Kernel Drivers

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12830)

  • November 27, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 November 2024 Affected versions: Oracle Linux 8 📖 ~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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How to Deploy ASP.NET Applications on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Deploy ASP.NET Applications on Windows Server 2025

How to Deploy ASP.NET Applications on Windows Server 2025 Deploying ASP.NET applications to Windows Server 2025 requires a solid understanding of two distinct hosting models: the legacy .NET Framework pipeline hosted entirely within IIS, and the modern ASP.NET Core model that can run in-process within IIS or as a standalone Kestrel process behind IIS acting […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20319)

  • November 26, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 November 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20319 Related CVEs: CVE-2023-52532 CVE-2024-36929 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Back Up and Restore Active Directory on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Back Up and Restore Active Directory on Windows Server 2025

How to Back Up and Restore Active Directory on Windows Server 2025 Active Directory (AD) is the backbone of authentication, authorization, and policy management in most enterprise environments. Losing your domain controllers without a reliable backup means losing user accounts, group policies, computer objects, and trust relationships — a catastrophic event that can take days […]

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Common Problems 111121

Windows Server 2025 — User not inheriting share permissions after AD group membership change — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 2024 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 Policy Server (NPS/RADIUS) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Network Policy Server (NPS/RADIUS) on Windows Server 2025

How to Enable and Configure Credential Guard on Windows Server 2025 Credential Guard is one of the most impactful security controls available in Windows Server 2025. It uses Virtualization-Based Security (VBS) to isolate the Local Security Authority Subsystem Service (LSASS) into a separate, hardware-protected virtual trust level (VTL1) called the Secure World. Because LSASS runs […]

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How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Apache on Ubuntu 24.04

  • November 25, 2024
  • Linux
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Apache HTTP Server is one of the most popular web servers in the world. This guide installs and starts Apache on Ubuntu 24.04 LTS and verifies that it is serving content correctly. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW firewall configured Step 1 – […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12272)

  • November 24, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 November 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12272 Related CVEs: CVE-2024-26679 CVE-2024-2201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure Azure Backup for Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Azure Backup for Windows Server 2025

How to Configure Azure Backup for Windows Server 2025 Azure Backup extends your Windows Server 2025 data protection strategy to the cloud, giving you offsite backup storage without managing physical tape drives or remote data centers. Using the Microsoft Azure Recovery Services (MARS) agent, you can back up files, folders, and system state directly to […]

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How to Configure Just Enough Administration (JEA) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Just Enough Administration (JEA) on Windows Server 2025

How to Configure Just Enough Administration (JEA) on Windows Server 2025 Just Enough Administration (JEA) is a PowerShell-based security feature that implements the principle of least privilege for administrative tasks. Instead of granting users full administrator rights on a server, JEA creates a constrained PowerShell remoting endpoint that limits each user to exactly the commands, […]

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