web server

How to Set Up IIS Application Pools on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up IIS Application Pools on Windows Server 2022

How to Install SQL Server Management Studio (SSMS) on Windows Server 2022 SQL Server Management Studio (SSMS) is the primary GUI client for administering SQL Server instances, Azure SQL Database, Azure SQL Managed Instance, and Azure Synapse Analytics. On Windows Server 2022, SSMS is not bundled with SQL Server itself — it is a free, […]

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How to Install Composer on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Composer on RHEL 8

Composer is the de facto dependency manager for PHP, used by virtually every modern PHP framework and library including Laravel, Symfony, and Guzzle. It resolves and installs packages from Packagist, handles autoloading, and tracks version constraints so your project dependencies stay consistent across environments. This tutorial covers installing Composer on RHEL 8 using the official […]

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Common Problems 111788

Windows Server 2022 — IIS ARR reverse proxy returning 502.3 timeout errors — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 November 2022 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 Set Up Windows Server 2022 as a RADIUS Proxy — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 as a RADIUS Proxy

Introduction to Active Directory Certificate Services Active Directory Certificate Services (AD CS) is a Windows Server role that provides customizable services for creating and managing public key infrastructure (PKI) certificates. Organizations use AD CS to issue digital certificates for authentication (smart cards, VPN, 802.1X), encrypting data in transit (SSL/TLS for internal websites), encrypting data at […]

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Common Problems 111718

Windows Server 2022 — IIS URL Rewrite rules causing 500.52 after migration — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 November 2022 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 Set Up a VPN Server on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up a VPN Server on Windows Server 2022

How to Install and Configure PHP in IIS on Windows Server 2022 Running PHP on IIS with Windows Server 2022 is a fully supported and production-ready configuration. IIS handles PHP through FastCGI, which provides better performance and isolation compared to older CGI methods. This guide walks through a complete PHP installation, IIS handler configuration, php.ini […]

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How to Monitor System Resources with htop, top and vmstat on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor System Resources with htop, top and vmstat on RHEL 9

Every Linux administrator needs a reliable toolkit for answering the question “why is this server slow?” The answer is almost always in one of four resources: CPU, memory, disk I/O, or network. RHEL 9 includes several powerful tools for diagnosing resource contention: top is included in every base installation and provides a real-time process table; […]

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How to Configure Windows Server 2022 Disk Management — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Disk Management

Introduction to PowerShell Automated Deployments Automating deployments with PowerShell on Windows Server 2022 eliminates manual steps, reduces human error, and creates repeatable, auditable release processes. Whether you are deploying web applications to IIS, installing Windows Services, or pushing changes to remote servers, PowerShell provides a consistent scripting surface that integrates with virtually every CI/CD pipeline. […]

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Common Problems 114471

HTTPD Fails to Bind Custom TLS Port on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 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 & Cross-Refs References & Further […]

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How to Configure Windows Server 2022 with Puppet — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 with Puppet

What Is Remote Desktop Gateway Remote Desktop Gateway (RD Gateway) is a Windows Server role service that enables authorized remote users to connect to internal network resources — including Remote Desktop hosts, virtual desktops, and RemoteApp programs — over an HTTPS-encrypted tunnel on port 443. Without RD Gateway, RDP traffic uses port 3389 directly, which […]

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