In the real estate world, the mantra is location, location, location. In the network and server administration world, the mantra is visibility, visibility, visibility. If you don't know what your network and servers are doing at every second of the day, you're flying blind. Sooner or later, you're going to meet with disaster.
Unlike most other desktop and server operating systems, Linux comes in a wide variety of flavors, each based on a common core of the Linux kernel and various GNU user space utilities. If you're running Linux servers -- or Linux desktops, for that matter -- you should understand the important differences and be discerning about which flavor of Linux is best suited to any given situation. This article will help you do just that.
Over the past two months, InfoWorld has been researching a flaw in Oracle's flagship database software that could have serious repercussions for Oracle database customers, potentially compromising the security and stability of Oracle database systems.
Back in the old days, the only realistic way to connect multiple remote sites was by T1 or T3 delivered either point-to-point or via Frame Relay. These were either slow and expensive or fast and unbelievably expensive. Then came MPLS, which dispensed with the need for point-to-point circuits from site to site, but was still bound by high expense. You got what you paid for. These circuits were not only reliable, but if a T1 or T3 circuit dropped, you could generally count on the carrier to jump on the problem quickly and resolve it with some expediency.
There comes a time in most businesses when circumstances dictate that one or more users work from home either full- or part-time. In other cases, it may simply be convenient for business owners and employees to be able to use company resources from home or (unfortunately) while on vacation.
As we rapidly approach yet another VMworld conference and the general release of VMware vSphere 5, it's clear that VMware hasn't been resting on its laurels. The newest version of vSphere builds on the strong foundations of vSphere 4.1, showcasing new management and automation features and levels of scalability.
Citrix XenServer is a commercial implementation of the open source Xen virtualization solution. Citrix has extended the base Xen engine with management tools and tightened up various components related to implementing and managing Windows and Linux virtual machines, not to mention integrating the whole shebang with the company's virtual desktop initiative, as well as its foundational server-based desktop and application delivery solutions.
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