Explains how to identify and avoid risks online, featuring first-person accounts, technical tips, and advice from experts

Explains how to master effective search techniques that will work with any search program and explains how to overcome failed searches, offering additional coverage of major commercial services. Original. (Intermediate). (view table of contents)

SSH is a popular protocol for securing your network connections. It's reliable, robust, and reasonably easy to use, and both free and commercial implementations are widely available for most operating systems. Everything you want to know about SSH is in our updated second edition of 'SSH, the Secure Shell: The Definitive Guide'.

Covers JavaScript skills and topics including browsers, platforms, dynamic content, cascading style sheets, rollovers, error handling, debugging, and code maintenance. (view table of contents)

Looks at security issues for Linux users, covering such topics as controlling access to systems, protecting network connections, encrypting files, and detecting intrusions. (view table of contents)

Product Description: "A good book! It's a nice overview of wiki editing and administration, with pointers to handy extensions and further online documentation." -Brion Vibber, Chief Technical Officer, Wikimedia Foundation "This book is filled with practical knowledge based on experience...read more

Describes the general concepts of the Linux operating system along with information on such topics as the file system, the shell, network connections, email, and programming. (view table of contents)

Product Description: If you use Linux in your day-to-day work, this popular pocket guide is the perfect on-the-job reference. The second edition has expanded from Fedora-only coverage to distro-neutral, with practical information on a wider range of commands requested by readers...read more

Product Description: Every Mac user knows how to work with windows and icons, but there is a wonderful application behind the scenes—the Terminal—that provides tremendous additional power. With this handy guide, you’ll learn valuable commands that remove limits and open doors that many Mac users don’t know exist...read more