Can Your Server Be Toppled with a Single Command?

The common Apache benchmarking tool known as ab can carry off a highly effective DoS attack if you're not prepared for it.

BackTrack Linux: The Ultimate Hacker's Arsenal

Penetration Testing and security auditing are now part of every system administrator's "other duties as assigned." BackTrack Linux is a custom distribution designed for security testing for all skill levels from novice to expert.

Book Review: Land of Lisp

The elegant Lisp is known as a beautiful, but not always approachable, programming language. Conrad Barski's Land of Lisp is a smart and accessible guide to the enigmatic functional programming language.

Arp Cache Poisoning and Packet Sniffing

Intruders rely on arp cache poisoning to conceal their presence on a local network. We'll show you some of the tools an attacker might use to poison the arp cache and gather information on your network.

Google+ with Business

Google+ isn’t officially ready for corporate use, but users are already excited about what this new social networking platform means for the workplace. We look at how you can leverage Google’s latest product for business and work around its limitations.

Hardware-assisted Virtualization

The Intel VT and AMD-V extensions bring x86 virtualization to the 21st Century. Learn why hardware-assisted virtualization is important and what to watch for the next time you buy a computer. We'll also show you how to configure virtualization on a typical Linux system.

Open Virtualization Alliance

The Open Virtualization Alliance was founded three months ago to raise awareness about kernel-based virtualization and promote the adoption of KVM in the enterprise. We stopped in for a progress report.


The lean and fast KVM is now capable of passing physical PCI hardware through to the guest system. We take a close look at how to integrate PCI devices with KVM.

Virtual Desktop

Virtual Desktop Infrastructure (VDI) is poised to change the face of client support on enterprise networks. We talked to Virtual Bridges CTO Leonardo E. Reiter about VDI and the promise of the virtual desktop.


Btrfs is winning over the experts with advanced features like subvolumes, snapshots, and dynamic volume resizing. Read full article as PDF »

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