Kernel Drivers

Common Problems 124647

Oracle Linux 9 – Common Problem 019 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 22 April 2023 Affected versions: Oracle Linux 9 📖 ~3 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 Windows Server 2022 Network Controller — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Network Controller

Introduction to Blue-Green Deployment on Windows Server 2022 Blue-green deployment is a release technique that maintains two identical production environments — one active (blue), one idle (green). A new version is deployed to the idle environment, validated, and then traffic is switched instantly from blue to green. If anything goes wrong after the switch, traffic […]

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Common Problems 117944

Ubuntu 18.04 drops to GRUB rescue prompt

🟡 Medium   ⏱ 5–30 min  Last verified: 21 April 2023 📖 ~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 […]

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How to Monitor System Resources on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Monitor System Resources on Oracle Linux 9

Introduction How to Monitor System Resources on Oracle Linux 9 on Oracle Linux 9 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 is […]

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Common Problems 111825

Windows Server 2022 Cluster Shared Volume Stuck in Redirected Mode – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 April 2023 Affected versions: Windows Server 2022 📖 ~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 Set Up Microsoft Entra (Azure AD) Hybrid Join on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Microsoft Entra (Azure AD) Hybrid Join on Windows Server 2022

Hybrid Azure AD Join Overview Microsoft Entra Hybrid Join (formerly Azure AD Hybrid Join) is the process of registering on-premises Active Directory domain-joined devices with both the on-premises AD and Microsoft Entra ID (formerly Azure Active Directory). After a successful Hybrid Join, a device has a presence in both identity systems: it has an on-premises […]

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Amazon Linux 2 — kernel-livepatch-4.14.336-257.562 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.336-257.562 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2024-170 Related CVEs: CVE-2023-52628 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of […]

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How to Configure VXLAN on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure VXLAN on Windows Server 2016

How to Set Up Windows Server 2016 VXLAN Virtual Extensible LAN (VXLAN) is a network virtualization technology that encapsulates Layer 2 Ethernet frames within UDP packets, allowing virtual networks to be extended across Layer 3 IP boundaries. VXLAN uses a 24-bit VXLAN Network Identifier (VNI) that supports up to 16 million unique virtual networks, far […]

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Common Problems 114592

Package Verification Fails Due to Corrupted RPM Cache

🟡 Medium   ⏱ 5–30 min  Last verified: 20 April 2023 📖 ~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 […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2023-13049)

🟠 High   ⏱ 15–60 min  Last verified: 20 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-13049 Related CVEs: CVE-2023-5178 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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