Operations

Windows Server 2022 — KB5027540 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027540 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027540 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment […]

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Ubuntu 20.04 — protobuf-c — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — protobuf-c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5531-1 Related CVEs: CVE-2022-33070 Upstream summary: Pietro Borrello discovered that protobuf-c contained an invalid arithmetic shift. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified […]

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Oracle Linux 8 — kvm_utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kvm_utils — vulnerability — patch and remediation guide (ELSA-2022-9986)

🟠 High   ⏱ 15–60 min  Last verified: 26 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9986 Related CVEs: CVE-2022-0216 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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Windows Server 2019 — KB5030261 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5030261 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5030261 • MSRC update-guide entry Related CVEs: CVE-2023-38161 CVE-2023-38152 CVE-2023-38149 CVE-2023-38144 CVE-2023-38143 CVE-2023-38142 CVE-2023-38141 CVE-2023-38139  +4 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — sqlite — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sqlite — vulnerability — patch and remediation guide (ELSA-2023-0110)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0110 Related CVEs: CVE-2022-35737 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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Windows Server 2016 — KB5022730 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5022730 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5022730 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21722 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

How to Configure Windows Server 2022 IPAM

Introduction to PowerShell Remoting for Server Management PowerShell Remoting is the built-in mechanism for executing commands and scripts on remote Windows machines. It uses the WS-Management protocol (WinRM) and provides a secure, scriptable channel for managing fleets of Windows Server 2022 machines from a single administrative workstation or CI/CD agent. This guide covers everything from […]

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Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-4060)

🟠 High   ⏱ 15–60 min  Last verified: 25 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4060 Related CVEs: CVE-2023-33170 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 121061

Runaway Process Drives High CPU Load

🟠 High   ⏱ 5–30 min  Last verified: 25 March 2023 Affected versions: Debian 10 📖 ~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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