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https://github.com/checkpoint-restore/criu
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Namespace roots might be slave ones from another namespace roots, so we should not treat them as "always ready" for mounting but rely on general logic in can_mount_now which tests slaves relations. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Acked-by: Andrew Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
CRIU (Checkpoint and Restore in Userspace)
An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or 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. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project home is at http://criu.org.
Pages worth starting with are:
- Kernel configuration, compilation, etc
- A simple example of usage
- More sophisticated example with graphical app
How to contribute
- How to submit patches;
- Send all bug reports to mailing list;
- Spread the word about CRIU in social networks;