authentication

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

• February 7, 2023
• Tutorials
• Comment off

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, […]

Read more

How to Configure libvirt on Oracle Linux 9

• February 6, 2023
• Oracle Linux
• Comment off

Introduction How to Configure libvirt on Oracle Linux 9 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 reproducible […]

Read more

How to Configure Chef Client on Oracle Linux 9

• February 5, 2023
• Oracle Linux
• Comment off

Introduction How to Configure Chef Client on Oracle Linux 9 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 […]

Read more

Windows Server 2022 — RDS Connection Broker database connectivity failures — Fix & Prevention

• February 5, 2023
• Tutorials
• Comment off

🟠 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 […]

Read more

Windows Server 2012 R2 — MSMQ service startup fails with storage errors — Fix & Prevention

• February 4, 2023
• Tutorials
• Comment off

🟠 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 […]

Read more

How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 9

• February 4, 2023
• Linux
• Comment off

Tekton is a Kubernetes-native open-source framework for building continuous integration and delivery (CI/CD) pipelines. Unlike Jenkins or GitLab CI, Tekton runs entirely as Kubernetes Custom Resource Definitions (CRDs), meaning every pipeline, task, and run is a Kubernetes object you manage with kubectl — no separate CI server to maintain. This cloud-native approach gives you full […]

Read more

How to Install MongoDB on Oracle Linux 9

• February 4, 2023
• Oracle Linux
• Comment off

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 […]

Read more

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

• February 4, 2023
• Tutorials
• Comment off

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 […]

Read more

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

• February 3, 2023
• Tutorials
• Comment off

🟠 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 […]

Read more

How to Configure MySQL Replication on Oracle Linux 9

• February 3, 2023
• Oracle Linux
• Comment off

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 […]

Read more