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158 bytes added ,  00:54, 19 July 2016
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=== checkpoint ===  
 
=== checkpoint ===  
   −
Creating a checkpoint is a top level Docker command with this new version of Docker. Here's an example that simply logs an integer in a loop.  
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Creating a checkpoint is a top level Docker command with this new version of Docker. Here's an example that simply logs an integer in a loop. From this point forward, commands are show using '''docker''' instead of '''docker-dev-1.10''', but if you have not installed this version globally you can use the latter.
    
First, we create container:
 
First, we create container:
    
  $ docker run -d --name looper --security-opt seccomp:unconfined busybox  \
 
  $ docker run -d --name looper --security-opt seccomp:unconfined busybox  \
                      /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
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          /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
    
You can verify the container is running by printings its logs:
 
You can verify the container is running by printings its logs:
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