Instructions To Delete Container Images

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Docker

1. List the Docker images: Before you can delete an image, you need to know its ID or name. You can list all Docker images on your system with the docker images command:
   docker images
   
   This will display a list of all Docker images along with their repository name, tag, image ID, creation date, and size.
2. Delete a Docker image: Once you have the image ID or name, you can delete the image. Replace <image-id> with the ID of the image you want to delete:
   docker rmi <image-id>
   
   Or, if you prefer to use the image name and tag, replace <image-name>:<tag> with the name and tag of the image you want to delete:
   docker rmi <image-name>:<tag>
   
3. Delete all Docker images: If you want to delete all Docker images, you can use the following command:
   docker rmi $(docker images -q)
   
   This command uses docker images -q to list all image IDs and then passes them to docker rmi to delete them.

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containerd

1. List the containerd images: Before you can delete an image, you need to know its ID or name. You can list all containerd images on your system with the ctr images ls command:
   ctr images ls
   # if no images are listed, use namespace
   ctr -n k8s.io images ls
   
   This will display a list of all containerd images along with their name and size.
2. Delete a containerd image: Once you have the image ID or name, you can delete the image. Replace <image-name> with the name of the image you want to delete:
   ctr images rm <image-name>
   # use namespace if necessary
   ctr -n k8s.io images rm <image-name>
   
3. Delete all containerd images: If you want to delete all containerd images, you can use the following command:
   ctr images ls -q | xargs -r ctr images rm
   # use namespace if necessary
   ctr -n k8s.io images ls -q | xargs -r ctr images rm
   
   This command uses ctr images ls -q to list all image names and then passes them to ctr images rm to delete them.