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How to Fix 'No Space Left on Device' in Docker on Ubuntu - Docker Socket Permission Issues Causing Nginx 502-Resolving Python UnicodeDecodeError When Opening Files

Updated 2026-07-28 11:44:51cloud-software
How to Fix 'No Space Left on Device' in Docker on Ubuntu - Docker Socket Permission Issues Causing Nginx 502-Resolving Python UnicodeDecodeError When Opening Files
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.