📋 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