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πŸ“‹ 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
- Storage
- Network
- CD/Floppy
- Servers
- Clients
- Switches
- Routers

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

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


Also known as Virtual Machine Monitor (VMM)


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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