Security Hardening

Oracle Linux 10 — perl-JSON-XS — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — perl-JSON-XS — vulnerability — patch and remediation guide (ELSA-2025-17119)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-17119 Related CVEs: CVE-2025-40928 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
Common Problems 119532

Debian 13 – journalctl Logs Consume Disk and Trigger Outages – Retention Fix

🟠 High   ⏱ 5–30 min  Last verified: 5 October 2025 Affected versions: Debian 13 (Trixie) 📖 ~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 […]

Read more
Oracle Linux 8 — python3.12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3.12 — vulnerability — patch and remediation guide (ELSA-2025-10031)

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10031 Related CVEs: CVE-2025-4517 CVE-2025-4435 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
Oracle Linux 10 — bind — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — bind — vulnerability — patch and remediation guide (ELSA-2025-19912)

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19912 Related CVEs: CVE-2025-40778 CVE-2025-8677 CVE-2025-40780 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
Oracle Linux 9 — systemd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — systemd — vulnerability — patch and remediation guide (ELSA-2025-20344)

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20344 Related CVEs: CVE-2025-4598 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
Common Problems 111213

Windows Server 2025 — SNI-based SSL binding conflicts between multiple HTTPS sites on IIS — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 October 2025 Affected versions: Windows Server 2025 📖 ~2 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 […]

Read more
How to Install MariaDB 11 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install MariaDB 11 on Debian 13

Introduction How to Install MariaDB 11 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

Read more
NetBSD 10.0 — linenoise — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — linenoise — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-9810 Upstream summary: pkgsrc audit-packages flagged linenoise-[0-9]* for vulnerability class 'symlink-attack'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-9810 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

Read more
Common Problems 127162

CentOS Stream 10 – Common Problem 145 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2025 Affected versions: CentOS Stream 10 📖 ~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 […]

Read more
CHAT