quickstart_3_start_docker.md

Quickstart step 3: Start Docker

macOS

Option A: Docker for Mac

This is the easy way - just launch Docker.app and wait for it to finish loading.

Option B: docker-machine

The Docker daemon should be running in the background, which you can test by running docker ps. If you're on OS X and using docker-machine instead of Docker for Mac, you may have to run:

docker-machine start default
eval $(docker-machine env)

Ubuntu/Linux

The docker daemon might already be running, but if necessary you can use the following commands to start it:

# as a system service
sudo systemctl enable --now docker

# manually
dockerd

If you have issues running Docker, try adding your user to the docker group, and/or updating the socket file permissions, or try running these commands under sudo.

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