Difference between revisions of "Docker goodies"
Jump to navigation
Jump to search
| Line 17: | Line 17: | ||
docker rmi -f $(docker images -f "dangling=true" -q) | docker rmi -f $(docker images -f "dangling=true" -q) | ||
</source> | </source> | ||
| + | |||
| + | === remove old unused docker containers === | ||
| + | * http://stackoverflow.com/a/17237701/1497139 | ||
| + | <source lang='bash'> | ||
| + | docker ps -a | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm | ||
| + | </source> | ||
| + | |||
=== Support for build env variables === | === Support for build env variables === | ||
Upcoming feature in 1.9? | Upcoming feature in 1.9? | ||
* https://github.com/docker/docker/issues/6822 | * https://github.com/docker/docker/issues/6822 | ||
Revision as of 12:47, 23 October 2015
Copy a file from a container to the host system
docker cp <containerId>:/file/path/within/container /host/path/target
Attach to a running container
- http://askubuntu.com/questions/505506/how-to-get-bash-or-ssh-into-a-running-container-in-background-mode
- http://askubuntu.com/a/507009/129227
docker exec -it $containername /bin/bash
Remove untagged docker images
http://stackoverflow.com/a/28377696/1497139
docker rmi -f $(docker images -f "dangling=true" -q)
remove old unused docker containers
docker ps -a | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm
Support for build env variables
Upcoming feature in 1.9?