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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. OpenVZ uses GIT for source control. Attention: we use different workflows for userspace and kernel patches. More... Benefits 100% Free Software (GPL), no royalties, no license fees! Secure Scalable Flexible More... Use cases Hosting Server consolidation Development and testing Educational More... OpenVZ ecosystem API Configuration management CT/VM management Hosting automation Monitoring Storage About Find out more about OpenVZ. Roadmap | Releases | Events | Podcasts | Interviews | Artwork | History | Screencasts | Contributors | Sponsors | Success stories | Talks Contacts Developers Get involved! Help us make OpenVZ better. How to submit patches | QA | Browse Source code | Where to start | Membership | Packages Technical information Technical details about OpenVZ. HOWTO | FAQ | Definitions | Templates | Technology | Networking | Storage | Kernel | Installation | CRIU guts Related Tools Information about OpenVZ components. CRIU | vzctl | LibCT | QEMU | LibVirt | Ploop | P.Haul Getting Started Download OpenVZ/Virtuozzo and get started. Quick installation | Legacy OpenVZ manual pages | Legacy OpenVZ documentation | Virtuozzo documentation Support Learn how to contact us and find help and support. FAQ | Mailing lists | IRC | Forum | Concepts | Troubleshooting | Professional support | Contacts

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