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How to Fix Docker Compose Port Already Allocated Error - Fix Redis Connection Refused Due to Firewall Settings-Resolve Ubuntu apt Lock Waiting for It to Disappear Error

2026-06-13 12:04:33
How to Fix Docker Compose Port Already Allocated Error - Fix Redis Connection Refused Due to Firewall Settings-Resolve Ubuntu apt Lock Waiting for It to Disappear Error

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.