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Fix Docker Daemon Not Running on Ubuntu 20.04 - Troubleshoot PuTTY SSH Connection Refused Ubuntu-GitHub Actions Cannot Push to Repository Fix

Updated 2026-06-13 13:00:48macos-help
Fix Docker Daemon Not Running on Ubuntu 20.04 - Troubleshoot PuTTY SSH Connection Refused Ubuntu-GitHub Actions Cannot Push to Repository Fix
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.