Question 233606 in Docker Question posted in
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Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? on rhel 8.3

I have installed docker on rhel 8.3 from docker binaries by using command /usr/bin/dockerd & .

every month or after 2 months I get Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? this issue but meanwhile in the background my all containers & services are working only I can’t use the docker command. so in a such case, I kill dockerd process & then restart the docker daemon. is there any other solution instead of the killing process? because of this, I go through data loss issue. I also added a user in the docker group, all binaries have 777 permission as well docker.sock file also. please help me with the solution

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Answers


  1. 0

    I had this problem, Docker was working but I couldn’t execute Docker commands.

    This was because the symlink of the docker.sock was not correct.

    The path /var/run/docker.sock points to /Users/user1/.docker/run/docker.sock instead of /Users/admin/.docker/run/docker.sock

    To solve the problem I deleted the bad symlink and recreated it correctly.

    sudo rm /var/run/docker.sock

sudo ln -s /your/path/docker.sock /var/run/docker.sock

    make sure you change the path in the example by your actual path.

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  2. 0

    Try to run all your docker commands with prefix sudo, like:

    sudo docker ps

    Or try below command to avoid using sudo every time, if you have are running on a Linux system or change commands accordingly

    1. Create the docker group

      sudo groupadd docker

    2. Add your user to the docker group.

      sudo usermod -aG docker $USER

    Make sure to restart your system once you run these commands.

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