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Then activate the group by logging out of the server and logging in back as the same user.

However, if you are willing to avoid entering sudo while running any docker commands then add your username into the docker group: Ensure that you are prefixing the docker commands with sudo. For that, you can run the below command.Ģ. In case, if the docker daemon is not running properly then try starting the docker daemon. Now let’s see the suggestions our Support Engineers provide our customers to resolve this error.ġ. How we fix the error ‘Docker: Cannot connect to the Docker daemon’ Is the docker daemon running on this host? This happens because the user that is trying to run the docker commands doesn’t have any permissions to interact with /var/run/docker.sock on that system.ĭocker: Cannot connect to the Docker daemon. In case, if you are running any docker command without prefixing it with sudo or without being in the docker group then you will receive this error. In order to run any docker command, root privileges are necessary. You can check its status using the below command:Ģ. The most common reason is that the docker daemon is not properly running on the host. Here are the main causes for this docker error to occur.ġ. What causes ‘Docker: Cannot connect to the Docker daemon’ error to occur Today we’ll take a look at the cause for this error message and see how to fix it. Here at Bobcares, we have seen several causes for this error while troubleshooting Docker issues as part of our Docker Hosting Support for Docker users, web hosts, and online service providers. Wondering how to fix the error ‘Docker: Cannot connect to the Docker daemon’? Take a look at this blog.