Error messages can be a pain regardless of the programming language you are using. Python is no different but not all of them are the results of a coding error. In many cases, they result from something that is not connecting right. This is particularly the case when dealing with libraries that requires an online connection. If they do not connect you will get an error message.
What is this error?
The cannot connect to the docker daemon at unix:///var/run/docker.sock. is the docker daemon running error message is simple to understand but difficult to diagnose and fix. It is a docker daemon error that results from a problem connecting the install docker command or docker client to the docker host. Unfortunately, this docker plugin or docker run error can occur from several different causes making it hard to diagnose and fix.
What is causing this?
The ultimate cause of the cannot connect to the docker daemon socket at unix:///var/run/docker.sock. is the docker daemon socket running error message is an improperly mounted Docker socket preventing a connection to the docker service. However, there are several different reasons why this docker server endpoint error may occur. This also provides a useful way for diagnosing the problem, as well as helping to fix it.
How do I fix it?
There are several ways of fixing the docker daemon at unix:///var/run/docker.sock. is the docker daemon running error message.
- Make sure the Docker engine is running
- Make sure the docker hub file ownership is set right
- Make sure you are a docker client user in the Docker Group
All of these will work with the Windows operating system as well as Linux. Apple OS requires using a virtual machine to use a sudo service docker. In either case, if all else fails you may need to make sure your Docker plugin or docker group file is up-to-date, and that the IP address of the docker api or docker server connection is correct. Despite the fact that this docker instance or environment variable error message is easy to understand, it is difficult to diagnose and fix. This is because there are several causes and fixes. However, one of them should work for you.