Network timed out while trying to connect to https://index.docker.io

Question

I installed Docker-Toolbox just now while following their webpage

I started with Docker QuickStart Terminal and see following

Answer 1

I had the same problem this morning and the following fixed it for me:

$ docker-machine restart default      # Restart the environment
$ eval $(docker-machine env default)  # Refresh your environment settings

It appears that this is due to the Docker virtual machine getting itself into a strange state. There is an open github issue here