Docker Basic Commands

Show Version of Docker

#docker version

Remove all stopped containers.

#docker docker rm $(docker ps -a -q)

This will remove all stopped containers by getting a list of all containers with docker ps -a -q

Remove all untagged images

In the process of running docker you can accumulated several images that are not tagged. To remove these I use this command:

#docker rmi $(docker images | grep "^<none>^" | awk "{print $3}")

Search docker images from the docker hub

#docker search <image name>

Pull a docker images

#docker pull <image name>

Run a container

#docker run <container image>  command 

example:

docker run fedora echo "hello world"