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OpenVZ

OpenVZ

OpenVZ is an open source operating system-level virtualization technology based on the Linux kernel and operating system. OpenVZ allows a physical server to run multiple isolated operating system instances. These are secure, isolated containers. Each container performs and executes exactly like a stand-alone server.

OpenVZ is not true virtualization but similiar to FreeBSD Jails.

OpenVZ is a highly scalable virtualization technology with minimal overhead, good isolation and rapid customer provisioning.

OpenVZ consists of a kernel, user-level tools and templates.

The OpenVZ kernel is a Linux kernel, modified to add support for OpenVZ containers. The modified kernel provides virtualization, isolation, resource management, and checkpointing.

OpenVZ is the basis of Parallels Cloud Server, a commercial virtualization solution offered by Parallels.

 OpenVZ

Price
Free to download

Size
-
License

GNU GPL v2

Developer
Community project, with help from Parallels, Inc.

Website
openvz.org

System Requirements
vzctl
vzquota
ploop

Support:
Blog, FAQ, Forums, Facebook, Twitter, Google+

Selected Reviews:
Superb Internet

Features include:

  • OpenVZ employs a single kernel model, it is as scalable as the Linux kernel - up to thousands of CPUs and terabytes of RAM
  • Virtualization overhead observed in OpenVZ is minimal so that there is very little performance degradation
  • Serve more containers from a given physical server, so long as the computational demands do not exceed the physical availability.
  • A root user of an OpenVZ physical server can see all the running processes and files of all the containers on the system
  • Rapid customer provisioning
  • Updates provisioning

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Last Updated Sunday, August 17 2014 @ 03:42 AM EDT


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