As if tracking down bugs in a complex application isn't hard enough, programmers now must worry about a newly emerging trap, one in which a program compiler simply eliminates chunks of code it doesn't understand, often without alerting the programmer of the missing functionality.
Don't let the word "virtual" in virtual servers fool you. You're the only one who knows it's virtual. From the perspective of the virtual server itself, the devices connected to it, applications running on it, end-users connecting to it, or security threats trying to compromise it, the server is very, very real. A new survey from Kaspersky Labs found that many IT professionals understand that securing virtual environments is important, but don't fully understand the threats or how to properly defend against them.
Canadian airline company WestJet is one of the earliest customers of VMware's NSX network virtualization tools, which initially reached for the tech to address a security issue. Network World Editor in Chief John Dix recently sat down with WestJet technologist Richard Sillito to learn what the company is learning about network virtualization and its broader NSX plans.
Most of the time, one operating system per computer is enough. But on occasion, you might want to boot up a second operating system for security reasons, testing purposes, or compatibility with specific software. Technical details typically restrict that alternate OS to a single PC, however. You can only install an OS in a single location after all.