Changes

Then you should create a directory for image files (e.g. <code>imgs</code>) and dump the tree starting from the VNC launching script

Then you should create a directory for image files (e.g. <code>imgs</code>) and dump the tree starting from the VNC launching script

  # crtools dump -t 17854 --images-dir imgs/ --log-file dump.log -v 4 --tcp-established

  # criu dump -t 17854 --images-dir imgs/ --log-file dump.log -v 4 --tcp-established

The <code>-v 4</code> option is required to make crtools more verbose and the <code>--tcp-established</code> one is needed, to make crtools handle active TCP connection -- the one between VNC server and VNC client.

The <code>-v 4</code> option is required to make criu more verbose and the <code>--tcp-established</code> one is needed, to make criu handle active TCP connection -- the one between VNC server and VNC client.

Check the crtools return code to be 0, or the imgs/dump.log file last message to be

Check the criu return code to be 0, or the imgs/dump.log file last message to be

  Dumping finished successfully

  Dumping finished successfully

== Restore VNC server ==

== Restore VNC server ==

  # crtools restore -t 17854 --images-dir imgs/ --log-file rst.log -v 4 --tcp-established -d

  # criu restore -t 17854 --images-dir imgs/ --log-file rst.log -v 4 --tcp-established -d

What has changed from the dump command is the action (it's restore now), the log file name (not to mix things up) and the new <code>-d</code> option. It says, that after restoring crtools should exit and make the restored tree of tasks to be reparented to the init task.

What has changed from the dump command is the action (it's restore now), the log file name (not to mix things up) and the new <code>-d</code> option. It says, that after restoring criu should exit and make the restored tree of tasks to be reparented to the init task.

Check the crtools return code to be 0, or the imgs/rst.log file last message to be

Check the criu return code to be 0, or the imgs/rst.log file last message to be

  Restore finished successfully. Resuming tasks.

  Restore finished successfully. Resuming tasks.

[[Category: HOWTO]]

[[Category: HOWTO]]