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.

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

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 -a
WARNING! This will remove:
        - all stopped containers
        - all networks not used by at least one container
        - all images without at least one container associated to them
        - all build cache
Are you sure you want to continue? [y/N] y

..../....

Total reclaimed space: 301MB

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

docker volume ls

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 commands

• docker system df or docker system df --verbose
• docker image prune
• docker network ls
• docker network prune

Activities

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

See also

• 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
• docker system: docker system info , docker system events , docker system df, docker system prune -a
• Docker: docker-compose, Docker Desktop, Docker Scout, Docker Swarm, Docker Volumes, Docker images management, docker network, docker inspect, docker volume inspect, Dockerfile, Docker Engine release notes,docker kill, moby, Docker-in-Docker, docker context, buildx, docker tag, docker system prune, Docker Hub, hub-tool, /etc/docker/daemon.json, hostconfig.json, dockerd, logs, Docker logging, Backup, docker service, depends on, --dns, --filter, --mount, docker login, docker build, apt remove docker.io, .dockerignore, docker context ls | docker-machine, .docker/, PWD, $HOME/.docker/config.json, Docker ID, --env-file, docker --help

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

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