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{{Virtuozzo}}
== General ==
===== Who needs OpenVZ? How it can be usedSo what is Virtuozzo? =====:See [[Use cases]]Virtuozzo is a Linux based virtualization platform, combining container and hypervisor virtualization, into a single product. While primarily built for service providers to run cloud services and applications, it is used by variety of businesses, including MSP, SMB and Enterprises.
===== How What is OpenVZ different from other technologiesand how it compares to Virtuozzo? =====:See [[Introduction to virtualization]]OpenVZ is a free and opensource portion of Virtuozzo. It includes core of Virtuozzo functionality, like kernel and command line management tools for creating and managing containers. Virtuozzo includes everything that OpenVZ does, plus additional features and services available with the commercial version only.
===== How is does Virtuozzo 7/OpenVZ updated pair compares to its predecessor (Virtuozzo versions 4.x and why it is secure? 6/OpenVZ) =====:See [[Security]]Previously, OpenVZ and Virtuozzo were built out of the same code base with some unique patches applied. That warranted the user interfaces to be similar but not identical. With Virtuozzo 7, the compatibility will be on the binary level - effectively the open source components will be the same between OpenVZ and Virtuozzo.
===== I want to show my appreciation to How OpenVZ and put some logo to my site. Where to get users will benefit from it? =====:See [[Artwork]]OpenVZ components will be undergoing the same testing procedures as the commercial product. Also, some new features previously available on Virtuozzo only (notably hypervisor) will become available on the product built for OpenVZ community users.
== Installation and upgrade === What support options are available for Virtuozzo 7? =====For the moment, only preview (beta) versions of Virtuozzo 7 are available. They are intended for development and testing only, not for production. Virtuozzo 7 is not yet commercially supported. For supported commercial version, please refer to [http://www.odin.com/products/virtuozzo/ Virtuozzo 6].
===== What hardware is supported by Why I need Virtuozzo/OpenVZ kernelwhen LXC exist? =====:See our [[http://www.swsoft.com/en/products/virtuozzo/hcl/ Virtuozzo HCLcomparison]]of different virtualization solutions.
===== Why there are different When OpenVZ will be in upstream kernel flavours available and what do they mean? =====Our kernel developers [http://openvz.org/File:See [[Different Kernel_patches_stats.png work hard] to merge containers functionality into the upstream Linux kernel flavors , making OpenVZ team the biggest contributor to Linux Containers (UPLXC) kernel, SMPwith features such as PID and network namespaces, ENTERPRISEmemory controller, ENTNOSPLIT)]]checkpoint-restore and much more.
===== What does 021stab018 in I want to show my appreciation to OpenVZ kernel version meanand put some logo to my site. Where to get it? =====:See [[Kernel versioningArtwork]].
===== How can I check package signaturesWhat kind of documentation is available? =====:See [[Package signatures]]
===== What filesystems should I choose for saving my VEsWho needs OpenVZ? How it can be used? =====The safest choice is ext2/3 to save your VEs. Remember that ReiserFS is less stable than ext2/3.If you choose to use XFS, there will be no support for disk quota inside VEs:See [[Use cases]].
== Networking === How scalable is OpenVZ? =====
===== What is veth Installation and how do I use it? ===upgrade ==:See [[Virtual Ethernet device]]
===== Why doesn't net-snmpd work on my VEs How to install OpenVZ? =====:See [[SNMPD on VEs]]
===== How do I set up a VE which What hardware is able to get X Mb of RAMsupported by OpenVZ kernel? =====:See [[Setting UBC parameters]]. ===== I can not start a program in VEhttps: it reports out of memory. What do I do? =====See [[Resource_shortage]]. ===== How can I reset <code>failcnt</code> in <code>/proc/user_beancounters</code>? =====See [[UBC failcnt reset]]hardware. == Troubleshooting ======= My kernel crashedredhat. What should I do? =====:See [[When you have an oops]com/ RHEL Hardware Compatibility List] ===== I see a lot of processes in D state. What does that mean? =====:See [[Processes in D state]]
===== Quick reference card for How existing OpenVZ users can upgrade to the [[Virtuozzo|new version]]? =====http://pronicsWhile there is no in-place upgrade, we prepared [[Upgrade_script_from_OpenVZ_to_Virtuozzo_7|upgrade script]] for OpenVZ users to move their containers to the new platform.fi/~eero/mirrors/openvz-reference-cardThe script allows to transfer containers from old to new OpenVZ version (or from OpenVZ to Virtuozzo).pdf
