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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.
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