Logging Monitoring

How to Generate SSL Certificates with openssl on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Generate SSL Certificates with openssl on Debian 13

Introduction This guide explains how to Generate SSL Certificates with openssl on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with […]

Read more
Oracle Linux 9 — libsoup — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libsoup — vulnerability — patch and remediation guide (ELSA-2026-0422)

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0422 Related CVEs: CVE-2025-14523 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 114536

Podman Permission Denied Errors on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 5 October 2025 📖 ~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
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
CHAT