By Chris Wolf
* this can be the single whole virtualization reference out there; brings all virtualization applied sciences together
* Microsoft has shifted its education technique to contain digital computer expertise in all new ALS/MOC classes, which ends up in excessive call for for wisdom approximately this know-how
* Covers either Microsoft and Linux environments
Read or Download Virtualization: From the Desktop to the Enterprise (Books for Professionals by Professionals) PDF
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Additional info for Virtualization: From the Desktop to the Enterprise (Books for Professionals by Professionals)
Example text
By taking a fresh look at your knowledge base, you can quickly tie the concept of virtualized hardware to physical hardware. Wrapping your mind around the term virtual machine can be daunting and is often confusing. This stems from the varying definitions of the term virtual machine. ” In short, if a list of specifications is equal to a machine (think: personal computer), and if software can create the same properties of a machine, you have a VM. If you further reduce a computer to its vital component, electricity, it’s easier to understand a VM: the entirety of a computer deals with “flipping” electricity on or off and storing an electrical charge.
Unlike retired computer equipment, using existing production equipment often provides some cost savings during operating system testing or migration. A hazard of using production equipment is that it may be nearly impossible to take a system offline. In addition, attempting to insert test systems into a production environment can have adverse impacts, and the time invested in reconfiguring systems negates any hard-dollar cost savings. However, if you have the luxury of time and are able to jockey around resources to safely free up a server meeting operating system HCL compliance, you not only save some money but have reason to ask for a raise!
Html. Despite what you know open source and free to mean, no excuse exists for not reading the license (contract) packaged with software. License compliance becomes even more important in corporate production environments, especially when using open-source VMs or emulators. We’ll briefly discuss several open-source virtualization applications: Xen, Multiple Arcade Machine Emulator (MAME), Bochs, and DOSBox. A popular open-source VM gaining momentum in the open-source community is Xen. It originated at the University of Cambridge and is released under the terms of the GNU General Public License (GPL).
