May 2023 - Page 50 of 72

Common Problems 112617

Windows Server 2019 — Hyper-V VMMS crash takes virtual machines offline — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 04 May 2027 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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Windows Server 2019 — KB5022845 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022845 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022845 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Common Problems 111871

Windows Server 2022 — Failover cluster witness resource lost quorum after file share deletion — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 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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How to Configure DRBD for High Availability on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure DRBD for High Availability on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure drbd for high availability on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure DRBD for High Availability on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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What is a Control Panel? — step-by-step DevOps tutorial on Progressive Robot

What is a Control Panel?

A control panel is a graphical interface that allows users to manage settings and features. They are often found in the context of native apps on desktop or mobile operating systems, where they can be used to configure applications and the operating system itself, or on the web, where they most…

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FreeBSD 13 — py38-dparse — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-dparse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-dparse — REDoS vulnerability Related CVEs: CVE-2022-39280 Upstream summary: yeisonvargasf reports: dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is […]

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FreeBSD 12 — softether — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — softether — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SoftEtherVPN — multiple vulnerabilities Related CVEs: CVE-2023-22325 CVE-2023-27395 CVE-2023-27516 CVE-2023-31192 CVE-2023-32275 CVE-2023-32634 Upstream summary: Daiyuu Nobori reports: The SoftEther VPN project received a high level code review and technical assistance […]

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Ubuntu 16.04 — bcel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — bcel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7208-1 Related CVEs: CVE-2022-42920 Upstream summary: Felix Wilhelm discovered that Apache Commons BCEL APIs incorrectly handled parameters due to a memory issue. An attacker supplying malicious input could exploit this […]

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