Dockerアンインストール

Stop boot2docker 

boot2docker stop

boot2docker delete

Remove the environmental variable DOCKER_HOST in case you have fixed it somewhere like e.g. in .bash_profile

Drag and Drop the boot2docker app logo from applications into the trash can of OS X.

Remove Docker and boot2docker command line tools:

sudo rm /usr/local/bin/docker

sudo rm /usr/local/bin/boot2docker

Remove boot2docker VBox image:

sudo rm /usr/local/share/boot2docker/boot2docker.iso

sudo rmdir /usr/local/share/boot2docker

rm -rf ~/.boot2docker

Remove boot2docker ssh keys:

rm ~/.ssh/id_boot2docker*

Remove additional boot2docker files in /private folder:

sudo rm -f /private/var/db/receipts/io.boot2docker.*

sudo rm -f /private/var/db/receipts/io.boot2dockeriso.*