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

How to Install Jenkins on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install jenkins on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Jenkins 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 Configure OpenVAS Vulnerability Scanner on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 9

Introduction How to Configure OpenVAS Vulnerability Scanner on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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

How to Configure Network Load Balancing on Windows Server 2022

What Is Windows Error Reporting? Windows Error Reporting (WER) is an infrastructure built into Windows Server 2022 that automatically detects application crashes, hangs, kernel-mode failures, and driver problems, collects diagnostic data, and can transmit reports to Microsoft or a corporate WER server for analysis. WER captures the data needed to diagnose failures — crash dumps, […]

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How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9

Rootkits are among the most dangerous forms of malware — they conceal themselves and other malicious software deep within the operating system, often modifying system binaries and kernel modules to hide their presence from standard tools. Detecting rootkits requires specialised scanners that check for known signatures, hidden files, suspicious processes, and tampered system binaries. This […]

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Common Problems 124477

Oracle Linux 9 – Common Problem 002 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 30 May 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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Common Problems 113631

Windows Server 2012 R2 — Netlogon service secure channel startup failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2023 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 Install MariaDB on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install MariaDB on Oracle Linux 9

Introduction This tutorial demonstrates how to Install MariaDB 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 Configure BitLocker Drive Encryption on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure BitLocker Drive Encryption on Windows Server 2022

How to Set Up ASP.NET Core with IIS on Windows Server 2022 ASP.NET Core applications are self-contained by default and use their own built-in Kestrel web server. When deploying to IIS on Windows Server 2022, IIS can act as a reverse proxy in front of Kestrel (out-of-process hosting) or host the application directly within the […]

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How to Configure Nginx Rate Limiting on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on Oracle Linux 9

Introduction How to Configure Nginx Rate Limiting on Oracle Linux 9 on Oracle Linux 9 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 configuration […]

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How to Configure Jenkins Pipelines on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Jenkins Pipelines on FreeBSD 12

Introduction Deploying configure jenkins pipelines on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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