In addition to faster compression techniques, this second edition also talks about creating entire disk images. Summary This book is written in a Cookbook style and it offers learning through recipes with examples and illustrations. Using the shell, you can generate databases and web pages from sets of files, automate monotonous admin tasks such as system backups, monitor your system's health and activity, identify network bottlenecks and system resource hogs, and more. John has also been a Technical Editor for various publishers for over 10 years specializing in books related to open source technologies. Most frequently used directory switching Counting the number of lines, words, and characters in a file How to do it. Logfile management with logrotate Getting ready How to do it.
Shantanu has been fascinated by computers since he was a child, and spent most of his high school time writing C code to perform daily activities. All things considered, I highly recommend this book to beginners and intermediate users of the Linux shell. Currently, he is exploring his passion about scalable distributed systems in his spare time. Software engineers will learn how to examine system applications, how to use modern software management tools such as git and fossil for their own work, and how to submit patches to open-source projects. Basic firewall using iptables How to do it.
See also Printing lines in the reverse order Getting ready How to do it. Each recipe contains step-by-step instructions about everything necessary to execute a particular task. We also deal with operations such as finding and removing duplicate files, counting lines in a file collecting details about files, and so on. It covers most of the commands on Linux with a variety of use cases accompanied by plenty of examples and guides you on implementing some of the commonest Linux commands with recipes that handle operations or properties related to files like searching and mining inside a file with grep. As this book's title denotes the content is presented as a cookbook.
The recursive function Exporting functions Reading the return value status of a command Passing arguments to commands Reading the output of a sequence of commands in a variable Getting ready How to do it. This book, now in its third edition, describes the exciting new features in the newest Linux distributions to help you accomplish more than you imagine. How to do it; which commands to run and the options that goes for each command. This book will show you how to do all this and much more. One day, he believes, programming will be so easy that everybody will love to write programs for their computers.
Sarath can be reached via his website. This chapter is intended to help readers understand how to interact with the Web using shell scripts to automate tasks such as collecting and parsing data from web pages. Her research interests include operating systems and system-side programming. It is a book you should have handy when you are one of the above mentioned users to make your life easier with Linux. But if you want to get into the depth of Linux and being an expert the learning curve especially when starting is quite steep and the huge amount of possibilities is hard to tackle. He spends most of his time hacking with computers and having fun with his great friends. The book is designed so that beginners can read it from start to end while advanced users can just open it at any chapter and start following the recipes as a reference.
I would like to thank the publishers for giving me this opportunity to review the book. He had made a contribution to several different open source projects during his multiple Google Summer of Code projects. You can contact him at. Logging with syslog Getting ready How to do it. How it works… There's more. Certainly a good companion for anyone interested in unleashing the power of the Bash shell.
The third chapter deals with files and filesystems and handy scripts which are related: working with file permissions, printing the directory tree, finding and deleting duplicate files, and more. Faster archiving with pbzip2 Getting ready How to do it. Managing multiple terminals from one Getting ready How to do it. In the introduction of chapter 1 you get the basics about the shell environment you need just enough to start scripting. The third chapter deals with files and filesystems and handy scripts which are related: working with file permissions, printing the directory tree The book is organized into 9 chapters which contain recipes to demonstrate real-life usages of shell scripts. Enumerating file type statistics Getting ready How to do it. How it works… Spell checking and dictionary manipulation How to do it.
And some handy information to avoid unnecessary typing using the history. He owns and runs Noumena Corporation, where he develops custom software and delivers training sessions. One of its great advantages is it that it covers a wide range of topics. Easy to read, being a cookbook it allows the reader to freely jump directly to the subjects of interest without having to pass through all the previous recipes. I would like to thank my friends and family for the support and encouragement they've given me, especially to my sweet sister for her patience when I couldn't get time to talk to her. Thing is, this is not just about bash.
It eliminates the need to make choices on what commands and option to learn. It starts with what you want to do and provides the solution. Comparisons and tests How to do it. He has trained programmers on four continents. I find this way of presentation very efficient and clear. You can start writing scripts and one-liners by simply looking at the relevant recipe and its descriptions without any working knowledge of shell scripting or Linux. The intersection and set difference A-B on text files Getting ready How to do it.
Chapter 3 has more sophisticated recipes like file comparisson to find out the differences between two files. Neither the authors, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. He spends most of his time hacking with computers and having fun with his great friends. The chapter starts with an introduction into regular expressions and some often used patterns like e-mail address validation are provided.