Security Hardening

Windows Server 2016 — KB5066791 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5066791 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066791 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-64679 CVE-2025-64680 CVE-2025-62208 CVE-2025-62209 CVE-2025-24990 CVE-2025-24052 CVE-2025-55325  +12 more Affected components: Windows Server 2016 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

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Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide (ELSA-2026-1478)

  • November 16, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1478 Related CVEs: CVE-2025-12084 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide (ELSA-2025-2867)

  • November 16, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-2867 Related CVEs: CVE-2025-0624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure DNS Resolution on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure DNS Resolution on SLES 16

Introduction This tutorial covers How to Configure DNS Resolution on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]

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How to Set Up SLES 16 Cluster with SUSE Linux Enterprise HA Extension — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up SLES 16 Cluster with SUSE Linux Enterprise HA Extension

Introduction This tutorial covers How to Set Up SLES 16 Cluster with SUSE Linux Enterprise HA Extension on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is […]

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How to Use Amanda for Enterprise Backup on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Use Amanda for Enterprise Backup on SLES 16

Introduction This tutorial covers How to Use Amanda for Enterprise Backup on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: […]

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NetBSD 10.0 — php83 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php83 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • November 15, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2024-11235 CVE-2025-1220 CVE-2025-14177 CVE-2025-14178 CVE-2025-14180 Upstream summary: pkgsrc audit-packages flagged php83<8.3.19 for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2024-11235 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Configure Traffic Shaping with tc on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure Traffic Shaping with tc on SLES 16

Introduction This tutorial covers How to Configure Traffic Shaping with tc on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: […]

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How to Configure Grafana Loki on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure Grafana Loki on SLES 16

Introduction This tutorial covers How to Configure Grafana Loki on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Prometheus zypper install -y golang-github-prometheus-prometheus Step 2 — […]

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How to Set Up Samba File Sharing on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up Samba File Sharing on SLES 16

Introduction This tutorial covers How to Set Up Samba File Sharing on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: […]

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