web server

How to Install and Use Podman Pods on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Podman Pods on RHEL 7

How to Install and Use Podman Pods on RHEL 7 Podman is a daemonless, rootless-capable container engine that ships with modern versions of RHEL and is available via EPEL on RHEL 7. One of Podman’s most powerful features is pods — a concept borrowed directly from Kubernetes. A pod is a group of one or […]

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Common Problems 125134

Oracle Linux 8 – Common Problem 017 – Diagnosis and Fix

🟢 Low   ⏱ 5–30 min  Last verified: 9 December 2020 Affected versions: Oracle Linux 8 📖 ~3 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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Common Problems 117621

Ubuntu 20.04 LTS – Certbot renewal fails because port 80 is in use – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 December 2020 Affected versions: Ubuntu 20.04 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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Common Problems 113607

Windows Server 2012 R2 — WSUS Synchronization Stalls and New Security Updates Never Appear — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 December 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Configure Server Manager on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Server Manager on Windows Server 2012 R2

How to Configure Server Manager on Windows Server 2012 R2 Server Manager is the primary management console introduced in Windows Server 2008 and significantly enhanced in Windows Server 2012 R2 to support multi-server management from a single pane of glass. On Windows Server 2012 R2, Server Manager provides a unified dashboard for installing and managing […]

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How to Install Nginx via AIX Toolbox on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install Nginx via AIX Toolbox on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install nginx via aix toolbox on ibm aix 7.2 […]

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How to Configure a DSC Pull Server on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure a DSC Pull Server on Windows Server 2016

Introduction PowerShell Desired State Configuration (DSC) Pull Server on Windows Server 2016 provides a centralised configuration management service. Target nodes automatically pull their configuration MOF files and report compliance status back, enabling drift detection and automatic remediation at scale. Installing Pull Server Prerequisites Install required features and modules: Install-WindowsFeature DSC-Service, Web-Server -IncludeManagementTools Install-Module xPSDesiredStateConfiguration -Force […]

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How to Configure Fine-Grained Password Policies on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Fine-Grained Password Policies on Windows Server 2012 R2

How to Configure Fine-Grained Password Policies on Windows Server 2012 R2 Prior to Windows Server 2008, Active Directory supported only a single password policy and account lockout policy per domain — defined in the Default Domain Policy GPO. This meant all users in the domain were subject to the same password rules regardless of their […]

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How to Install Nginx on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Nginx on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install nginx on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Nginx on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Set Up Nginx Load Balancing on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Nginx Load Balancing on Oracle Linux 8

Introduction How to Set Up Nginx Load Balancing 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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