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Events
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Linux Plumbers

October 15-17, 2014, Dusseldorf, Germany

Containers mini-conf -- Pavel Emelyanov, Kir Kolyshkin

More events…Past events…


Software updates
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  • Kernel RHEL6 042stab094.7 (moved to stable) 06 Nov 2014
  • Kernel RHEL6 testing 042stab094.7 06 Nov 2014
  • Templates update October 2014 22 Oct 2014
  • Kernel RHEL6 testing 042stab094.6 15 Oct 2014
  • vzctl 4.8 06 Oct 2014
More updates…Downloads

Twitter posts

  • _openvz_: RT @jejb_: Firstly, the LXD announcement was actually demoing our live migration technology (http://t.co/UwCT4c1q00) #containerchat 11 Nov 2014
  • _openvz_: @jetfirenetworks security@openvz.org 09 Nov 2014
  • _openvz_: Although the bug was found during internal audit and we are not aware of any public exploit, please update https://t.co/RUM9tV0BjA 06 Nov 2014
  • _openvz_: Important security fix in kernel 042stab094.7 prevents CT to access host FS, upgrade your nodes ASAP https://t.co/RUM9tV0BjA 06 Nov 2014
  • _openvz_: RT @RobertJFClarke: Gotta love how easy it is to move @_openvz_ VMs around. 02 Nov 2014
OpenVZ at Twitter

Livejournal blog posts
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  • Donation: a way to help or just say thanks 09 Jul 2014
  • Yet more live migration goodness 12 Jun 2014
  • please support OpenVZ development 05 Jun 2014
  • An interview with ANK 15 Apr 2014
  • ploop and live migration: 2 years later 04 Apr 2014
OpenVZ at Livejournal

Google+ posts
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  • Oh, and in case you haven't read this interview with ANK, you should. 24 Apr 2014
  • For many years, when people asked us how can they help the project, our typical answer was something... 09 Jul 2014
  • Reshared post from OpenVZ: 12 Jun 2014
  • As soon as this Saturday in Austin, TX, our own +Kirill Kolyshkin will tell the Texas Linux Fest audience... 11 Jun 2014
  • More than 500 people circled us here. If every one can donate $10, it will cover our immediate needs... 30 Jul 2014
OpenVZ at Google+

Support forum posts
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  • Re: second level quotas broken after online migration 13 Nov 2014
  • vzctl snapshots vs ploop snapshots 08 Nov 2014
  • Re: Bind Mount + User Quotas: Is it possible? 07 Nov 2014
  • Re: Centos 6.6 IPV6 not working 07 Nov 2014
  • Re: Centos 6.6 IPV6 not working 07 Nov 2014
OpenVZ Forum

OpenVZ is 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. For more information about the technology and how it differs from the others like Xen, VMware etc., see introduction to virtualization, doc/openvz-intro.pdf (73 KB) or wikipedia:OpenVZ.

OpenVZ software consists of an optional custom Linux kernel and command-line tools (mainly vzctl). Our kernel developers work hard to merge containers functionality into the upstream Linux kernel, making OpenVZ team the biggest contributor to Linux Containers (LXC) kernel, with features such as PID and network namespaces, memory controller, checkpoint-restore (see CRIU.org) and much more. OpenVZ tools (vzctl) is a solid alternative to LXC tools, see vzctl for upstream kernel for more details. While OpenVZ can be used with recent upstream kernel, we recommend using OpenVZ kernel for security, stability and features.

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

Tweet

OpenVZ is the basis of Parallels Cloud Server, a commercial virtualization solution offered by Parallels. Parallels Cloud Server is optimized for hosters and offers hypervisor (VMs in addition to containers), distributed cloud storage, dedicated support, management tools, and easy installation. To learn more about Parallels Cloud Server and request a free trial, please click here.

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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.

Control panels

OpenVZ comes with command line tools only. If you need management tools, consider upgrade to Parallels Cloud Server.

Also, there is a list of third-party software (both free and proprietary) available at Control panels. If you can't make your choice, we recommend:

  • Parallels Plesk for using inside a container
  • OVZ Web panel for managing containers


Support

Parallels is now offering an OpenVZ Maintenance Partnership program. The program provides bug resolution support and feature development to the OpenVZ community. The OpenVZ Maintenance Partnership has a small annual fee and provides two benefits to partnership members.

  • Partnership members will receive a support ID that will allow them to submit up to10 high priority bugs per year. These bugs will be placed at the highest priority level in the development stack.
  • Partnership members will also be able to submit a feature request(s) which will be reviewed by the Parallels engineering team. They will work with you to clarify the requirements and implementation options and provide an implementation estimate and a schedule.

Learn more and join the OpenVZ Maintenance Partnership

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 bugzilla.

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

External links

  • wikipedia:OpenVZ
  • meta:Help:Editing
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