web server

Common Problems 115426

RHEL 7 SELinux Denies httpd Write Access to Web Content

🟠 High   ⏱ 5–30 min  Last verified: 24 March 2023 Affected versions: RHEL 7 📖 ~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 Windows Server 2022 Group Policy Security Filtering — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Group Policy Security Filtering

The Windows Security Event Log The Windows Security event log is the primary source of security-relevant audit records on Windows Server 2022. Located under Windows Logs → Security in Event Viewer, this log records authentication events, account management changes, object access, privilege use, process activity, and policy modifications — provided the appropriate audit policies are […]

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Common Problems 124487

Oracle Linux 9 – Common Problem 003 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 22 March 2023 Affected versions: Oracle Linux 9 📖 ~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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How to Install Lighttpd on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Lighttpd on Oracle Linux 9

Introduction This tutorial demonstrates how to Install Lighttpd on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with the default AppStream […]

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How to Install pgAdmin 4 on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install pgAdmin 4 on RHEL 7

How to Install pgAdmin 4 on RHEL 7 pgAdmin 4 is the leading open-source administration and management tool for PostgreSQL databases. It provides a feature-rich web-based interface for browsing database objects, running SQL queries, monitoring server activity, managing roles and tablespaces, and much more. Unlike pgAdmin 3 which was a native desktop application, pgAdmin 4 […]

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How to Configure Network Load Balancing (NLB) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Network Load Balancing (NLB) on Windows Server 2022

Introduction to Network Load Balancing on Windows Server 2022 Network Load Balancing (NLB) is a built-in Windows Server feature that distributes incoming TCP/IP traffic across multiple servers in a cluster. Unlike Windows Server Failover Clustering (WSFC), which provides high availability by moving a service from a failed node to a healthy one, NLB distributes load […]

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How to Install Apache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Apache on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install apache on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Apache on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Install and Configure Nagios Core on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Nagios Core on RHEL 7

How to Install and Configure Nagios Core on RHEL 7 Nagios Core is one of the most widely deployed open-source infrastructure monitoring systems in the world. It provides comprehensive monitoring of hosts, services, and network devices, alerting administrators when things go wrong and when they recover. On RHEL 7, setting up Nagios Core from source […]

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How to Configure Hyper-V Live Migration on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Hyper-V Live Migration on Windows Server 2022

How to Configure COM+ Application Server on Windows Server 2022 COM+ (Component Object Model Plus) is a Windows application services layer built on top of COM and MTS (Microsoft Transaction Server). It provides distributed application infrastructure including automatic transaction management, object pooling, role-based security, and event services. On Windows Server 2022, COM+ is part of […]

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How to Configure Nginx with PageSpeed Module on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Nginx with PageSpeed Module on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure nginx with pagespeed module on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Nginx with PageSpeed Module on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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