📖 ~1 min read
Table of contents
Symptom & Impact
Containers stop running and orchestration tasks fail across the host.
Environment & Reproduction
Often follows daemon.json edits, storage-driver changes, or package upgrades.
Root Cause Analysis
Invalid daemon config or incompatible runtime state prevents startup.
Quick Triage
Check dockerd status, socket availability, and last fatal journal lines.
Step-by-Step Diagnosis
Validate daemon config and inspect storage driver and cgroup compatibility.
Solution – Primary Fix
Correct daemon config and restart Docker with supported runtime settings.
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Solution – Alternative Approaches
Use containerd directly for critical workloads during Docker recovery.
Verification & Acceptance Criteria
Docker service is active and representative containers start normally.
Rollback Plan
Revert to previous Docker package and daemon configuration snapshot.
Prevention & Hardening
Validate daemon changes in staging and enforce config linting.
Related Errors & Cross-Refs
Associated with filesystem driver mismatch and exhausted disk/inodes.
Related tutorial: View the step-by-step tutorial for debian-11.
View all debian-11 tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Docker engine operations and Debian runtime compatibility notes.
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