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Blog posts
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OpenVZ 7.0 released

I&#39;m pleased to announce the release of OpenVZ 7.0. The new release focuses on merging OpenVZ and <a href="" rel="nofollow">V...
estetus 2016-07-26 07:22:21
Meet OpenVZ at FOSDEM 2016
<img alt="" src="" style="color: rgb(34, 34, 34); font-family: Arial, sans-serif; font-size: 14px; li...
estetus 2016-01-18 14:18:02
Join Our Team at OpenStack Summit 2015 Tokyo
<img src="
estetus 2015-09-16 08:47:23
An interview with OpenVZ kernel developer, from 2006
It was almost 10 years ago that I organized a interview with our at-that-time kernel team leader Andrey Savochkin, which was published on April 18, 2006. As years go by, kerneltrap.o...
k001 2015-08-11 20:46:29
New OpenVZ bug tracker
We are pleased to announce the <a href="" rel="nofollow">new OpenVZ bug tracker</a>.<br /><br />After using Bugzilla for a de...
estetus 2015-08-11 12:54:36
OpenVZ developers workplaces
When we <a href="" rel="nofollow">asked</a> in Twitter about desired themes someone <a href="https&...
estetus 2015-08-09 18:12:33
Join Our Team at ContainerCon 2015 Seattle
We're very excited that this year OpenVZ will have exhibit space at <a href="" rel="nofollow">ContainerCon<...
estetus 2015-08-06 16:43:18
OpenVZ upgrade and migration script
''Author:'' Andre Moruga<br /><br />Every now and then our team is asked question "How do I move a container created on OpenVZ to Virtuozzo"? This is one of the issues which w...
estetus 2015-08-06 15:40:33
OpenVZ survey results (May - July 2015)
Now we are ready to publish results of survey which was in May-July 2015.<br />There are 91 people participated. votes gathered from 19 May till 1 July 2015.<br /><br /><br /&g...
estetus 2015-07-31 17:50:01
Publishing of Virtuozzo 7 Technical Preview - Containers
We are pleased to announce the official release of Virtuozzo 7.0 Technical Preview - Containers.<br /><br />It has been <a href="" rel="no...
estetus 2015-07-27 20:12:02
[Security] Important information about latest kernel updates
Last time we released a few kernel updates with security fixes:<br /><br /><ul><br /><br /><li>Critical security issue was fixed in <a href="https://...
estetus 2015-07-23 13:40:11
Parallels and Docker: Not Just Competition
<img alt="" height="600" src="" title="Pavel Emelyanov, CRIU project mantainer" width=...
estetus 2015-07-03 17:03:29
Analyzing OpenVZ Components with PVS-Studio
'''Author:''' Svyatoslav Razmyslov<br /><br />In order to demonstrate our analyzer's diagnostic capabilities, we analyze open-source projects and write articles to discuss any inter...
estetus 2015-07-03 07:41:45
OpenVZ / Virtuozzo 7 First Impressions
Odin and the OpenVZ Project announced the beta release of a new version of Virtuozzo today. This is also the next version of OpenVZ as the two are merging closer together.<br /><br />Th...
dowdle 2015-07-01 21:35:00
Publishing of Virtuozzo builds
<pre style="white-space: pre-wrap; color: rgb(0, 0, 0); line-height: normal;">We are ready to announce <a href="
estetus 2015-07-01 17:02:51
Building a Fedora 22 MATE Desktop Container
Fedora 22 was released today. Congrats Fedora Project!<br /><br />I updated the Fedora 22 OS Template I contributed so it was current with the release today... and for the fun of it I...
dowdle 2015-05-26 23:17:51
CRIU on FLOSS Weekly
Here's another video... this one from FLOSS Weekly where they talk about CRIU (Checkpoint & Restore In Userspace) which is closely related to OpenVZ and will be used in the EL7-based OpenVZ...
dowdle 2015-05-01 16:23:41
Kir's presentation from LFNW 2015
OpenVZ Project Leader Kir Kolyshkin gave a presentation on Saturday, April 25th, 2015 at LinuxFest Northwest entitled, "OpenVZ, Virtuozzo, and Docker". I recorded it but I think my sdcar...
dowdle 2015-05-01 15:59:00
OpenVZ past and future
Looking forward to 2015, we have very exciting news to share on the future on OpenVZ. But first, let's take a quick look into OpenVZ history.<br /><br />Linux Containers is an ancie...
k001 2014-12-26 23:57:50
On kernel branching
This is a topic I always wanted to write about but was afraid my explanation would end up very cumbersome. This is no longer the case as we now have a picture that worth a thousand words!<br /&g...
k001 2014-11-26 22:36:08
Donation: a way to help or just say thanks
For many years, when people asked us how can they help the project, our typical answer was something like "just use it, file bugs, spread the word". Some people were asking specifically a...
k001 2014-07-09 20:05:13
Yet more live migration goodness
It's been two months since we have released vzctl 4.7 and ploop 1.11 with<a href="" rel="nofollow">some vital improvementst...
k001 2014-06-12 23:35:15
please support OpenVZ development
<blockquote class="twitter-tweet" data-partner="tweetdeck">Buy us a server to support openvz devel today: $500 <a href="" rel="...
k001 2014-06-05 20:46:44
An interview with ANK
This is a rare interview with the legendary Alexey Kuznetsov (a.k.a. ANK), who happen to work for Parallels. Alan Cox once said he had thought for a long time that "Kuznetsov" is a collec...
k001 2014-04-15 03:13:00
ploop and live migration: 2 years later
It has been almost two years since we wrote about <a href="" rel="nofollow">effective live migration with ploop write tracker&l...

k001 2014-04-04 02:45:52

Support forum posts

Re: OpenVZ 7.0.12 packages missing from repo

Hey ccto,<br /><br />It does show up when I run yum update: ---&gt; Package vzkernel.x86_64 0:3.10.0-1062.4.2.vz7.116.6 will be installed<br />
websavers 2019-12-06 17:15:54
Re: OpenVZ 7.0.12 packages missing from repo
Do you find the kernel - 3.10.0-1062.4.2.vz7.116.6 - inside yum ?<br /><br />I do not find it.<br /><br />After updating to &quot;Virtuozzo Linux release 7.7&quot;,...
ccto 2019-12-06 06:52:56
Re: OpenVZ 7.0.12 packages missing from repo
<cite>websavers wrote on Thu, 05 December 2019 00&#58;45</cite><blockquote>Thanks for pointing me in the right direction! The URL I posted was only for future updates to that...
khorenko 2019-12-05 10:43:46
Re: OpenVZ 7.0.12 packages missing from repo
Thanks for pointing me in the right direction! The URL I posted was only for future updates to that release?
websavers 2019-12-04 21:45:33
Re: OpenVZ 7.0.12 packages missing from repo
Hi Jordan,<br /><br />here you are: <a href="">
khorenko 2019-12-04 21:44:01
OpenVZ 7.0.12 packages missing from repo
Hey guys,<br /><br />Going to the OpenVZ 7.0.12 release repo shows no packages: <a href="https&#58;&#47;&#47;
websavers 2019-12-04 19:20:07
Re: Is ploop stable/Any progress on quotas for simfs
<cite>ccto wrote on Sun, 17 November 2019 22&#58;30</cite><blockquote>1. You may mount the ploop snapshot to some mountpount (e.g.) /mnt, and make the incremental file-based b...
websavers 2019-11-18 14:05:18
Re: Is ploop stable/Any progress on quotas for simfs
1. You may mount the ploop snapshot to some mountpount (e.g.) /mnt, and make the incremental file-based backup of that mountpoint. Then, you can restore it file by file.<br /><br />2....
ccto 2019-11-18 02:30:35
Re: Is ploop stable/Any progress on quotas for simfs
We've also been using OpenVZ 7 with ploop (transferred most containers from OpenVZ6 SIMFS) for about 2 years now. We were a bit hesitant to use ploop because of those past reports on these foru...
websavers 2019-11-17 19:07:48
Re: CentOS 8
I'm sure we can somehow use customized template option to perform all this:<br /><br /><a href="

sahostking 2019-11-17 17:25:00

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Press announcements

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In the press
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Welcome to OpenVZ Wiki!

Virtuozzo OpenVZ-Campaign banner 1154x60 20180417 v3.jpg
OpenVZ is container-based virtualization for Linux. OpenVZ creates multiple secure, isolated 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 is free open source software, available under GNU GPL.

OpenVZ is the basis of Parallels Virtuozzo Containers, a commercial virtualization solution offered by Parallels. OpenVZ project is supported by Parallels.

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 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.


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.

Commercial support is also available, email for details.


I'm curious. For the past few months, have discovered (and fixed) an ongoing stream of obscure but serious and quite long-standing bugs.

How are you discovering these bugs?

Andrew Morton, Devel mainling list

See more testimonials, or add your own.

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.

OpenVZ and virtualization concepts
Description of OpenVZ technologies
How to install OpenVZ
Everything about OpenVZ templates
Articles concerning OpenVZ kernel
What to do if something fails
Networking-related articles
How to do something
Frequently Asked Questions
Show your appreciation of OpenVZ on your site using these images
Short definitions of various terms used in OpenVZ

Tag cloud

These are the main categories (tags) used in this Wiki. The bigger the word is, the more articles are under this category.

<tagcloud> exclude=Templates_for_kernel_download_pages,Templates_for_tools_download_pages,Templates_for_download_pages </tagcloud>

External links