Quick reference guide for Docker commands - not at all exhaustive, just a cheat sheet.
Monitoring/Removing Images
task
command
list images
docker images
remove specific image(s)
docker rmi <image_id> <image_id> ...
remove dangling images
docker image prune
remove all unused images
docker image prune --all
remove all images
docker rmi -f $(docker images -q)
Monitoring/Killing Containers
task
command
notes
see running containers
docker pslike ps in bash!
see most recently launched container
docker ps -l-l for last
see all containers
docker ps -a-a for all
see hash of running containers
docker ps -q-q for hash
see hash of most recent container
docker ps -qlmix -q and -l for hash of last
see hash of all containers
docker ps -aqditto for -a and -q
see running processes
docker top id containeruse id container
kill all running containers
docker kill $(docker ps -q)kill only stops running containers
kill most recent container
docker kill $(docker ps -ql)
remove all exited containers
docker container prune
remove all containers
docker rm -f $(docker ps -qa)-f forces rm to kill and remove
remove old containers
docker ps -a | grep 'weeks ago' | awk '{print $1}' | xargs docker rmremoves containers that are created weeks ago