Kernel Drivers

How to Use Microsoft Graph API with PowerShell on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Microsoft Graph API with PowerShell on Windows Server 2016

Introduction Microsoft Graph API provides a unified REST endpoint for accessing Microsoft 365, Azure AD, and related services. Using PowerShell on Windows Server 2016 with the Microsoft.Graph module, administrators can automate user lifecycle management, generate audit reports, and manage cloud resources programmatically. Installing the Microsoft Graph PowerShell Module Install the module and authenticate to Graph: […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2021-3447)

🟠 High   ⏱ 15–60 min  Last verified: 21 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3447 Related CVEs: CVE-2021-37576 CVE-2021-38201 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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Common Problems 112475

Windows Server 2019 — Install-Module fails because NuGet package provider is missing or outdated — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 June 2021 Affected versions: Windows Server 2019 📖 ~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 Gitea Self-Hosted Git Service on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Gitea Self-Hosted Git Service on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure gitea self-hosted git service on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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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-2021-9404)

🟠 High   ⏱ 15–60 min  Last verified: 20 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9404 Related CVEs: CVE-2020-14304 CVE-2021-3564 CVE-2020-24588 CVE-2020-26147 CVE-2020-26141 CVE-2020-24586 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 Configure Volume Shadow Copy Service (VSS) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2019

Introduction to Volume Shadow Copy Service on Windows Server 2019 The Volume Shadow Copy Service (VSS) is a core Windows infrastructure component that enables the creation of consistent point-in-time snapshots of volumes, even while applications are actively writing to disk. VSS coordinates with VSS requestors (backup applications), VSS providers (storage drivers or hardware), and VSS […]

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How to Install Cassandra on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Cassandra on FreeBSD 13

Introduction How to Install Cassandra on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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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-2022-9199)

🟠 High   ⏱ 15–60 min  Last verified: 19 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9199 Related CVEs: CVE-2021-26341 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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Common Problems 112902

Windows Server 2016 — Conditional forwarders timing out across site-to-site VPN links on Windows Server 2016 DNS — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 June 2021 Affected versions: Windows Server 2016 📖 ~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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Amazon Linux 2 — kernel-livepatch-4.14.243-185.433 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.243-185.433 — 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-2021-062 Related CVEs: CVE-2021-40490 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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