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Fix Command Prompt Proxy Error Sync Issues - Fix RDP 504 Gateway Timeout via IIS Configuration-Fix 'Could not get lock /var/lib/apt/lists/lock' on Ubuntu

Updated 2026-06-14 04:36:39macos-help
Fix Command Prompt Proxy Error Sync Issues - Fix RDP 504 Gateway Timeout via IIS Configuration-Fix 'Could not get lock /var/lib/apt/lists/lock' on Ubuntu
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.