From the course: Cloud and Virtualization for IT Support Professionals by Pearson

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Virtual machines (VM) and hypervisors

Virtual machines (VM) and hypervisors

From the course: Cloud and Virtualization for IT Support Professionals by Pearson

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Virtual machines (VM) and hypervisors

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In this lesson, we're going to cover virtual machines or VMs and hypervisors and what they're used for. These are extremely valuable, extremely important, and extremely relevant in what we do nowadays. So what is a VM or virtual machine? It is a software-based simulation of a physical computer or device, meaning you can take a server and virtualize it, and it is all the settings, the host name, it's a fully functioning server with whatever applications are running on it, and it's running in memory and on shared hard disks and things of that nature, just like you would have a single application running on a bare bones server. The reason this is so incredible is because it allows you to put multiple versions of servers onto a single device, meaning you can run multiple logical software servers on a physical single hardware device. This is game changing. This has been around for quite a while, but this is why it's so valuable. In hypervisors, it's the same concept. It's a software layer…

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