Belkin XM Commander Manual de usuario descargar pdf (Pagina 8)

• The SUSE Linux operating system, which gives the administrator a graphical

and command line environment to manage the virtual machine host components

and its virtual machines.

NOTE

The term “Domain0” refers to a special domain that provides the man-

agement environment. This may be run either in graphical or in command

line mode.

• The xend daemon (xend), which stores conguration information about each

virtual machine and controls how virtual machines are created and managed.

• A modied version of QEMU, which is an open-source software program that

emulates a full computer system, including a processor and various peripherals.

It provides the ability to host operating systems in full virtualization mode.

Xen-Based Virtual Machines

A Xen-based virtual machine, also referred to as a domain, consists of the follow-

ing components:

• At least one virtual disk that contains a bootable operating system. The virtual

disk can be based on a le, partition, volume, or other type of block device.

• Virtual machine conguration information, which can be modied by exporting

a text-based conguration le from xend or through Virtual Machine Manager.

Management Tools, Commands, and Conguration Files

There is a combination of GUI tools, commands, and conguration les to help

you manage and customize your virtualization environment.

1.2 Understanding Virtualization

Modes

Guest operating systems are hosted on virtual machines in either full virtualization

mode or paravirtual mode. Each virtualization mode has advantages and disadvantages.

2 Virtualization with Xen

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Belkin XM Commander Manual de usuario Pagina 8