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📋 Virtualisation

Virtualisation creates a stimulated, or virtual, computing environment, instead of the ordinary physical environment.

One physical device can act as many virtual machines/devices. Known as VMs

What hardware can be virtualised?​

  • Sound Cards
  • Video Cards
  • CPU
  • Storage
  • Network
  • CD/Floppy
  • Servers
  • Clients
  • Switches
  • Routers

What do you need to be able to use virtualisation?​

  • Hypervisor
    • Enabled in BIOS/UEFI
  • CPU
    • Multicore 64bit processor that supports Intel virtualisation technology or AMD-V
  • Network
  • Disk

Hypervisor​

Also known as Virtual Machine Monitor (VMM)

Types​

There are two types:

  • Type 1: Server - Runs on the hardware of the device
  • Type 2: Client side - Runs on the top of an existing operating system.

Type 1 doesn't have to load an underlying OS/

What are the benefits of virtualisation?​

  • Increased productivity
  • Faster provisioning of resources
  • Reduce downtime
  • Environmentally friendly
  • Low cost
  • Quick deployment
  • Faster backups
  • Easier testing
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