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In this book, you'll discover everything you need to know to master shell scripting and make informed choices about the elements you employ. Get your systems updated to the latest Linux kernel and Bash shell to run your administration tasks efficiently. Get to grips with the fundamentals of creating and running a script in normal mode, and in debug mode. Learn about various conditional statements' code snippets, and realize the power of repetition and loops in your shell script. You will also learn to write complex shell scripts. This book will also deep dive into file system administration, directories, and system administration like networking, process management, user authentications, and package installation and regular expressions. Towards the end of the book, you will learn how to use Python as a BASH Scripting alternative. By the end of this book, you will know shell scripts at the snap of your fingers and will be able to automate and communicate with your system with keyboard expressions.

Learn to use one of the most powerful text processing and manipulation tools available Regular expression experts have long been armed with an incredibly powerful tool, one that can be used to perform all sorts of sophisticated text processing and manipulation in just about every language and on every platform. That’s the good news. The bad news is that for too long, regular expressions have been the exclusive property of only the most tech savvy. Until now. Ben Forta's Learning Regular Expressions teaches you the regular expressions that you really need to know, starting with simple text matches and working up to more complex topics, including the use of backreferences, conditional evaluation, and look-ahead processing. You’ll learn what you can use, and you’ll learn it methodically, systematically, and simply. Regular expressions are nowhere near as complex as they appear to be at first glance. All it takes is a clear understanding of the problem being solved and how to leverage regular expressions to solve them. Read and understand regular expressions Use literal text and metacharacters to build powerful search patterns Take advantage of advanced regular expression features, including lookahead and backreferences Perform powerful search-and-replace operations in all major professional editing tools Add sophisticated form and text processing to web applications Search for files using command-line tools like grep and egrep Use regular expressions in programming languages like JavaScript, Java, PHP, Python, Microsoft .NET, and C#, as well as in DBMSs including MySQL and Oracle Work with phone numbers, postal codes, social security numbers, IP addresses, URLs, email addresses, and credit card numbers

Proven Patterns and Techniques for Succeeding with Agile in Your Organization Agile methods promise to help you create software that delivers far more business value—and do it faster, at lower cost, and with less pain. However, many organizations struggle with implementation and leveraging these me

Modern websites use a variety of animated effects not only to improve usability but also to delight and surprise users. Some of these effects require complex scripting or programming skills, but many are within the grasp of designers who are already familiar with CSS and HTML. CSS Animations and Transitions for the Modern Web shows designers how to add movement to web pages over time using CSS3 style definitions. Author Steven Bradley begins as simply as possible and uses elementary skills as the basis for more advanced techniques. Conceptual explanation is combined with specific examples to give designers a solid foundation in the art of creating dynamic and appealing websites. Steven s examples are posted at peachpit.com so readers can see the animations in action and download the code files for further study. Instructions for access are in the Getting Started section. With CSS Animations and Transitions for the Modern Web, you ll learn how to make your websites more vibrant and compelling with user interfaces that are functional, reliable, and usable, as well as beautiful. Up-to-date information on current browser support for CSS animations and transitions An introduction to manipulating web page objects in both 2D and 3D space Techniques for creating smooth transitions between object states An overview of Disney s principles for creating realistic animation and how they apply to web page designs