Docker

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HOWTO

List running containers

docker ps

List containers

docker ps -a


List images

docker images

Get shell in running container

To get image name

docker ps

then

docker exec -it <image-id> bash

Network

docker network ls
docker network inspect


image has dependent child images

docker inspect --format='Template:.Id Template:.Parent' $(docker images --filter since=<image_id> -q)

Dangling images

list dangling images

docker images -f dangling=true

Remove dangling image

docker rmi image-id

Remove all dangling images

docker rmi $(docker images -f dangling=true -q)

image is being used by stopped container xyz

docker rm xyz

and try again


Backups

FAQ

The container name "/mycontainer" is already in use by container

It already exists, so use

docker start

instead of

docker run