field.

The bestselling Excel book on the market, updated for Excel 2010 As the world's leading spreadsheet application, Excel has a huge user base. The release of Office 2010 brings major changes to Excel, so Excel For Dummies comes to the rescue once more! In the friendly and non-threatening For Dummies style, this popular guide shows beginners how to get up and running with Excel and helps more experienced users get comfortable with new features. Excel is the number one spreadsheet application worldwide, and Excel For Dummies is the number one guide to using it With the major changes in Microsoft Office 2010, Excel has new features and a new interface design; users need help to get up to speed The book includes everything you need to know to perform basic Excel 2010 tasks Covers creating and editing worksheets and charts, formatting cells, entering formulas, inserting graphs, designing database forms, and adding database records Also covers printing, adding hyperlinks to worksheets, saving worksheets as Web pages, adding existing worksheet data to an existing Web page, and much more Whether you're new to Excel or just need to understand the 2010 version, Excel 2010 For Dummies provides what you need to know.

Start creating dynamite presentations with PowerPoint 2010 PowerPoint, the number one presentation software, has been revised and improved with the introduction of Microsoft Office 2010. More than 120 million people are using PowerPoint to create business and educational presentations worldwide. Both new and veteran PowerPoint users will improve their skills with the fun and friendly advice in PowerPoint 2010 For Dummies. Bestselling author Doug Lowe makes it easy to grasp the new features and shows you how to create presentations with pizzazz. PowerPoint is used in more than 60 countries to create visual presentations for business and educational settings The newest revision to PowerPoint adds new features, an online version of the software, and improved audiovisual and video editing capabilities This easy-to-follow guide explains how to create and edit slides, import data from other applications, and add charts, clip art, sound, and video Also covers working with hyperlinks, creating Web pages with PowerPoint, video editing, and collaboration via online access PowerPoint 2010 For Dummies helps you take full advantage of the enhancements in the new version, so you can create more effective and impressive presentations.

Get up and running quickly with all the latest updates to the MacBook The MacBook is an incredibly popular laptop choice, boasting light weight and tremendous speed. If you're a visual learner who is eager to get started with all that the MacBook has to offer, then this is the book for you! Packed with full-color photos and screen shots, this vital book walks you step by step through everything from the basics (such as powering on or shutting down the MacBook) to working with the Dashboard and its widgets to running the new Mac OS X Snow Leopard operating system. Veteran author Brad Miser escorts you through all the vitals and even offers invaluable advice for troubleshooting common problems. The MacBook is gaining popularity and this book is essential for visual learners who are eager to get started using their MacBook Covers the new Mac OS X Snow Leopard, as well as updates to iLife and MobileMe Lavish photos and screen shots offer you enhanced visual assistance while you learn the ins and outs of the MacBook Veteran author Brad Miser breaks down each topic to make it understandable for visual learners Keep this indispensible visual guide at arm's reach and get up and running with your MacBook the fast and easy way!

The perfect plain-English guide to the much-anticipated release of Windows 7 Whether you're new to computers or just eager to start using the newest version of Windows, Windows For Dummies, Enhanced Edition answers all your questions about the changes and new tools in Windows 7, enhanced with detailed video tutorials. Windows expert Andy Rathbone walks you step by step through the most common Windows 7 tasks, including managing files, applications, media, and Internet access. You’ll learn how to navigate the interface, customize the desktop, and work with the file system. You’ll then go deeper into the system, discovering new features and improvements, and finding tips and techniques for getting the most out of Windows 7. Covers basic management of applications, files, and data; creating and printing documents; setting up an Internet connection and e-mail account; and online security Includes specially produced videos explaining features and illustrating techniques in greater depth Explores using Windows to edit and manage audio, video, and photo files, and how to create CDs, DVDs, and playlists with Media Center Helps you tweak and customize Windows 7 to operate your way and set up user accounts, build a home network, and maintain your PC Provides troubleshooting advice, helps you find missing files and use the Help system, and explains common error messages Windows 7 For Dummies, Enhanced Edition will have you up and running on the newest version of Windows quickly and easily.