authentication

How to Configure Active Directory Federation Services on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Active Directory Federation Services on Windows Server 2016

How to Set Up Windows Server 2016 Active Directory Federation Services Active Directory Federation Services (AD FS) is a Microsoft identity solution that provides single sign-on (SSO) and claims-based authentication across organizational boundaries. It enables users to authenticate once with their corporate credentials and access applications hosted in other organizations, cloud services like Microsoft 365, […]

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How to Set Up VLANs on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up VLANs on Oracle Linux 8

Introduction Setting up set up vlans on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up VLANs on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Common Problems 117929

Ubuntu 18.04 LTS Time Drift Breaks Kerberos and TLS

🟠 High   ⏱ 5–30 min  Last verified: 3 March 2021 Affected versions: 18.04 LTS 📖 ~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 Set Up MinIO Object Storage on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up MinIO Object Storage on Oracle Linux 8

Introduction How to Set Up MinIO Object Storage on Oracle Linux 8 on Oracle Linux 8 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 […]

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How to Set Up Always On VPN Infrastructure on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Always On VPN Infrastructure on Windows Server 2019

Introduction to Always On VPN Always On VPN (AOVPN) is Microsoft’s replacement for DirectAccess, introduced with Windows 10 and fully supported on Windows Server 2019. Unlike traditional VPN solutions where users must manually connect, Always On VPN connects automatically when the user logs in and the device detects it is not on the corporate network. […]

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How to Set Up Oracle Linux 8 for SAP Workloads — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 for SAP Workloads

Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 for SAP Workloads on Oracle Linux 8. 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 8 system with the […]

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Common Problems 112609

Windows Server 2019 — Certificate autoenrollment fails with template permission errors — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 March 2021 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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How to Install Cassandra on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Cassandra on Oracle Linux 8

Introduction How to Install Cassandra on Oracle Linux 8 on Oracle Linux 8 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 […]

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How to Configure Traffic Shaping with tc on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Traffic Shaping with tc on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Traffic Shaping with tc on Oracle Linux 8 on Oracle Linux 8. 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 8 system with […]

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Common Problems 112504

Windows Server 2019 — UPN suffix routing fails for users in trusted forest — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 February 2021 Affected versions: Windows Server 2019 📖 ~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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