Networking All-in-One For Dummies is a comprehensive networking guide designed to replace an entire shelf of dry and uninspiring networking books you would otherwise need to purchase. It provides all of the essential and advanced information required to establish a network, maintain it as it grows, troubleshoot issues, and resolve problems that arise.

Linux is cool not just because it's free and open-source, more often than not, that's because it's so powerful. For example, it is used to build large servers with high performance and high stability; to make the old computers bloom; as desktop or office operating system for individual users or enterprise users, and more. I think any users who are interested in computers, somewhat get tired of Windows, and want to try some new OS, they may want to begin to reach the mysterious Linux operating system. But if you want to make learning Linux easy, you really need a good book for the level of beginners.

To popularize some boring technology, we have to turn to For Dummies or Head First and such as these series of books. Hacking For Dummies, 4th Edition is not only suitable for beginners who are interested in computer system testing evaluation and IT security, but also has great reference value for network administrators, information security manager/consultant/auditor, and other professionals.