Linux可以运行在许多虚拟硬件上。
可以在QEMU文档中找到虚拟硬件的详细信息。
You can find details about the virtual hardware in the QEMU documentation.
在为您的云计算实例确定虚拟硬件规范时有几个因素需要考虑。
There are many factors to consider when determining the virtual hardware specifications for your cloud instances.
瘦客户机是标准化的，运行桌面映像的虚拟硬件也是标准化的。
The thin clients are standardized, and the virtual hardware that runs the desktop image is standardized.
这一层与PaaS的不同之处在于，只提供虚拟硬件，而没有软件栈。
This layer differs from PaaS in that the virtual hardware is provided without a software stack.
信封描述符描述构成此ovf包的所有虚拟机元数据(包括虚拟硬件)。
The envelope descriptor describes all metadata for the virtual machine (s) (including virtual hardware) that make up this OVF package.
如图6所示，该虚拟镜像可能包含有虚拟硬件以及一个虚拟的操作系统。
As Figure 6 shows, this virtual image might contain virtual hardware and a virtual operating system.
UML方法也很受欢迎，但它需要虚拟硬件(比如控制台、虚拟硬盘和网络)。
This UML approach is also popular, but requires virtualized hardware (such as a console, virtual disk, and networking).
很多时候，这种复杂软件可在它自己的虚拟机(比如jvm)中运行，而虚拟机本身可能在虚拟硬件资源上运行。
Many times, this complex software runs in its own virtual machine (such as a JVM), which itself may be running on virtualized hardware resources.
随后，可将该应用程序的各部分迁移到FPGA中的虚拟“硬件”，从而释放CPU资源供其他任务使用。
Later, you can migrate various parts of the application into virtual "hardware" inside the FPGA, thereby freeing up CPU resources for other tasks.
虽然硬件呆在一个地方静止不动，“虚拟机”消耗的处理能力却能跳来跳去，甚或在遥远的数据中心之间来去自如。
Although hardware stays in one place, "virtual machines" consuming processing power can jump around, even between far-flung data centres.
开始映像扩展流程之前的最后一个配置步骤就是进行虚拟机硬件的配置。
The last configuration step before the image extension process begins involves the virtual machine’s hardware configuration.
运行虚拟机的硬件已经由澳大利亚当地的第三方主机托管公司安装完毕。
The hardware to host the virtual machines have already been installed by a third-party hosting company in Australia.
所有的硬件都是虚拟的，但您仍然可能遇到一些意想不到的结果，这些结果与您在物理服务器上执行补丁操作的体验不同。
All of the hardware is virtual, but it can still have some of the unexpected results that you experience when patching a physical server.
Linux包括了管理可用内存的方式，以及物理和虚拟映射所使用的硬件机制。
Linux includes the means to manage the available memory, as well as the hardware mechanisms for physical and virtual mappings.
注意：虚拟和物理系统的硬件和软件跨越的范围很广，因此本文介绍的步骤仅作为一个参考。
Note: Virtual and physical systems hardware and software span a broad range, so the procedures in this article are meant as a reference guide.
VMM可以直接在底层硬件上运行，允许运行多个虚拟机(VM)。
The VMM ran directly on the underlying hardware, permitting multiple virtual machines (VMs).
建立和设置虚拟以太网不需要任何专门的硬件或软件。
The enablement and setup of virtual Ethernet does not require any special hardware or software.
随着管理程序的使用，您可以在单个硬件上运行多个客户机(虚拟机)。
With the use of hypervisors, you can run multiple guests (virtual machines) on a single piece of hardware.
然而，当多个虚拟机运行在同样的服务器上，并且开始竞争硬件和网络资源时，系统开销就会大大增加。
However, when several virtual machines run on the same server and start competing for hardware and network resources, the overhead is substantially higher.
这种模型使用一个虚拟机，它在客户操作系统和原始硬件之间进行协调(参见图2)。
This model USES a virtual machine that mediates between the guest operating systems and the native hardware (see Figure 2).
在这种模型中，虚拟指令集被转换成底层硬件的物理指令集，这个过程通常都是动态的。
In this model, a virtual instruction set is translated to the physical instruction set of the underlying hardware, most commonly dynamically.
需要注意的是虚拟机运行并不会像本地主机（就是运行在非虚拟的硬件上的系统）上的程序一样快。
Something to note is that a virtual machine will not be as fast as a native application (native = running on non-virtualized hardware).
P - code是一种机器语言，运行于虚拟机而不是实际硬件。
P-code is a machine language that is executed in a virtual machine rather than in actual hardware.
从使用WebSphereCloudBurst模式的虚拟WebSphere环境到直接安装在硬件上的传统WebSphere环境的跨越很难。
The leap from virtualized WebSphere environments using WebSphere CloudBurst patterns to traditional WebSphere environments installed directly on hardware can be difficult.
物理硬件可能拥有大量的内存，但是虚拟监管系统为特定虚拟机系统的使用只分配了1GB的内存。
The physical hardware might have a large amount of memory, but the hypervisor might designate only 1gb of that memory for a particular virtual system's use.
从硬件模拟到完全硬件虚拟化，Linux支持很多种不同形式的虚拟化。
Linux supports many different forms of virtualization ranging from hardware emulators to pure hardware virtualization.
经修改的操作系统通过泛虚拟的hypervisor所支持的“超级调用（hypercalls）”直接与硬件打交道。
Modified operating systems use the "hypercalls" supported by the paravirtualized hypervisor to interface directly with the hardware.
VMWareESX系统(图23)是在硬件上直接运行的虚拟监管系统的一种类型，而不是在操作系统上运行。
A VMWare ESX system (Figure 23) is a type of hypervisor that runs directly on hardware, in place of an operating system.
虚拟化层对基础的硬件接口进行规范化，所以虚拟机可以在不同的硬件平台之间无缝地移动。
The virtualization layer standardizes the underlying hardware interfaces, so virtual machines can be moved seamlessly across different hardware platforms.
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