docker FAQ 集
1、错误如下:devmapper: Thin Pool has 816 free metadata blocks which is less than minimum required 819 free metadata blocks. Create more free metadata space in thin pool or use dm.min_free_space option to change behavior
处理办法如下:
清理exited进程:
docker rm $(docker ps -q -f status=exited)
清理dangling volumes:
docker volume rm $(docker volume ls -qf dangling=true)
清理dangling image:
docker rmi $(docker images --filter "dangling=true" -q --no-trunc)
2、错误如下:
Error response from daemon: conflict: unable to delete 61739b4cf2d5 (cannot be forced) - image has dependent child images
处理办法如下:
在删除镜像之前要先用 docker rm 删掉依赖于这个镜像的所有容器(哪怕是已经停止的容器),否则无法删除该镜像。
停止容器
docker stop $(docker ps -a | grep "Exited" | awk '{print $1 }')
删除容器
docker rm $(docker ps -a | grep "Exited" | awk '{print $1 }')
或
docker rm -v $(docker ps -aq -f status=exited)
删除镜像
docker rmi $(docker images | grep "none" | awk '{print $3}')
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