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2. Virtual private server - Wikipedia

   en.wikipedia.org/wiki/Virtual_private_server

   A virtual private server (VPS) is a virtual machine sold as a service by an Internet hosting service. [1] The term "virtual dedicated server" (VDS) has a similar meaning.A virtual private server runs its own copy of an operating system (OS), and customers may have superuser-level access to that operating system instance, so they can install almost any software that runs on that OS.

3. Virtual server - Wikipedia

   en.wikipedia.org/wiki/Virtual_server

   Virtual private server, a method of server hosting using virtual machines; Virtual hosting, a method that servers such as webservers use to host more than one domain name on the same computer. Virtual hosting service, a form of web hosting service where more than one instance of the same web server is hosted on a single physical server.

4. Virtual machine - Wikipedia

   en.wikipedia.org/wiki/Virtual_machine

   In computing, a virtual machine (VM) is the virtualization or emulation of a computer system. Virtual machines are based on computer architectures and provide the functionality of a physical computer. Their implementations may involve specialized hardware, software, or a combination of the two.

5. Hypervisor - Wikipedia

   en.wikipedia.org/wiki/Hypervisor

   The flexibility of virtual server environment (VSE) has given way to its use more frequently in newer deployments. [citation needed] IBM provides virtualization partition technology known as logical partitioning (LPAR) on System/390, zSeries, pSeries and IBM AS/400 systems. For IBM's Power Systems, the POWER Hypervisor (PHYP) is a native (bare ...

6. Virtualization - Wikipedia

   en.wikipedia.org/wiki/Virtualization

   The primary driver was the potential for server consolidation: virtualization allowed a single server to cost-efficiently consolidate compute power on multiple underutilized dedicated servers. The most visible hallmark of a return to the roots of computing is cloud computing , which is a synonym for data center based computing (or mainframe ...

7. Linux-VServer - Wikipedia

   en.wikipedia.org/wiki/Linux-VServer

   Each partition is called a security context, and the virtualized system within it is the virtual private server. A chroot -like utility for descending into security contexts is provided. Booting a virtual private server is then simply a matter of kickstarting init in a new security context; likewise, shutting it down simply entails killing all ...