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The -p argument to `ps` is not supported by Busybox v1.19.4. Sending signal 0 with the `kill` command is an alternative way to check whether a process is still running. http://www.linuxjournal.com/content/monitoring-processes-kill-0 Signed-off-by: Christopher Covington <cov@codeaurora.org> Acked-by: Andrew Vagin <avagin@parallels.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