1.查看docker 空间使用情况
[root@worker1 ~]# docker system df TYPE TOTAL ACTIVE SIZE RECLAIMABLE Images 3 0 319.9MB 319.9MB (100%) Containers 0 0 0B 0B Local Volumes 1 0 156.5kB 156.5kB (100%) Build Cache 0 0 0B 0B
2.查看实时事件（例如容器创建，删除等均会实时显示）
[root@worker1 ~]# docker system events
3.查看docker 系统信息（同docker info）
[root@worker1 ~]# docker system info
4.docker清理(清理停止的容器，没用容器使用的网络，镜像，缓存)
[root@worker1 ~]# 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 Are you sure you want to continue? [y/N] y Total reclaimed space: 0B [root@worker1 ~]#
原文：https://www.cnblogs.com/caonw/p/13259763.html