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A virtual private server, English virtual private server or virtual dedicated server often abbreviated VPS or VDS is a method of partitioning a server into several independent virtual servers, each with the characteristics of a dedicated server. Each server can operate with a different operating system and restart independently. The user system can be fully virtualized, paravirtualization, or a hybrid of both. Examples of paravirtualization hypervisor Xen-capable, Virtuozzo, VServer, OpenVZ and (which is open source and the development version of Virtuozzo).

A Virtual Private Server (VPS) is distinguished from another by these characteristics: Each private server ossède its own processors, users, files and provides full root access. Each VPS has its own IP address, its routing tables and filter rules. Each virtual private servers can also have its own configuration files for system and applications. In addition, a private server can have its own versions of system libraries and edit existing libraries.

It can also remove the opportunity, add or edit any file, including files in / root, and install its own applications and even change the root applications. Example: In the case of Linux, many distributions can run simultaneously on a single machine

More information about Virtual Private Server VPS

Virtual Private Servers are also known as virtual dedicated servers. They represent a form of virtualization that divides a physical server into multiple virtual servers. This practice of dividing a single virtual server to make it appear as multiple virtual servers has been frequently used in mainframe computers. However, this technique has grown recently with the development of software and technologies such as VMware, Xen, FreeBSD Jail, User-Mode Linux, Linux-VServer, FreeVPS, OpenVZ and Virtuozzo.

Linux Virtual Private Servers are ideal for managing your private space independently, in a great price – perfect for academics and non-professional developers. Virtual Private Servers allow Windows to manage the server freely with administrator access and compatibility of all Microsoft systems. The server must for users hosting MS.

Virtual private server (VPS) U.S. – one midway between: dedicated server and shared

In the area of ​​Internet hosting, VPS bridge the gap between shared hosting and dedicated hosting and are driven to become the foundation of many hosting companies. They are commonly used by businesses and individuals who need a customized solution that can be done in a shared hosting environment.

American virtual private servers have also become very popular for their ability to establish Sandbox (Sandbox). For example – a single physical server can have two virtual private servers running: he who hosts a website online and a second which houses a copy of the same site. When updates to certain components of the software are to do, they can be tested in the second VPS. This will do extensive testing without worrying about the hassle pourautant risk of incompatibility with different physical servers.

A virtual private server is also used to provide Honey Pots (honeypots), allowing a machine to run software intentionally with known security holes. As it is possible to deploy multiple virtual private servers on a single computer rather quickly, honeypots allow you to have a better understanding in the field of computer security.