Tls Ssl

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7 Flask is a lightweight Python web framework ideal for building APIs and web applications. While Flask’s built-in development server is useful for testing, it is not suitable for production workloads. The standard production stack on RHEL 7 combines Gunicorn as a WSGI […]

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Common Problems 117575

pip SSL CERTIFICATE_VERIFY_FAILED Behind Proxy

🟡 Medium   ⏱ 5–30 min  Last verified: 22 January 2021 Affected versions: 20.04 📖 ~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 […]

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Common Problems 113062

Windows Server 2016 — Affinity mode mismatch causes session stickiness failures for stateful applications — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 22 January 2021 Affected versions: Windows Server 2016 📖 ~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 Perform a CIS Benchmark Audit on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on Debian 9

Introduction Deploying perform a cis benchmark audit on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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Common Problems 121549

Debian 9 Failed to Fetch Due to Proxy Misconfiguration

🟡 Medium   ⏱ 5–30 min  Last verified: 20 January 2021 Affected versions: Debian 9 📖 ~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 Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2

How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2 Cross-forest trusts enable users in one Active Directory forest to access resources in another forest, enabling collaboration between organizations, supporting merger and acquisition scenarios, and allowing resource sharing between separate business units with independent IT governance. Windows Server 2012 R2 supports several […]

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Common Problems 119058

Ubuntu 14.04 LTS Apache2 Fails with Address Already in Use

🟡 Medium   ⏱ 5–30 min  Last verified: 19 January 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 […]

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Common Problems 115409

RHEL 7 service reports running but application port is not listening

🟠 High   ⏱ 5–30 min  Last verified: 19 January 2021 Affected versions: RHEL 7 📖 ~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 Automate Windows Server 2012 R2 Provisioning with PowerShell and MDT — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Automate Windows Server 2012 R2 Provisioning with PowerShell and MDT

How to Set Up DirectAccess for Always-On VPN on Windows Server 2012 R2 DirectAccess is Microsoft’s always-on connectivity technology for domain-joined Windows clients. Unlike traditional VPN that requires a user to manually connect, DirectAccess automatically establishes a secure IPv6-over-IPv4 tunnel whenever the client computer detects it is outside the corporate network — before the user […]

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How to Install and Configure IIS on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Install and Configure IIS on Windows Server 2016

How to Configure Windows Server 2016 IIS Web Server Internet Information Services (IIS) 10.0 is the web server platform included with Windows Server 2016. It supports HTTP, HTTPS, FTP, and WebSockets, and is used to host websites, web applications, REST APIs, and web services. This guide covers installing IIS, creating websites, configuring bindings and SSL […]

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