dnsmasq conflicts with system resolver on port 53
🟡 Medium ⏱ 5–30 min Last verified: 24 December 2025 Affected versions: RHEL 10.0 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Local DNS service fails to bind because port 53 is already in use. Symptoms […]