VMs are software-based environments that act like fully independent computers that are installed on a hardware system. They utilize software called Hypervisor to divide hardware resources, such as memory, CPU and storage. A virtual machine can use a different operating system, such as Windows for business applications or Linux for software development.
Utilizing virtual systems lowers the chance of system failure and lets you quickly restore your data back to a earlier date. You can also test and deploy either new or older applications in a sandbox to ensure that they function in the way you expect without disrupting production.
You can put multiple VMs onto one physical computer that will lower your operating and capital costs. It also eliminates duplicate backup systems and reduces the amount of data that you must keep. And, with cloud-based VMs it’s easy to access your data from any location with an internet connection and eliminate the need for offsite backup locations.
A VM can be run on any hardware that meets the requirements for performance of your business, including desktops and servers. Each Hypervisor has pros and cons that are crucial for small companies. VMware vSphere and ESX/ESXi are the most popular choice. It is an enterprise-ready system with increased security hosts that can be created with up to 128 vCPUs and 6TB of RAM, access based on role, extensive logging and auditing. Microsoft Hyper-V is another popular alternative. It is cheaper and simpler to manage than vSphere however it has the same capabilities.
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