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Problem :

Encountered bellow docker error
cannot connect to the docker daemon at unix:///var/run/docker.sock. is the docker daemon running?
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1 Answer

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Solution :

This error usually comes up if you do not stop docker properly.

To resolve the error please follow bellow instructions.

service docker stop
cd /var/run/docker/libcontainerd
rm -rf containerd/*
rm -f docker-containerd.pid
service docker start

finally "docker run...." 

To download your image and start the container as usual.

Further Readings :

https://docs.docker.com/config/daemon/

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