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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. 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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