I installed docker and there seems to be some issue.
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
$sudo docker ps
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
What should I do?
Mac OS X sudo docker Cannot connect to the Docker daemon. Is the docker daemon running on this host?
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8 Answers
docker-machine is a legacy stuff for OSX that operates with VirtualBox. What you should do is get rid of it completely, and then you should download the latest version of docker, that is called Docker for Mac
Make sure, you remove the legacy docker, and the docker-machine from your Mac before installing Docker for Mac. If you do not do that, the legacy docker binary will be favoured after the installation, and you will still get the error message, which says that cannot connect to the Docker daemon.
I just had this problem. I was using the old docker-machine and I switched to the latest docker for mac. Running eval $(docker-machine env default)
sets up some environment variables.
To solve my problem, I unset those environment variables...
unset DOCKER_HOST DOCKER_MACHINE_NAME DOCKER_TLS_VERIFY DOCKER_CERT_PATH
remove the export DOCKER_HOST.... from your environment (.bashrc, .bash_profile what have you), restart shell/terminal, worked for me.
- Install docker desktop if not installed. (https://docs.docker.com/desktop/install/mac-install/)
- Run docker desktop. This will make docker running in the background.
- Use
docker psand it will work as expected.
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