Docker: Cannot connect to the Docker daemon at unix:///var/run/docker.sock
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
Immediate Remediation
typescript
Start the Docker service (`sudo systemctl start docker`) and add current user to docker group (`sudo usermod -aG docker $USER && newgrp docker`).
Root Cause Analysis
Encountered in Docker when standard runtime constraints or configuration contracts are breached.
Verification & Guardrails
- Verified in production environments by TraceResolve SRE.
- Requires clean rebuild or service reload to take full effect.
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