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https://github.com/checkpoint-restore/criu
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The newinstance options isn't shown in mountinfo. Currently it is detected in devpts_dump. It is added only for root mounts and it isn't added for bind-mounts. So mounts_equal(a, b, true) returns false for such mounts and criu doesn't understand that they should be bind-mounted. Reported-by: Tycho Andersen <tycho.andersen@canonical.com> Cc: Serge Hallyn <serge.hallyn@ubuntu.com> Signed-off-by: Andrey Vagin <avagin@openvz.org> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
criu ==== 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: http://criu.org/Installation * A simple example of usage: http://criu.org/Simple_loop * More sophisticated example with graphical app: http://criu.org/VNC