web server

Common Problems 111207

Windows Server 2025 — IIS app pool identity account locked out causing 503 Service Unavailable — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 December 2024 Affected versions: Windows Server 2025 📖 ~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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How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on Ubuntu 24.04

A reverse proxy sits in front of one or more backend application servers, forwarding client requests and returning responses. Nginx makes an excellent reverse proxy — lightweight, fast, and easy to configure. This guide sets up Nginx as a reverse proxy on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 […]

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How to Set Up WebDAV in IIS on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up WebDAV in IIS on Windows Server 2025

How to Set Up WebDAV in IIS on Windows Server 2025 WebDAV (Web Distributed Authoring and Versioning) extends the HTTP protocol to allow clients to create, move, copy, and delete files on a remote web server as if they were working with a local file system. On Windows Server 2025 with IIS, WebDAV is a […]

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Common Problems 111208

Windows Server 2025 — Application Pool recycling too frequently causing session state loss on IIS — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 December 2024 Affected versions: Windows Server 2025 📖 ~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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How to Set Up ASP.NET Core with IIS on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up ASP.NET Core with IIS on Windows Server 2025

How to Set Up ASP.NET Core with IIS on Windows Server 2025 ASP.NET Core is a cross-platform, high-performance web framework from Microsoft, and Windows Server 2025 with IIS 10.0 is a first-class hosting environment for it. Unlike classic ASP.NET which runs directly inside IIS worker processes, ASP.NET Core applications run as standalone processes that IIS […]

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How to Secure Apache with Let's Encrypt on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt on FreeBSD 14

Introduction How to Secure Apache with Let’s Encrypt on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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How to Install Podman on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Install Podman on Windows Server 2025

How to Install Podman on Windows Server 2025 Podman is a daemonless, rootless container engine that has become a popular alternative to Docker, especially in security-conscious enterprise environments. Unlike Docker, which requires a privileged background daemon, Podman runs containers directly as child processes of the invoking user — eliminating the central daemon as a privilege […]

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How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure Laravel 11 with Nginx on Ubuntu 24.04

Laravel 11 is the latest major version of the popular PHP framework, introducing a streamlined skeleton, the new Reverb WebSocket server, and improved Eloquent features. This guide deploys a Laravel 11 application with Nginx and PHP 8.3 on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx, PHP […]

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How to Configure IIS with FastCGI for PHP on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure IIS with FastCGI for PHP on Windows Server 2025

How to Configure IIS with FastCGI for PHP on Windows Server 2025 PHP is one of the most widely deployed server-side languages in the world, powering platforms such as WordPress, Drupal, and Laravel. While Linux with PHP-FPM is the dominant hosting environment, Windows Server 2025 with IIS and FastCGI is a fully capable alternative — […]

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How to Configure Remote Access VPN with SSTP on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Remote Access VPN with SSTP on Windows Server 2025

How to Configure Remote Access VPN with SSTP on Windows Server 2025 Secure Socket Tunneling Protocol (SSTP) is a Microsoft VPN protocol that encapsulates Point-to-Point Protocol (PPP) traffic inside an HTTPS connection on TCP port 443. Because SSTP uses the same port as standard HTTPS web traffic, it works reliably in environments where UDP-based VPN […]

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