🟡 Medium ⏱ 5–30 min Last verified: 5 July 2021 Affected versions: Oracle Linux 8 📖 ~3 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 2 July 2021 📖 ~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 & Cross-Refs References & Further […]
How to Configure MMC Snap-ins on Windows Server 2012 R2 Microsoft Management Console (MMC) is the host application for virtually all Windows Server 2012 R2 administrative tools. Individual management capabilities are delivered as MMC snap-ins — Active Directory Users and Computers, DNS Manager, DHCP Manager, Group Policy Management, Certificate Manager, Computer Management, and dozens of […]
How to Install Terraform on RHEL 7 Terraform is HashiCorp’s open-source Infrastructure as Code (IaC) tool that lets you define, provision, and manage cloud infrastructure using declarative configuration files. Instead of manually clicking through cloud consoles or writing fragile shell scripts, Terraform allows you to describe your desired infrastructure state — virtual machines, networks, storage […]
🟡 Medium ⏱ 5–30 min Last verified: 28 June 2021 📖 ~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 & Cross-Refs References & Further […]
Introduction to Kubernetes on Windows Server 2019 Kubernetes is the industry-standard container orchestration platform that automates deployment, scaling, and management of containerized applications. Windows Server 2019 can participate in Kubernetes clusters as a worker node, running Windows containers alongside Linux-based control plane components. As of Kubernetes 1.14 and later, Windows worker nodes are officially supported, […]
How to Set Up Windows Server 2016 Internal DNS Service The Internal DNS Service in Windows Server 2016 SDN provides name resolution capabilities for tenant virtual machines within their isolated virtual networks. In an SDN environment, tenant VMs cannot use the physical DNS servers directly without policy allowing that traffic, and they may have conflicting […]
How to Configure Windows Server 2016 Kerberos Authentication Kerberos is the primary authentication protocol used by Windows Server 2016 in Active Directory domain environments. It replaced NTLM as the default authentication method starting with Windows 2000 and provides mutual authentication, stronger security guarantees, and better scalability than its predecessor. Kerberos uses tickets issued by the […]
Nagios Core is one of the most widely-deployed open-source IT infrastructure monitoring systems in the world, providing alerting and status dashboards for hosts, services, and network devices. On RHEL 8, installing Nagios Core from source gives you the latest release and full control over the build configuration. This tutorial walks through every step from prerequisite […]
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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