You may be aware that a VPS is simply a virtual dedicated server with a set amount of RAM and CPU power allocated to it, but how exactly is a VPS “built” ?

As the name implies, virtual private servers don’t exist in physical form. You can’t go to a hardware vendor and buy a VPS. But what you can do is use virtualization software like the popular Virtuozzo to split a dedicated server into smaller pieces.

A provider might, for example, have a server with 4 GB of RAM and a 2 GHz CPU. The owner could rent it as-is, or use Virtuozzo to split it up into any number of configurations. The resources could be evenly allocated between two users or sixteen. Either way, Virtuozzo will segment the server into different parts and each will operate as if it were its own dedicated server, complete with the ability to install and OS and reboot without disrupting the other virtual servers.

Photo | Flickr

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