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| | OpenVZ is free open source software, available under GNU GPL or compatible licenses. | | OpenVZ is free open source software, available under GNU GPL or compatible licenses. |
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| | + | [[Virtuozzo]] is a Linux distribution based on OpenVZ components. |
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Revision as of 19:12, 5 August 2015
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OpenVZ is a project that combines the following container virtualization technologies for Linux:
- Virtuozzo kernel, a Linux kernel with patches that implements OpenVZ kernel functionality.
- Management utilities, such as vzctl, for managing container life cycle.
- Checkpoint/Restore In Userspace, or CRIU, is a software tool for Linux that enables you to freeze a running application (or a part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at.
- Ploop is a disk loopback block device, not unlike loop but with many features like dynamic resize, snapshots, backups etc. The main idea is to put container filesystem in a file.
- P.Haul is the project on top of CRIU that imple- ments the live migration usage scenario.
- LibCT is a container management library that provides a convenient API for front-end programs for managing the entire container life cycle.
- VCMMD is a Virtuozzo Containers memory management daemon. Upstream technology to manage containers memory.

OpenVZ is free open source software, available under GNU GPL or compatible licenses.
Virtuozzo is a Linux distribution based on OpenVZ components.
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Use cases
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- Hosting
- Server consolidation
- Development and testing
- Educational
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