Kernel Drivers

How to Set Up Certificate Services (AD CS) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Certificate Services (AD CS) on Windows Server 2022

Why System Performance Monitoring Matters Windows Server 2022 hosts workloads that other systems depend on. A performance problem on a server — whether caused by excessive CPU usage, memory pressure, disk I/O saturation, or network congestion — directly impacts end users and dependent services. Effective performance monitoring lets you identify these problems proactively, before they […]

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Common Problems 115073

RHEL 8 kdump fails to capture vmcore after kernel panic

🟡 Medium   ⏱ 5–30 min  Last verified: 1 February 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 Configure Windows Server 2019 with PowerShell DSC — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 with PowerShell DSC

How to Configure Windows Server 2019 with PowerShell DSC PowerShell Desired State Configuration (DSC) is a configuration management platform built into Windows Server 2019 that enables declarative specification of server configuration. Instead of writing imperative scripts that perform actions step by step, you write a DSC configuration that describes the desired end state — which […]

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How to Set Up Windows Server 2022 Hotpatch (Azure Edition) — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Hotpatch (Azure Edition)

What is Windows Server 2022 Hotpatch? Hotpatch is a patching mechanism introduced in Windows Server 2022 Datacenter: Azure Edition that allows critical security patches to be applied to the operating system without requiring a server reboot. Traditional Windows patching requires the server to restart to replace in-use system binaries — Hotpatch sidesteps this by patching […]

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How to Configure Network Bonding on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Network Bonding on Oracle Linux 9

Introduction How to Configure Network Bonding 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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How to Configure Windows Server 2022 for High Availability — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 for High Availability

What Is PowerShell Desired State Configuration? PowerShell Desired State Configuration (DSC) is a declarative management platform built into Windows PowerShell and PowerShell 7. Instead of writing imperative scripts that execute a sequence of commands, DSC lets you describe the desired end state of a system — which Windows features should be installed, which services should […]

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Common Problems 114630

kdump Fails To Capture Crash Dumps

🟡 Medium   ⏱ 5–30 min  Last verified: 30 January 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 Configure BGP Routing with FRRouting on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure BGP Routing with FRRouting on Oracle Linux 9

Introduction How to Configure BGP Routing with FRRouting 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 […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9930)

🟠 High   ⏱ 15–60 min  Last verified: 30 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9930 Related CVEs: CVE-2022-3028 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 Microsoft Deployment Toolkit (MDT) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Microsoft Deployment Toolkit (MDT) on Windows Server 2022

What Is Application Request Routing? Application Request Routing (ARR) is a Microsoft IIS extension that turns a Windows Server 2022 machine into a capable HTTP load balancer and reverse proxy. It works in conjunction with the URL Rewrite Module to intercept requests, evaluate server farm configurations, and forward traffic to one or more backend servers. […]

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