你想可以使用主机只有在您的网络虚拟机？
Do you want to be able to use host-only networking in your virtual machines?
每个虚拟机都必须具有唯一的mac地址，如果不能向每个克隆提供唯一的mac地址，则会导致网络问题。
Each virtual machine must have a unique MAC address, and failure to provide a unique MAC address to each clone can cause network problems.
对虚拟机的网络和安全控制职责可能没有很好地分隔。
Duties for network and security controls of virtual machines may not be well separated.
云消费者需要识别的资产就是他们能够控制的资产：操作系统、网络设备以及在虚拟机级部署的应用程序。
The assets the cloud consumer needs to identify are those he can control: the operating systems, network equipment, and deployed applications at the virtual machine level.
最常见的方法是分类归入到四维矩阵中，矩阵的一个轴上是服务器和虚拟机，另外一个轴上是网络和存储。
The most common method is to split the categories into a four-way matrix with server and virtual machine problems on one axis and network and storage on the other axis.
通常，虚拟机网络的问题都是与系统的错误配置有关，或者可能是速率/双工模式的问题。
Usually virtual machine networking issues are related to misconfiguration of the system or possibly a speed/duplex issue.
如果迁移是“冷”迁移（在迁移过程中服务被终止活动并下线），可以使用OCCI的终止和重启虚拟机、网络资源等特性。
If the migration is a ‘cold’ migration (service is passivised and offline during migration), OCCI’s features to stop and restart the virtual machines, network resources, etc. can be used.
如图7所示，我们选择networkaddresstranslation (NAT)，因为它允许虚拟机访问连网的资源，而不必向其他网络机器暴露它。
As shown in Figure 7, we chose network address translation (NAT) because it allows our virtual machine to access networked resources without unnecessarily exposing it to other network machines.
例如，有一台虚拟机使用了一个bond 设备，可能其中的一个NIC 出现了问题而导致网络问题。
For example, a network problem may exist on one of the NICs within a bond the virtual machine is on.
为了将完成的内核用作虚拟机，还需要有用户空间工具、基文件系统的映像以及TAP -32 win32网络驱动程序。
To use the finished kernel as new virtual machine, you also need the user space tools, the image of base filesystem, and TAP-32 win32 network driver.
由于您希望在公司网络上配置虚拟机，您还需要了解如何识别VLAN。
Since you want to provision the virtual machine on your company's network, you also need to find out how the VLAN is identified. To do that, type the command.
该链接代表了服务器提供给虚拟机系统的网络访问。
This link represents the network access that the server provides to the virtual system.
明白哪些网络设备被分配给虚拟机之后，接下来您需要弄明白虚拟机如何来使用这些设备。
Once you understand which network devices are allocated to the virtual machines, you must next understand how they are being used.
虚拟镜像还包含了虚拟硬盘定义与虚拟网络连接单元，它们代表了虚拟监管系统向虚拟机系统所提供的虚拟资源。
The virtual image also contains virtual disk definition and virtual network connection units that represent the virtual resources that the hypervisor provides to the virtual system.
黑客进入虚拟机之后，他可以使用黑客工具启动恶意的网络扫描攻击活动，并把这些活动伪装成善意的网络扫描。
Once he is inside a virtual machine, he can use a hacker's tool to launch malicious network scanning attack activity in the guise of friendly network scans.
这一设备已经建立起了一个数据中心网络，在这一网络中虚拟机和磁盘可以在几秒钟内重启。
That outfit has built a network of data centres in which virtual machines and disks can be launched in seconds.
甚至在本地网络设置中，虚拟化驱动存储进入网络，来支持更多的移动虚拟机。
Even in local network Settings, virtualization drives storage into the network to support more mobile virtual machines.
对虚拟机之间通信所用的内部虚拟网络的控制不够明确，难以实施安全策略。
Controls on internal virtual networks that are used to communicate between virtual machines are insufficiently visible to enforce security policies.
使用IaaS，您可以在虚拟机级别控制操作系统、网络设备和已部署应用程序。
With IaaS you can control the operating systems, network equipment, and deployed applications at the virtual machine level.
VMwareTools包使虚拟机可以利用高速网络驱动程序和高级内存管理。
The VMware Tools package allows your virtual machine to take advantage of a high-speed network driver and advanced memory management.
IaaS基础架构和网络专家：专家控制虚拟机级上的操作系统、网络设备和部署的应用程序。
IaaS infrastructure and network specialist: the specialist controls the operating systems, network equipment, and deployed applications at the virtual machine level.
在此步骤期间，可以选择修改4个不同虚拟磁盘的默认大小，并修改虚拟机中的网络接口的默认数量，默认值为1(图7)。
During this step, you can optionally change the default size of the four different virtual disks, and change the default number of network interfaces in the virtual machine, which is 1 (Figure 7).
备用连接重试：如果网络中断持续时间超过2分钟，那么要通过备用网络连接重新连接到另一台物理服务器或虚拟机。
Alternate connection retry: If network interruption lasts more than two minutes, reconnect to another physical server or virtual machine via alternate network connections.
从这篇简短的文章可以看出，libvirt是一种用来构建应用程序的强大库，能够跨系统的大型网络在不同的虚拟机监控程序环境中管理域。
As you can see from this short article, libvirt is a great library for building applications that manage domains in many different hypervisor environments over large networks of systems.
一个IaaS的基础架构师和网络专家可以控制操作系统、网络设备，以及在虚拟机级别部署的应用程序。
An IaaS infrastructure and network specialist controls the OSs, network equipment, and deployed applications at the virtual machine level.
僵尸网络曾经使用IaaS作为命令和控制中心直接恶意更新虚拟机的基础设施。
IaaS has been used as Command and Control centers to direct operations of a botnet for use in malicious updates of the infrastructure within and across the virtual machines.
图1描述了使用了TivoliServiceAutomationManager的虚拟池、网络配置、VLAN和虚拟机管理程序资源之间的关系。
Figure 1 describes the relationships among virtual pools, network configurations, VLANs, and hypervisor resources using Tivoli Service Automation Manager.
其中一个适配器连接到实验室网络，另一个适配器处理虚拟机之间的通信。
One adapter connects to the lab network and the other adapter handles communication among virtual machines.
其中一个适配器连接到实验室网络，另一个适配器处理虚拟机之间的通信。
One adapter connects to the lab network and the other adapter handles communication among virtual machines.
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