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A virtual appliance primer

06/17/2008  
Relevance: 7.20
Virtual machines are virtually taking over the world. By itself a virtual machine is just a container that describes various resources such as memory, disk space, processor, and network card, and allocates them from a physical machine. As with a physical machine, it's the software bits (the operating system and applications) that make a virtual machine usable. When you mix a virtual machine with real software you get a virtual appliance. Some complete Linux distributions as well as specialized apps are available as virtual appliances. Thanks to the ease in packaging one, there's no shortage of virtual appliances around, if you know where to look.
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Installing Xen On CentOS 5.2 (i386)

11/09/2008  
Relevance: 6.77
This tutorial provides step-by-step instructions on how to install Xen on a CentOS 5.2 system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called virtual machines or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
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This week at LWN: Memory part 3: Virtual Memory

10/20/2007  
Relevance: 6.70
The virtual memory subsystem of a processor implements the virtual address spaces provided to each process. This makes each process think it is alone in the system. The list of advantages of virtual memory are described in detail elsewhere so they will not be repeated here. Instead this section concentrates on the actual implementation details of the virtual memory subsystem and the associated costs.
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Virtual Bridges announces major update of Virtual Desktop Server (VDS) product

10/25/2007  
Relevance: 6.28
Virtual Bridges, a provider of desktop and enterprise virtualization solutions for business, announced today the release of a major upgrade to its Virtual Desktop Server product. Virtual Desktop Server, Virtual Bridges' Educational/SMB and enterprise product, allows an organization to deploy multiple Windows desktop sessions to PCs, Workstations and thin clients from a non-Windows server such as Linux and Solaris.
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The Perfect Xen 3.1.0 Setup For Debian Etch (i386)

06/05/2007  
Relevance: 6.23
This tutorial describes how to install Xen 3.1.0 on a Debian Etch system (i386). Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called virtual machines or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware.
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Virtual Dimension

01/01/2007  
Relevance: 6.18
Virtual Dimension is a virtual desktop tool for Windows. Before we proceed, let's clear the doubtful air around the term itself.[Virtual Desktop is Free Software (for Windows), released under the GNU GPL. - dcparris]
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P2V: How To Make a Physical Linux Box Into a Virtual Machine

08/21/2007  
Relevance: 6.12
Over the last four days, I've been exploring how to convert physical Linux boxes into virtual machines. VMWare has a tool for doing P2V conversions, as they're called, but as far as I can tell it only works for Windows physical machines and for converting various flavors of virtual machines into others. I could have just rebuilt the whole machine from scratch on a new virtual machine, but that takes a lot of time and the old build isn't that out of date (one year) and works fine. So, I set out to discover how to transfer a physical machine to a virtual machine.
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Proofpoint and VMware team up for messaging security

10/04/2006  
Relevance: 5.89
Recently, Proofpoint Inc released the Proofpoint Messaging Security Gateway Virtual Edition, an enterprise-scale virtual appliance that provides messaging security. The new solution utilises VMware's virtual appliance technology to allow simple deployment to provision new Proofpoint Virtual appliances very quickly in response to fluctuating demands.
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Deliver Linux high availability with a Xen virtual server

10/11/2008  
Relevance: 5.89
Get step-by-step details to implement Xen virtual server high availability via the IBM® System Director Virtual Availability Manager. The Virtual Availability Manager is included in the IBM System Director Virtualization Manager package, an extension for IBM Director. In this article, the authors walk you through all the steps, from prerequisites and setup to troubleshootingâ€' everything you need to get started delivering virtual high availability capabilities.
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Report: GL Studio Puts Simulators On The Desktop

11/28/2006  
Relevance: 5.81
In the latest multi-million dollar training simulators, pilots get to shoot the bad guys out of the virtual sky, while infantry men practice driving their vehicles over virtual desert terrain. Today's sophisticated virtual trainers immerse the soldier in ever more realistic combat situations.
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Showing 10 articles of total 22145 in database ( English).

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