📖 ~1 min read
Table of contents
Symptom & Impact
Containers cannot start because Docker service is down.
Environment & Reproduction
Common after malformed JSON or unsupported daemon options are added.
Root Cause Analysis
dockerd fails initialization when daemon configuration is invalid.
Quick Triage
Validate daemon.json syntax and inspect recent service logs.
Step-by-Step Diagnosis
Identify the exact failing option and version compatibility issue.
Solution – Primary Fix
Correct the configuration and restart Docker service.
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Solution – Alternative Approaches
Temporarily move custom config and run with defaults to restore service.
Verification & Acceptance Criteria
Docker daemon is active and containers can run normally.
Rollback Plan
Restore last known-good config if issue persists.
Prevention & Hardening
Validate config changes in staging before production rollout.
Related Errors & Cross-Refs
Related to storage driver mismatches and cgroup configuration errors.
Related tutorial: View the step-by-step tutorial for Debian 13.
View all Debian 13 tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Debian Docker Engine installation and daemon configuration docs.
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