This guide provides end-to-end guidance for managing performance and scalability throughout your application life cycle to reduce risk and lower total cost of ownership. It provides a framework that organizes performance into a handful of prioritized categories where your choices heavily impact performance and scalability success. The logical units of the framework help integrate performance throughout your application life cycle. Information is segmented by roles, including architects, developers, testers, and administrators, to make it more relevant and actionable. This guide provides processes and actionable steps for modeling performance, measuring, testing, and tuning your applications. Expert guidance is also provided for improving the performance of managed code, ASP.NET, Enterprise Services, Web services, remoting, ADO.NET, XML, and SQL Server.

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New versions of RHEL are released every 18 to 24 months. When Red Hat releases a new version of RHEL, customers may upgrade to the new version at no additional charge as long as they are in possession of a current subscription (e.g. the subscription term has not yet lapsed).

Link: http://www.linuxtopia.org/online_books/redhat_linux_step_by_step_guide/index.html

This manual was previously published under the title Red Hat Linux Getting Started Guide. It has been renamed and incorporated into the Red Hat Enterprise Linux documentation set. It has been modified to include new features in Red Hat Enterprise Linux 4 and to reflect changes in documented procedures that are not supported in Red Hat Enterprise Linux.

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Translations available in:

• Chinese
• Italian
• German
• Korean
• Polish
• Russian
• Spanish

Link: http://www.lifewithqmail.org/

Life with qmail is aimed at everyone interested in running qmail, from the rank amateur (newbie) who just installed Linux on a spare PC all the way up to the experienced system administrator or mail administrator. If you find it lacking or unclear, please let me know. Send comments to lwq@sill.org.

There’s a wealth of information available on qmail from a variety of sources. Some is targeted to newbies, some assumes that the reader is more experienced. Life with qmail is an attempt to "glue" this information into a single source, filling in some of the cracks and assuming only that the reader has basic skills such as:

• Manipulating files/directories under UNIX
• Operating a web browser or FTP client
• Following directions

Also available from this link is Life with qmail-ldap

qmail-ldap is a patch to qmail 1.03 to retrieve all user data from a ldap-directory rather then from files on the disk. This allows easier administration, especially in distributed environments. There is also clustering support builtin making qmail-ldap very well suited for big mail installations at ISPs.

Also available in print from this author:

The qmail Handbook

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This project was started to provide some extra documentation for Qmail, on top of the FAQ and man pages, to get the most out of the fast and secure MTA written by Daniel Bernstein.

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ruby-doc.org is an active repository for online documentation, tutorials, introductions and faqs. The site includes an extensive core API and standard API documentation application for function reference.

Sections

• Why Ruby
  Help and explanations on why Ruby may be the best choice of programming languages.
• Getting Started
  A collection of resources for those just starting out with Ruby.
• Core API
  These are the API documents for the base classes and modules in the current stable release.
• Standard API
  These are the API documents for the standard library classes and modules in the current stable release.

Link: http://www.ruby-doc.org/

Help and documentation for the Ruby programming language.

The ruby-doc.org Ruby documentation project is an effort by the Ruby community to provide complete and accurate documentation for the Ruby programming language.

Other Ruby documentation in print

Beginning Ruby on Rails (Wrox Beginning Guides)

Ruby on Rails: Up and Running

Ruby Cookbook

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The official documentation covers everything all in one (very) long page: requirements, installation, setup, configuration, faq and glossary.

Link: http://www.phpmyadmin.net/documentation/

phpMyAdmin can manage a whole MySQL server (needs a super-user) as well as a single database. To accomplish the latter you'll need a properly set up MySQL user who can read/write only the desired database. It's up to you to look up the appropriate part in the MySQL manual.

More in print:

Mastering phpMyAdmin
for Effective MySQL Management 2e

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Link: http://newdata.box.sk/bx/activex/

ActiveX is a technology - a way of using a computer’s environment to communicate over the Web efficiently and reliably. HTML, C++ Visual Basic, DirectX, and many other tools can be used to take advantage of ActiveX technologies.

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Perl for the Web provides tools and strategies to improve the performance of existing Web applications in Perl. It also provides principles and ideas that help Web programmers create an extensible framework for future growth.

Table of Contents

• Introduction
• Part I: The Problems
  1. Sources of Unexpected Traffic
  2. Budget and Schedules Aren’t Ideal
  3. Site Design vsApplication Design
  4. Prototypes vsLive Sites
  5. Architecture-Based Performance Loss
  6. Often-Overlooked Problems
• Part II: The Solutions
  1. Perl For the Web
  2. Performance Myths
  3. The Power of Persistence
  4. Tools For Perl Persistence
  5. Problems With Persistence
  6. Environments For Reducing Development Time
  7. Using Templates with Perl Applications
  8. Database-Backed Web Sites
  9. Testing Site Performance
• Part III: Planning For the Future
  1. XML And Content Management
  2. Publishing XML for the Future
  3. XML as a B2B Interface
  4. Web Services
  5. Scaling a Perl Solution
  6. Perl 6 and the Future

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The documentation site for Wordpress (the Codex) is massive with hundreds of pages devoted to the overall project features, screenshots, how to contribute. The codex also includes entire sections for basic and advanced users to get a feel for using Wordpress and get their hands dirty on the internals. From getting started, to http://codex.wordpress.org/Working_with_WordPress, design and layout, advanced topics, developer documentation and troubleshooting the Wordpress Codex has you covered.

It covers versions all the way back to 1.2 (current as of this writing is 2.2) with changelogs of each version, many of which include diffs of the changed files.

Link: http://codex.wordpress.org/Main_Page

“WordPress was born out of a desire for an elegant, well-architectured personal publishing system built on PHP and MySQL and licensed under the GPL. It is the official successor of b2/cafelog. WordPress is fresh software, but its roots and development go back to 2001. It is a mature and stable product. We hope by focusing on web standards and user experience we can create a tool different from anything else out there.”
WordPress About Page

Related books also available in print

WordPress 2 (Visual QuickStart Guide)

WordPress Complete: set up, customize, and market your blog

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The goal of this book is to teach you to think like a computer scientist. I like the way computer scientists think because they combine some of the best features of Mathematics, Engineering, and Natural Science. Like mathematicians, computer scientists use formal languages to denote ideas (specifically computations). Like engineers, they design things, assembling components into systems and evaluating tradeoffs among alternatives. Like scientists, they observe the behavior of complex systems, form hypotheses, and test predictions.

The single most important skill for a computer scientist is problem-solving. By that I mean the ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately. As it turns out, the process of learning to program is an excellent opportunity to practice problem-solving skills. That's why this chapter is called "The way of the program." Of course, the other goal of this book is to prepare you for the Computer Science AP Exam. We may not take the most direct approach to that goal, though. For example, there are not many exercises in this book that are similar to the AP questions. On the other hand, if you understand the concepts in this book, along with the details of programming in C++, you will have all the tools you need to do well on the exam. See also Python and Java versions.

How to Think… is a free textbook available under the GNU Free Documentation License. Readers are free to copy and distribute the text; they are also free to modify it, which allows them to adapt the book to different needs, and to help develop new material.

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