Docker Error2 Fixes Available

Got permission denied while trying to connect to Docker daemon socket

Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock

What does this error mean?

Your current user doesn't have permission to access the Docker daemon socket. By default, only root and members of the docker group can communicate with the Docker daemon.

Common Causes

Current user is not in the docker group
Running Docker commands without sudo on Linux
Docker was just installed and the group change hasn't taken effect
Running in a CI environment without proper Docker socket permissions

How to Fix It (2 Solutions)

Add your user to the docker group

This is the recommended fix — avoids needing sudo for every Docker command.

Code

# Add current user to docker group
sudo usermod - aG docker $USER

# Apply the group change(or log out and back in)
newgrp docker

# Verify it works
docker ps

Use sudo (quick fix)

Prefix Docker commands with sudo as a temporary fix.

Code

sudo docker ps
sudo docker run hello - world

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