docker system prune

https://docs.docker.com/engine/reference/commandline/system_prune/. Since API 1.25+ (v 1.13) 01/2017 announcement

Use carefully, your stopped containers will be deleted.

Example

• docker system prune --help
• docker system prune
• docker system prune -a
• docker system prune -f (-fDo not ask for confirmation)

• docker system prune --volumes
• docker system prune --all --volumes --force

docker system prune
WARNING! This will remove:
 - all stopped containers
 - all networks not used by at least one container
 - all dangling images
 - all dangling build cache

• docker system prune -a Remove all unused images not just dangling (untagged) ones

• docker system prune --volumes (Related Docker Volumes: docker volumes prune)
• docker volume ls

Related

journalctl -r -u dockerd
Sep 15 15:49:41 SERVER_NAME dockerd[1015]: time="2020-09-15T15:49:41.387495853+04:00" level=warning msg="failed to prune image docker.io .../... No such image:

Related

• docker system df or docker system df --verbose
• docker image prune
• docker image rm
• docker network ls
• docker volume ls
• docker image ls
• docker network prune
• docker volume prune
• Docker is nearly out of disk space
• Prune: docker buildx prune, docker buildx prune --keep-storage

Activities

• Read deletes docker roadmap statements: https://github.com/docker/distribution/blob/master/ROADMAP.md#deletes

See also

• docker system: docker system info , docker system events , docker system df, docker system prune -a
• du, du -hs, Disk space usage, df, ls, tree, find, docker system df, journalctl --disk-usage, No space left on device, ENOSPC, sar -F, growpart, resize2fs, ncdu, duf, dua-cli

https://docs.docker.com/v17.12/edge/engine/reference/commandline/system_info/

https://docs.docker.com/v17.12/edge/engine/reference/commandline/system_events/