📋 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