#systems #WindowsServer #LinuxServer #Network #VM

It rests between the hardware and other OSs. Helps to have multiple Virtual Machines on a machine.

• Microsoft -- Hyper-V
• VirtualBox
• VMWare -- ESXi and others
• Red Hat Virtualisation

There are 2 types of Hypervisors. Type I runs on the servers directly without needing an OS. Type I is usually used for IaaS, PaaS, SaaS. Type II runs on Host OS (like Windows).

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ESXi is the hypervisor of VMware Hyper-V is the hypervisor of Microsoft.

Hypervisor helps running multiple VMs on a physical machine.

Make the resources management, like attributing enough CPU or RAM based on the VM necessities.