Couldn't Connect To Docker Daemon. You Might Need To Start Docker For Mac. Hotel Docker-machine

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Docker in Practice: The Docker Daemon By Ian Miell If you want to gain an understanding of all the relevant pieces of Docker, the Docker daemon is the best place to start. In this article, I’ll walk you through the daemon and what it does. This article is excerpted from Docker in Practice. Save 39% on Docker in Practice with code.

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I am running Ubuntu with the following docker software installed:

When trying to run docker-compose I am getting the following error:

I have tried the following:

Sudo?

When I run using sudo docker seems to be running:

How can I fix this?

ubuntudockerdocker-compose

this questionedited Apr 29 '16 at 11:56 asked Apr 29 '16 at 10:53 Magick 439 6 29 Is the Docker daemon indeed running? What do you get when you execute docker version (that also lists the daemon version, i.e. more details than docker -v)? – Rick Apr 29 '16 at 11:21 Can you verify that using systemctl or whatever service manager you're using? – Rick Apr 29 '16 at 11:25 Seems like that makes this a duplicate of stackoverflow.com/q/33562109/2137833 – Rick Apr 29 '16 at 11:28 Possible duplicate of Can't connect to docker from docker-compose – Gangaraju Apr 29 '16 at 11:35 This is not a duplicate, as the other posts are using a different OS. Also, the proposed solutions did not solve this issue. – Magick Apr 29 '16 at 11:45 show more comments

1 Answers
1

Take a look a this thread. It seems to handle the same problem.

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Answers
:

The Docker machine is running. But you need to export some environment to connect to the Docker machine. By default, the docker CLI client is trying to communicate to the daemon using http+unix://var/run/docker.sock (as shown in the error message).

Export the correct environment variables using eval $(docker-machine env dev) and then try again. You can also just run docker-machine env dev to see the environment variables it will export. Notice that one of them is DOCKER_HOST, just as the error message suggests you may need to set.

this answer answered Apr 29 '16 at 11:03 Moerwald 859 1 2 21 I dont have docker-machine installed. Do I need to install machine? – Magick Apr 29 '16 at 11:16 1 Docker Machine is just a tool for managing multiple docker instances. You don't necessarily need it, but it was apparently being used in the linked thread. – Rick Apr 29 '16 at 11:22 try with sudo, that worked for me. – Viraths Dec 20 '16 at 11:03

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