Kernel Drivers

How to Configure WMI on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure WMI on Windows Server 2022

How to Monitor IIS Performance with Counters on Windows Server 2022 IIS on Windows Server 2022 exposes a rich set of performance counters through the Windows Performance Counter infrastructure. Monitoring these counters is essential for diagnosing slow response times, high CPU usage, request queue buildup, and memory pressure in web applications. This guide covers the […]

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Common Problems 111706

Windows Server 2022 – Storage Spaces Direct repair jobs loop without convergence – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 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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Common Problems 117527

Ubuntu 20.04 LTS – swap exhaustion leads to OOM kills under peak load – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 14 April 2023 Affected versions: Ubuntu 20.04 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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How to Configure Advanced WSUS Settings on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Advanced WSUS Settings on Windows Server 2016

How to Set Up Windows Server 2016 Windows Server Update Services Windows Server Update Services (WSUS) allows organizations to centrally manage and distribute Microsoft updates to servers and workstations on the internal network. Instead of each machine downloading updates independently from Microsoft Update servers on the internet, WSUS acts as a local update repository that […]

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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-2023-12798)

🟠 High   ⏱ 15–60 min  Last verified: 14 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12798 Related CVEs: CVE-2023-22024 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 Oracle Linux 9 for Oracle RAC — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Oracle Linux 9 for Oracle RAC

Introduction How to Configure Oracle Linux 9 for Oracle RAC 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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Oracle Linux 9 — Unbreakable Enterprise kernel — bug fix update — issues resolved — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — bug fix update — issues resolved (ELSA-2026-50170)

🟡 Medium   ⏱ 5–30 min  Last verified: 13 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50170 Related CVEs: CVE-2026-23401 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 Install Packer for Machine Image Automation on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Packer for Machine Image Automation on RHEL 7

How to Install Packer for Machine Image Automation on RHEL 7 Packer, developed by HashiCorp, is an open-source tool that enables you to create identical machine images for multiple platforms from a single source configuration. Whether you are building AMIs for AWS, OVA files for VMware, or disk images for on-premises hypervisors, Packer automates the […]

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Common Problems 111671

Windows Server 2022 — IIS Worker Process (w3wp.exe) memory leak growing to 4GB on Server 2022 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 April 2023 Affected versions: Windows Server 2022 📖 ~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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