This book is intended for developers wishing to utilize Asterisk, system administrators wishing to gain better control over their Asterisk installation, and telephony service providers wishing to deploy Asterisk-based solutions to their infrastructure. You are expected to have some...

Install, configure, and manage Windows XP Professional with this comprehensive administrator’s guide! Congratulations! You have found the ultimate task-oriented guide to Microsoft Windows XP Professional. Whether you are maintaining one stand-alone computer or thousands of networked Windows XP Professional systems, this book is designed to...

Whether you're a systems administrator or a home user, you need to understand how Linux internals work before you can really master Linux-how it boots, how networking works, how to customize the kernel, and even what hardware to buy.

How Linux Works contains the kind of information normally handed down from...

FreeBSD is the engine that runs on some...

SATAN (Security Administrator's Tool for Analyzing Networks) is a powerful aid for system administrators. It performs "security audits," scanning host computers for security vulnerabilities caused by erroneous configurations or by known software errors in frequently used programs. SATAN is a particularly interesting piece of...

Now there's a practical guide to deploying and managing BGPv4 in any environment--from small enterprises to the largest Tier 2 and Tier 3 service providers. A team of the world's...

NSA Security-Enhanced Linux (SELinux) is a set of patches and added utilities to the Linux kernel to incorporate a strong, flexible, mandatory access control architecture into the major subsystems of the kernel. With its fine-grained yet flexible approach, it is no wonder Linux distributions are firing up SELinux as a default security...