VMs are software systems that function as completely independent computers within a hardware system. They use software called Hypervisor to divide hardware resources, such as CPU, memory and storage. A virtual machine can then use a different operating system, like Windows for business applications or Linux for software development.
Virtual systems minimize the chance of a system malfunction, and permit you to restore your data quickly to an earlier point in time. You can also test and deploy either new or older applications in a sandbox environment to ensure that they perform in the way you expect, without disrupting production.
The ability to run multiple VMs on the same physical server means that you’ll need less equipment and lower capital and operational costs. It also eliminates duplicate or backup systems and reduces the amount of data that you have to keep. Cloud-based VMs allow you to access your data from anywhere with an internet connection, removing the requirement for storage offsite.
A VM can be used on any hardware that meets the requirements for performance of your company, which includes desktops and servers. Each Hypervisor has pros and cons that are vital for small businesses. The most popular option virtual systems for your business is VMware VSphere with ESX/ESXi. This is an enterprise-ready option that offers enhanced security hosts that can be made with up to 128 vCPUs and 6TB of RAM, access via role-based access, extensive logs and auditing. Another option that is gaining popularity is Microsoft Hyper-V. It is cheaper and more manageable than vSphere however it has the same capabilities.
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