π 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?β
- Sound Cards
 - Video Cards
 - CPU
 - Storage
 - Network
 - CD/Floppy
 - Servers
 - Clients
 - Switches
 - Routers
 
What do you need to be able to use virtualisation?β
- Hypervisor
- Enabled in BIOS/UEFI
 
 - CPU
- Multicore 64bit processor that supports Intel virtualisation technology or AMD-V
 
 - Network
 - Disk
 
Hypervisorβ
Also known as Virtual Machine Monitor (VMM)
Typesβ
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?β
- Increased productivity
 - Faster provisioning of resources
 - Reduce downtime
 - Environmentally friendly
 - Low cost
 - Quick deployment
 - Faster backups
 - Easier testing