Shulou(Shulou.com)06/02 Report--

Just in case (the online environment must be cautious and careful), removing the image will have an unnecessary impact on the existing pod; the following operations are run on the node node with the least number of containers! (if not, you can reopen a node node)

1. First use the kubectl get po-namespace namespace to view the existing pod of the namespace.

2. Redeploy pod to generate redundant images images on the node node

3. Use the docker system df command to check the number of images and containers before clearing the images.

Note: similar to the df command on Linux, it is used to view the disk usage of Docker. This command can see the number of images and containers in the node node.

4. Use docker system prune-a. Clear useless images

Note: the docker system prune command can be used to clean up disks, delete closed containers, useless data volumes and networks, and dangling images (that is, mirrors without tag). The docker system prune-a command cleans up more thoroughly and removes the use of Docker images without containers. Note that these two commands will delete the containers you have temporarily closed and the Docker images that you have not used for the time being. So be sure to think carefully before using it.

5. Use the docker system df command to check the number of images and containers; whether it is successful or not

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