web server

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 (DEBIAN-9-2)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx as a tcp/udp load balancer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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Common Problems 114932

RHEL 8 SELinux Denies Apache Access to Custom Content Directory

🟠 High   ⏱ 5–30 min  Last verified: 8 January 2020 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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How to Configure Windows Server 2019 with Ansible — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 with Ansible

Introduction to Ansible for Windows Server 2019 Ansible is an open-source IT automation platform developed by Red Hat that enables infrastructure as code for provisioning, configuration management, application deployment, and orchestration. While Ansible was originally designed for Linux management using SSH, it fully supports Windows Server 2019 management using WinRM (Windows Remote Management) as the […]

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Common Problems 115135

RHEL 8 Cockpit Web Console Unreachable on Port 9090 – RHEL 8 Post 124

🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 2020 📖 ~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 TLS/SSL in IIS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure TLS/SSL in IIS on Windows Server 2012 R2

How to Configure TLS/SSL in IIS on Windows Server 2012 R2 Properly configuring TLS/SSL in Internet Information Services (IIS) on Windows Server 2012 R2 is essential for protecting data in transit for web applications, APIs, and services. The default IIS configuration on Server 2012 R2 supports SSL 2.0, SSL 3.0, and TLS 1.0 — all […]

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How to Configure Nginx as a Reverse Proxy on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on SLES 12

Introduction This tutorial covers How to Configure Nginx as a Reverse Proxy on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to […]

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How to Install Laravel with Nginx on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Laravel with Nginx on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install laravel with nginx on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Install and Configure Envoy Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 8

Envoy Proxy is a high-performance, cloud-native Layer 7 proxy originally built at Lyft and now a CNCF graduated project. Unlike Nginx or HAProxy, Envoy is designed with dynamic configuration via xDS APIs and deep observability baked in, making it the proxy of choice for service meshes such as Istio. On RHEL 8 you can run […]

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

How to Configure Active Directory Rights Management Services on Windows Server 2016

How to Set Up Windows Server 2016 Active Directory Rights Management Active Directory Rights Management Services (AD RMS) is an information protection technology that works with AD RMS-enabled applications to help safeguard sensitive documents and email from unauthorized use. When content is protected using AD RMS, usage policies are embedded directly in the file — […]

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How to Configure Nginx WebSocket Proxying on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on RHEL 8

WebSockets provide a persistent, full-duplex communication channel over a single TCP connection, making them essential for real-time applications such as chat systems, live dashboards, and collaborative tools. Nginx can act as a reverse proxy that transparently upgrades incoming HTTP connections to the WebSocket protocol and forwards them to a backend application server. This tutorial walks […]

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