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'''OpenVZ''' is a container-based virtualization for Linux. OpenVZ creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict. Each container performs and executes exactly like a stand-alone server; a container can be rebooted independently and have root access, users, IP addresses, memory, processes, files, applications, system libraries and configuration files.
  
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<div style="margin-top:0.5em; margin-bottom:0.5em; padding:0.5em 0.5em 0.5em 0.5em; align:right;">
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OpenVZ is free open source software, available under GNU GPL.
  
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'''OpenVZ''' is a project that combines the following container virtualization technologies for Linux:
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OpenVZ is the basis of [[Virtuozzo]], a virtualization solution offered by [http://www.virtuozzo.com/ Virtuozzo] company. Virtuozzo is optimized for hosters and offers hypervisor (VMs in addition to containers), [[Virtuozzo_Storage|distributed cloud storage]], dedicated support, management tools, and easy installation.
  
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* [[Download/kernel|Virtuozzo kernel]], a Linux kernel with patches that implements OpenVZ kernel functionality.
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== Installation and usage ==
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* Management utilities, such as [[Download/vzctl|vzctl]], for managing container life cycle.
 
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* [http://criu.org/ Checkpoint/Restore In Userspace], or CRIU, is a software tool for Linux that enables you to freeze a running application (or a part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at.
 
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* [[Ploop]] is a disk loopback block device, not unlike loop but with many features like dynamic resize, snapshots, backups etc. The main idea is to put container filesystem in a file.
 
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* [http://criu.org/P.Haul P.Haul] is the project on top of CRIU that implements the live migration usage scenario.
 
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* [[LibCT]] is a container management library that provides a convenient API for front-end programs for managing the entire container life cycle.
 
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* [[VCMMD]] is a Virtuozzo Containers memory management daemon. Upstream technology to manage containers memory.
 
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OpenVZ is free open source software, available under GNU GPL or compatible licenses.
 
  
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[[Virtuozzo]] is a Linux distribution based on OpenVZ components.
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OpenVZ is easy to install if you already have Linux installed on your machine. See [[quick installation]] for installation info. Alternatively, you can try a [[Download live CD|live CD]] to test drive the technology without a need to install anything.
  
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</div>
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A comprehensive (although somewhat old) {{PDFlink|[[download:doc/OpenVZ-Users-Guide.pdf|doc/OpenVZ-Users-Guide.pdf]]| 1.3&nbsp;MB}} is a good start. This wiki also has a lot of information (use search function, see [[Special:Categories|list of all categories]] or [[Special:Allpages|list of all pages]].
  
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<div style="margin-top:0.5em; margin-bottom:0.5em; padding:0.5em 0.5em 0.5em 0.5em; align:right;">
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== Support ==
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OpenVZ uses GIT for [https://src.openvz.org/projects/OVZ source control]. Attention: we use [[How_to_submit_patches|different workflows]] for [[Userspace_patches|userspace]] and [[kernel patches]].
 
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{| cellspacing=0 cellpadding=8 border=0 margin=0 padding=0 align="top" width=100%
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The supported version of OpenVZ is [https://virtuozzo.com/openvz Virtuozzo].
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=== Free support ===  
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ICON = <small>[[Benefits|More...]]</small>|
 
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HEADING = <span style="font-variant:small-caps; font-size:120%">Benefits</span>|
 
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CONTENT =
 
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<small>
 
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* 100% Free Software (GPL), no royalties, no license fees!
 
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* [[Security|Secure]]
 
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* [[WP/Containers_density|Scalable]]
 
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* [[Virtuozzo_ecosystem|Flexible]]
 
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</small>
 
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}}
 
  
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Please read the documentation before asking questions. Check the [[FAQ]], use [[google:openvz|Google]], search both this wiki and the [http://forum.openvz.org/index.php?t=search forum]. If this doesn't help, ask on either [[forum:|forum]] or a [[mailing list]]. Please report all bugs to [https://bugs.openvz.org/ OpenVZ bug tracker].
  
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== This wiki ==
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ICON = <small>[[Use cases|More...]]</small>|
 
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HEADING = <span style="font-variant:small-caps; font-size:120%">Use cases</span>|
 
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CONTENT =
 
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<small>
 
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* Hosting
 
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* Server consolidation
 
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* Development and testing
 
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* Educational
 
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</small>
 
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This site is a wiki — the place to gain and share your OpenVZ knowledge. Wiki is a documentation portal, a knowledge base, a collaboration tool. Everyone (you!) can create or edit content, it's really easy. For information about wiki syntax and wiki editing, see [[meta:Help:Editing]].
  
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{{Box|
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Below are a few links you can start from. In addition, you might want to take a look at the list of [[Special:Categories|all categories]] or [[Special:Allpages|all pages]].
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ICON = <small>[[Virtuozzo_ecosystem|More...]]</small>|
 
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HEADING = <span style="font-variant:small-caps; font-size:120%">OpenVZ ecosystem</span>|
 
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CONTENT =
 
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<small>
 
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* [[Virtuozzo_ecosystem#API|API]]
 
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* [[Virtuozzo_ecosystem#Configuration_management|Configuration management]]
 
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* [[Virtuozzo_ecosystem#CT.2FVM_management|CT/VM management]]
 
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* [[Virtuozzo_ecosystem#Hosting_automation|Hosting automation]]
 
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* [[Virtuozzo_ecosystem#Monitoring|Monitoring]]
 
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* Storage
 
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</small>
 
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}}
 
  
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;[[:Category: Concepts|Concepts]]
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: OpenVZ and virtualization concepts
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;[[:Category: Technology|Technology]]
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: Description of OpenVZ technologies
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;[[:Category: Installation|Installation]]
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: How to install OpenVZ
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;[[:Category: Templates|Templates]]
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: Everything about OpenVZ templates
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;[[:Category: Kernel|Kernel]]
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: Articles concerning OpenVZ kernel
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;[[:Category:Troubleshooting|Troubleshooting]]
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: What to do if something fails
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;[[:Category:Networking|Networking]]
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: Networking-related articles
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;[[:Category:Storage|Storage]]
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: Storage-related articles (mostly [[ploop]] and [[pstorage]])
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;[[:Category:HOWTO|HOWTOs]]
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: How to do something
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;[[FAQ]]
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: Frequently Asked Questions
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;[[Artwork]]
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: Show your appreciation of OpenVZ on your site using these images
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;[[:Category:Definitions|Definitions]]
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: Short definitions of various terms used in OpenVZ
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;[[History]]
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: list of major project milestones
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;[[Interviews]]
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: public conversations with OpenVZ developers
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;[[Comparison]]
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: to other container solutions
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;[[Roadmap]]
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: past and future releases of OpenVZ and its components
  
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{| cellspacing=5 cellpadding=15 border=0 valign="top" width=100%
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== External links ==
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* [[wikipedia:OpenVZ]]
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* [http://criu.org criu.org]
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* [[meta:Help:Editing]]
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[[Image:Placeholder.png]]
 
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'''<span style="font-variant:small-caps; font-size:150%">About</span>'''<br /><small>Find out more about OpenVZ.</small><small><hr />[[Roadmap]] | [[Releases]] | [[News/events|Events]] | [[Podcasts]] | [[Interviews]] | [[Artwork]] | [[History]] | [[Screencasts]] | [[Contributors]] | [[Sponsors]] | [[Success stories]] | [https://www.youtube.com/c/OpenVZorg Talks] [[Contacts]]</small>
 
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'''<span style="font-variant:small-caps; font-size:150%">Developers</span>'''<br /><small>Get involved! Help us make OpenVZ better.</small><small><hr />[[How to submit patches]] | [[QA]] | [https://src.openvz.org/projects/OVZ Browse Source code] | [[Contribute|Where to start]] | [[Membership]] | [[Packages]]</small>
 
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'''<span style="font-variant:small-caps; font-size:150%">Technical information</span>'''<br /><small>Technical details about OpenVZ.</small><small><hr />[[:Category:HOWTO | HOWTO]] | [[FAQ]] | [[:Category:Definitions | Definitions]] | [[:Category:Templates | Templates]] | [[:Category:Technology | Technology]] | [[:Category:Networking | Networking]] | [[:Category:Storage | Storage]] | [[:Category:Kernel | Kernel]] | [[:Category:Installation | Installation]] | [http://criu.org CRIU guts]</small>
 
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'''<span style="font-variant:small-caps; font-size:150%">Related Tools</span>'''<br /><small>Information about OpenVZ components.</small><small><hr />[http://criu.org CRIU] | [[Download/vzctl|vzctl]] | [[LibCT]] | [[QEMU]] | [[LibVirt]] | [[Ploop]] | [http://criu.org/P.Haul P.Haul]</small>
 
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'''<span style="font-variant:small-caps; font-size:150%">Getting Started</span>'''<br /><small>Download OpenVZ/Virtuozzo and get started.</small><small><hr />[[Quick installation]] | [[Man|Legacy OpenVZ manual pages]] | [http://download.openvz.org/doc/ Legacy OpenVZ documentation] | [http://docs.openvz.org/ Virtuozzo documentation]</small>
 
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'''<span style="font-variant:small-caps; font-size:150%">Support</span>'''<br /><small>Learn how to contact us and find help and support.</small><small><hr />[[FAQ]] | [[Mailing lists]] | [[IRC]] | [https://forum.openvz.org/ Forum] | [[:Category:Concepts | Concepts]] | [[:Category:Troubleshooting | Troubleshooting]] | [http://www.odin.com/support/virtualization-suite/openvz/ Professional support] | [[Contacts]]</small>
 
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{{News sidebar1}}
 
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__NOTOC__
 
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__NOEDITSECTION__
 

Latest revision as of 02:42, 27 November 2018

OpenVZ Comparison 1200X200.png


Events
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More events… – Past events…


Software updates
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More updates… – Downloads

Support forum posts
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OpenVZ Forum

OpenVZ is a container-based virtualization for Linux. OpenVZ creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict. Each container performs and executes exactly like a stand-alone server; a container can be rebooted independently and have root access, users, IP addresses, memory, processes, files, applications, system libraries and configuration files.

OpenVZ is free open source software, available under GNU GPL.

OpenVZ is the basis of Virtuozzo, a virtualization solution offered by Virtuozzo company. Virtuozzo is optimized for hosters and offers hypervisor (VMs in addition to containers), distributed cloud storage, dedicated support, management tools, and easy installation.

Installation and usage

OpenVZ is easy to install if you already have Linux installed on your machine. See quick installation for installation info. Alternatively, you can try a live CD to test drive the technology without a need to install anything.

A comprehensive (although somewhat old) doc/OpenVZ-Users-Guide.pdf ( 1.3 MB) is a good start. This wiki also has a lot of information (use search function, see list of all categories or list of all pages.

Support

The supported version of OpenVZ is Virtuozzo.

Free support

Please read the documentation before asking questions. Check the FAQ, use Google, search both this wiki and the forum. If this doesn't help, ask on either forum or a mailing list. Please report all bugs to OpenVZ bug tracker.

This wiki

This site is a wiki — the place to gain and share your OpenVZ knowledge. Wiki is a documentation portal, a knowledge base, a collaboration tool. Everyone (you!) can create or edit content, it's really easy. For information about wiki syntax and wiki editing, see meta:Help:Editing.

Below are a few links you can start from. In addition, you might want to take a look at the list of all categories or all pages.

Concepts
OpenVZ and virtualization concepts
Technology
Description of OpenVZ technologies
Installation
How to install OpenVZ
Templates
Everything about OpenVZ templates
Kernel
Articles concerning OpenVZ kernel
Troubleshooting
What to do if something fails
Networking
Networking-related articles
Storage
Storage-related articles (mostly ploop and pstorage)
HOWTOs
How to do something
FAQ
Frequently Asked Questions
Artwork
Show your appreciation of OpenVZ on your site using these images
Definitions
Short definitions of various terms used in OpenVZ
History
list of major project milestones
Interviews
public conversations with OpenVZ developers
Comparison
to other container solutions
Roadmap
past and future releases of OpenVZ and its components

External links

Retrieved from "https://wiki.openvz.org/index.php?title=Main_Page&oldid=23042"