Kernel Drivers

SLES 12 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• January 6, 2025
• Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 6 January 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:019 (see also SUSE bugzilla) Related CVEs: CVE-2011-1180 CVE-2024-26923 CVE-2022-2991 CVE-2018-25020 CVE-2016-3135 CVE-2016-6187 CVE-2016-7039 CVE-2016-8636  +12 more Upstream summary: Multiple stack-based buffer overflows in the iriap_getvaluebyclass_indication function in net/irda/iriap.c in the Linux […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12830)

• January 6, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12830 Related CVEs: CVE-2024-26734 CVE-2024-27397 CVE-2024-35801 CVE-2024-42292 CVE-2024-47674 CVE-2024-42269 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Windows Server 2025 Storage Spaces Pool Goes Offline After Drive Failure — Fix & Prevention

• January 6, 2025
• Tutorials
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🔴 Critical   ⏱ 5–30 min  Last verified: 6 January 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 […]

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How to Configure Network Load Balancing (NLB) on Windows Server 2025

• January 6, 2025
• Tutorials
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How to Configure Network Load Balancing (NLB) on Windows Server 2025 Network Load Balancing (NLB) is a built-in Windows Server feature that distributes incoming TCP/IP traffic across multiple servers using a software-based approach that requires no dedicated hardware. On Windows Server 2025, NLB remains a viable option for distributing load across IIS web farm nodes, […]

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CentOS Stream 10 – Common Problem 244 – Diagnosis and Fix

• January 5, 2025
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 5 January 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 […]

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How to Configure Traefik Reverse Proxy on CentOS Stream 10

• January 5, 2025
• CentOS
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Introduction How to Configure Traefik Reverse Proxy on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Ubuntu 24.04 LTS – NVIDIA driver mismatch causes black screen – Fix & Prevention

• January 5, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 5 January 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 […]

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Windows Server 2025 — IIS returning HTTP 400 Bad Request for all SSL connections after reboot — Fix & Prevention

• January 5, 2025
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 5 January 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 […]

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Windows Server 2025 — Hyper-V VM cannot start due to checkpoints in inconsistent state — Fix & Prevention

• January 5, 2025
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 5 January 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 […]

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How to Set Up DFS Replication for File Server Redundancy on Windows Server 2025

• January 5, 2025
• Tutorials
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How to Set Up DFS Replication for File Server Redundancy on Windows Server 2025 DFS Replication (DFSR) is a high-performance, multi-master replication engine built into Windows Server 2025 that keeps folders synchronized across multiple servers automatically. Unlike a simple file copy, DFSR uses the Remote Differential Compression (RDC) algorithm to transmit only the changed blocks […]

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