February 2021 - Page 18 of 62

Debian 9 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-4056 CVE-2020-4067 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Debian 10 — nodejs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — nodejs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9511 CVE-2020-8174 CVE-2020-8265 CVE-2021-22883 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Oracle Linux 8 — bind — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind — security and stability fixes — required update (ELSA-2023-3002)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3002 Related CVEs: CVE-2022-2795 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Arch Linux — code — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — code — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-34 Related CVEs: CVE-2021-31214 CVE-2021-31211 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.56.2-3. Fixed in: 1.58.0-1. Group: AVG-1963. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Common Problems 118468

Read-only file system after unexpected reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

Read more
Common Problems 114042

Cockpit web console fails to start

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 Cockpit UI unavailable on port 9090. Symptoms systemctl status cockpit.socket inactive and […]

Read more
CHAT