🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026
Affected versions: RHEL 10.0 RHEL 10.1

📖 ~1 min read

Table of contents
  1. Problem Summary
  2. Symptoms
  3. Diagnostics
  4. Root Cause
  5. Primary Fix
  6. Verification
  7. Prevention
  8. Rollback
  9. Automation
  10. Command Reference
  11. Escalation
  12. Related Notes

Problem Summary

Cockpit UI unavailable on port 9090.

Symptoms

systemctl status cockpit.socket inactive and connection refused.

Diagnostics

Check cockpit.socket status, journalctl -u cockpit, and firewalld service rules.

Root Cause

Socket unit disabled or firewall missing cockpit service.

Primary Fix

Enable cockpit.socket and open cockpit service in firewalld.

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Illustrative mockup for rhel-10 — rhel10-b02-p41-1
Illustrative mockup — Progressive Robot — Illustrative mockup — Progressive Robot

Verification

Access https://host:9090 and confirm login page appears.

Illustrative mockup for rhel-10 — rhel10-b02-p41-2
Illustrative mockup — Progressive Robot — Illustrative mockup — Progressive Robot

Prevention

Include cockpit.socket checks in baseline monitoring.

Rollback

Disable cockpit exposure in sensitive networks when required.

Automation

Automate socket enablement and firewall policy with system roles.

Command Reference

systemctl enable –now cockpit.socket; firewall-cmd –add-service=cockpit –permanent

Escalation

Attach TLS cert details and cockpit logs for support cases.

SELinux custom policies can impact cockpit proxy access.

Related tutorial: View the step-by-step tutorial for rhel-10.

View all rhel-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

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