Teach you to create the perfect virtual machine image in minutes

"TechTarget China original" for creating new virtual machines, a mirrored-based virtualized environment can significantly improve system coherence. Use the following method to help the administrator make the best possible virtual machine image. The scale of deployment of virtual machines is expanding at an unprecedented rate, so creating virtual machines on a mirror-based basis is a common requirement for enterprises. In this way, virtual machines can be created quickly and efficiently, and more importantly, the consistency of all virtual machines can be guaranteed. Although using mirroring to create virtual machines has become a must for enterprises, it is also important to understand how the underlying workings of virtual machine images work. After all, any virtual machine created by mirroring is essentially a mirrored clone, so it is important to create a virtual machine image that meets the needs of the enterprise. In the real world, however, the process is not as simple as that. The most common scenario is for the IT department to first make a virtual machine image and then use this image to create several new virtual machines. Shortly after the virtual machines were put into production, the IT department found some configuration problems in the virtual machine, so it needed to make a new image to create a new virtual machine. This process will be repeated several times before the image can meet all the requirements of the enterprise. In the process of making images, it is difficult to avoid this kind of experimental problem-finding way. However, if the administrator spends more time thinking about how to properly configure the image, the image will be better able to meet the needs of the enterprise. It is obvious that each enterprise has different requirements for virtual machine mirroring. Even so, there are some very easy-to-ignore issues in the process of making images, such as enabling remote management of virtual machines. Therefore, you should ensure that your virtual machine image already contains the following configuration.

Windows Firewall settings

One of the first things an administrator needs to consider is Windows Firewall settings. Although each enterprise has different needs, the virtual machine works only if a specific firewall port is turned on. Microsoft has long recommended that users use Group Policy to configure firewalls, and in real-world situations, administrators should also use Group Policy to control firewall settings. However, it is equally important to implement defense-in-depth, so administrators should spend enough time configuring local security policies to ensure that the firewall works even before the virtual machine downloads the security policy from the Active Directory. As an alternative solution, administrators can choose to manually configure the firewall when making the image. Patch management one of the most important things in making a virtual machine image is to install all patches for the original operating system used for mirroring. Implementing patch management in advance can save administrators a lot of time, and because virtual machines ultimately need to be created on a mirror basis, this approach can greatly reduce the number of patches installed on virtual machines. This also prevents a new virtual machine from having a critical security vulnerability on-line. The surface looks like patch management has nothing to do with virtual machine remote management, but some security patches can enhance the security of a remote management session based on the current patches installed.

PowerShell Remoting

Some businesses prefer to use the PowerShell Remoting feature to manage virtual machines. If an administrator plans to use PowerShell remoting in a virtual machine, there are a number of things to prepare in advance in the process of making the image. For example, you need to enable the WinRM service-Open the PowerShell window, and then enter the Enable-psremoting–force command.

Enhanced Session Mode

In Hyper-V environments, using enhanced session mode when connecting to a virtual machine provides many advantages because it allows local resources to be used when interacting with virtual machines. Using enhanced session mode in a virtual machine does not require much advance preparation, as most configuration processes occur at the Hyper-V level. If you plan to use enhanced session mode, the virtual machine must run an operating system that supports this feature (such as Windows 8, Windows 8.1, Windows Server 2012, or Windows Server R2). and Remote Desktop Services must be enabled in the operating system. Making a virtual machine image is a very complex process. Even so, administrators can still use their own efforts to enable mirroring to better meet current needs, such as configuring the image to enable virtual machine remote management capabilities.

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Teach you to create the perfect virtual machine image in minutes