Editing History

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Here we list major project milestones.

== 1999 == <!--T:2-->

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* Nov 1999: Alexander Tormasov visited Singapore and proposed a new direction to Sergey Beloussov: container virtualization. He formulated three main components: containers as a set of processes with namespace isolation, file system to share code/ram and isolation in resources.

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* {{Quote|Indeed it was 1999 when our engineers started adding bits and pieces of containers technology to Linux kernel 2.2. Well, not exactly "containers", but rather "virtual environments" at that time -- as it often happens with new technologies, the terminology was different (the term "container" was coined by Sun only five years later, in 2004).|Kir Kolyshkin|http://openvz.livejournal.com/49158.html}}

== 2000 == <!--T:5-->

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* Feb 2000: office at MIPT is established, 5 people started working on the first mockup version of Virtuozzo (namespaces, isolation, vzfs).

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* Jul 2000: limited public beta testing: two public servers (Virtuozzo 0.1 and control panels), 5000 VEs during summer. Take a look on [http://www.paul.sladen.org/vserver/aspcomplete/2000-08-25/  Virtual Environment 0.4.2 (public beta)] files.

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* Sep 2000: Andrey Savochkin from MSU started working on User Beancounters.

== 2001 == <!--T:9-->

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* Dec 2001: Virtuozzo for Windows project started

== 2002 == <!--T:11-->

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* Jan 2002: SWsoft (now known as Virtuozzo) initially released a product for Linux named Virtuozzo<ref>[http://www.odin.com/news/id,6987 SWsoft Releases Virtuozzo 2.0, Bringing Mainframe-Inspired Functionality to Intel-Based Servers]</ref>
* Feb 2002: First clients in Silicon Valley

== 2004 == <!--T:13-->

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* Dec 2004: Initial release of Virtuozzo for Windows <ref>[http://www.odin.com/news/id,7095 SWsoft Announces Virtuozzo for Windows Controlled Release]</ref>

== 2005 == <!--T:15-->

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* 2005: SWsoft created the OpenVZ Project to release the core of Virtuozzo under GNU GPL. <ref>[http://archive09.linux.com/feature/51173 SWsoft offers free, open source version of Virtuozzo]</ref>
* 2005: SWsoft acquired a hosting/development company "Express" with their own containers for FreeBSD (it was later dropped due to small number of clients).

== 2006 == <!--T:17-->

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* Jan 2006: Rebase to kernel 2.6.15<ref>[http://lwn.net/Articles/169972/ OpenVZ Project Releases Beta for Latest Linux Kernel]</ref>
* Apr 2006: Port to Fedora Core 5 kernel<ref>[http://lwn.net/Articles/178429/ OpenVZ Project Releases Software to Support Fedora Core 5]</ref>
* Aug 2006: OpenVZ is available in Debian Linux <ref>[https://lwn.net/Articles/194259/ Debian Linux Adopts OpenVZ Virtualization Software]</ref>
* Aug 2006: Rebase to RHEL 4 kernel <ref>[https://lwn.net/Articles/195780/ OpenVZ for RHEL4]</ref>
* Oct 2006: Port to SPARC<ref>[https://lwn.net/Articles/216079/ Open Source Virtualization for Sun UltraSPARC T1]</ref> and PPC<ref>[https://lwn.net/Articles/204275/ OpenVZ Virtualization Software Available for Power Processors]</ref><ref>[http://openvz.livejournal.com/10610.html OpenVZ on PPC and SPARC]</ref>
* Nov 2006: Port to 2.6.18 kernel <ref>[http://lwn.net/Articles/207716/ http://lwn.net/Articles/207716/]</ref>
* Nov 2006: OpenVZ adds live migration capability <ref>[https://lwn.net/Articles/209377/ OpenVZ adds live migration capability]</ref>

== 2007 == <!--T:19-->

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* Mar 2007: Port to RHEL5 kernel<ref>[https://lwn.net/Articles/225990/ OpenVZ software for Red Hat Enterprise Linux 5]</ref>
* Mar 2007: Port to 2.6.20 kernel<ref>[https://lwn.net/Articles/229062/ OpenVZ Virtualization for Latest Linux Kernel]</ref>
* May 2007: Knoppix-based OpenVZ Live CD<ref>[http://lwn.net/Articles/234354/ OpenVZ Live CD]</ref>
* Sep 2007: CentOS-based OpenVZ Live CD<ref>[http://lwn.net/Articles/251968/ OpenVZ CentOS Live CD]</ref>

== 2008 == <!--T:21-->

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* Jan 2008: Templates for Ubuntu 7.10<ref>[http://lwn.net/Articles/264872/ OpenVZ Virtual Appliance for Ubuntu]</ref>
* Apr 2008: Rebase to kernel 2.6.25<ref>[http://openvz.livejournal.com/21817.html 2.6.25 is out; memory controller and network namespaces are in]</ref>
* Oct 2008: Port to ARM <ref>[http://openvz.livejournal.com/24651.html OpenVZ ported to ARM (Gumstix Overo)]</ref>.
* Feb 2008: OpenVZ developers with developers from IBM added memory cgroups to Linux kernel<ref>[https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8cdea7c05454260c0d4d83503949c358eb131d17 Memory controller: cgroups setup]</ref>.
* Apr 2008: OpenVZ developers with developers from IBM added device cgroups to Linux kernel<ref>[https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=08ce5f16ee466ffc5bf243800deeecd77d9eaf50 cgroups: implement device whitelist]</ref>.

== 2009 == <!--T:23-->

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* Aug 2009: Parallels company is in Top 10 Linux kernel contributors with their patches for Linux containers. Our contributions to the kernel at that time was PID, IPC, and network namespaces, with the last one being the biggest.<ref>[http://www.linuxfoundation.org/sites/main/files/publications/whowriteslinux.pdf Linux Kernel Development Report, Aug 2009 update]</ref>

== 2011 == <!--T:25-->

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* Jul 2011: Pavel Emelyanov sent initial RFC and code<ref>[http://lwn.net/Articles/451916/ Checkpoint/restore mostly in the userspace]</ref>. The idea of CRIU of  course came up earlier when we figured we (or anyone else, for that matter) can't possibly merge in-kernel checkpoint/restore. Re-implementing it in userspace looked crazy for everyone including me, and Andrew Morton's and Linus Torvalds' initial reaction was similar ("some crazy russians").
* Sep 2011: Cyrill Gorcunov made <ref>[https://github.com/xemul/criu/commit/523de236244946a0de127dfc9954369963819ef7 First commit to CRIU (Checkpoint and Restore in Userspace)]</ref> first commit to CRIU project

== 2012 == <!--T:27-->

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* Jul 2012: CRIU v0.1 is available <ref>[http://criu.org/Download/criu#v._0.1 First CRIU public release]</ref><ref>[http://marc.info/?l=linux-kernel&m=134303203526328&w=2 Announce: Checkpoint-restore tool v0.1]</ref>
* Oct 2012: [http://wiki.openvz.org/Vzctl_for_upstream_kernel vzctl for upstream Linux kernel] is available

== 2013 == <!--T:29-->

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* May 2013: OpenVZ maintenance partnership <ref>[http://openvz.livejournal.com/44228.html Announcing the OpenVZ Maintenance Partnership]</ref>

== 2014 == <!--T:31-->

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* Dec 2014: Parallels announced merging OpenVZ and Parallels Cloud Server into single common open source codebase<ref>[http://openvz.livejournal.com/49158.html OpenVZ past and future]</ref>

== 2015 == <!--T:33-->

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* Apr 2015: Source code of RHEL7-based kernel was published and kernel development process become open<ref>[http://lists.openvz.org/pipermail/announce/2015-April/000579.html Odin published source code of kernel 3.10]</ref>.
* Jun 2015: Source code of most userspace utilities was published <ref>[http://lists.openvz.org/pipermail/announce/2015-June/000592.html Odin published source code of Virtuozzo userspace utilities]</ref> 
* Jul 2015: Published yum repository with Virtuozzo RPM packages and installation ISO image <ref>[http://lists.openvz.org/pipermail/announce/2015-July/000606.html Odin published Virtuozzo binaries and installation image]</ref>.

== References == <!--T:35-->
{{Reflist|30em}}

== External links == <!--T:36-->

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* [[History of containers in Linux kernel]]
* [http://criu.org/History CRIU History]
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