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24 bytes added ,  01:00, 19 July 2016
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Beyond the straightforward case of checkpointing and restoring the same container, it's also possible to checkpoint one container, and then restore the checkpoint into a completely different container. Right now that is done with the <code>--force</code> option, in conjunction with the <code>--image-dir</code> option. Here's a slightly revised example from before:
 
Beyond the straightforward case of checkpointing and restoring the same container, it's also possible to checkpoint one container, and then restore the checkpoint into a completely different container. Right now that is done with the <code>--force</code> option, in conjunction with the <code>--image-dir</code> option. Here's a slightly revised example from before:
   −
  $ docker run -d --name looper2 --security-opt seccomp:unconfined busybox /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
+
  $ docker run -d --name looper2 --security-opt seccomp:unconfined busybox \
 +
          /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
 
   
 
   
 
  # wait a few seconds to give the container an opportunity to print a few lines, then
 
  # wait a few seconds to give the container an opportunity to print a few lines, then
 
  $ docker checkpoint --image-dir=/tmp/checkpoint1 looper2
 
  $ docker checkpoint --image-dir=/tmp/checkpoint1 looper2
 
   
 
   
  $ docker create --name looper-force --security-opt seccomp:unconfined busybox /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
+
  $ docker create --name looper-force --security-opt seccomp:unconfined busybox \
 +
          /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
 
   
 
   
 
  $ docker restore --force=true --image-dir=/tmp/checkpoint1 looper-force
 
  $ docker restore --force=true --image-dir=/tmp/checkpoint1 looper-force
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