DNS

How to Monitor Windows Server with Prometheus and Grafana on Windows Server 2022

• February 7, 2023
• Tutorials
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Introduction to Monitoring Windows Server 2022 with Prometheus and Grafana Prometheus and Grafana form a powerful open-source monitoring stack that, while originally built for Linux environments, provides excellent coverage for Windows Server 2022 through the windows_exporter agent. This combination gives you time-series metrics collection, flexible querying via PromQL, and rich dashboards that surface CPU utilisation, […]

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Amazon Linux 2 — dnsmasq — multiple vulnerabilities (15 CVEs) — patch and remediation guide

• February 6, 2023
• Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1251 Related CVEs: CVE-2017-14491 CVE-2017-14492 CVE-2017-14493 CVE-2017-14494 CVE-2017-14495 CVE-2017-14496 CVE-2023-50387 CVE-2023-50868  +7 more Upstream summary: A memory exhaustion flaw was found in dnsmasq in the EDNS0 code. An attacker could […]

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Windows Server 2019 CSV Redirected I/O Mode Reducing Cluster Throughput – Fix & Prevention

• February 5, 2023
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🟠 High   ⏱ 5–30 min  Last verified: 5 February 2023 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 2022 — RDS Connection Broker database connectivity failures — Fix & Prevention

• February 5, 2023
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🟠 High   ⏱ 5–30 min  Last verified: 5 February 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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Windows Server 2012 R2 — MSMQ service startup fails with storage errors — Fix & Prevention

• February 4, 2023
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🟠 High   ⏱ 5–30 min  Last verified: 4 February 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Windows Server 2022 – Hyper-V VMMS service not starting – Fix & Prevention

• February 4, 2023
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🟠 High   ⏱ 5–30 min  Last verified: 4 February 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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How to Install MongoDB on Oracle Linux 9

• February 4, 2023
• Oracle Linux
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Introduction Setting up install mongodb on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install MongoDB on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Set Up Active Directory Password Policy on Windows Server 2022

• February 4, 2023
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Introduction to Active Directory Domain Services on Windows Server 2022 Active Directory Domain Services (AD DS) is the cornerstone of identity and access management in Windows environments. It provides a centralized, hierarchical directory that stores information about users, computers, groups, printers, and other network resources. On Windows Server 2022, AD DS benefits from improved security […]

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Windows Server 2022 — SQL Server login failures after duplicate SPN registration — Fix & Prevention

• February 3, 2023
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🟠 High   ⏱ 5–30 min  Last verified: 3 February 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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How to Configure MySQL Replication on Oracle Linux 9

• February 3, 2023
• Oracle Linux
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Introduction This tutorial demonstrates how to Configure MySQL Replication on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with the default […]

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