Firewall

How to Set Up Samba File Sharing on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Samba File Sharing on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up samba file sharing on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Samba File Sharing on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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How to Configure HashiCorp Vault on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure HashiCorp Vault 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 […]

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How to Set Up BGP Routing on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up BGP Routing on Windows Server 2022

Introduction to BGP on Windows Server 2022 Border Gateway Protocol (BGP) is the routing protocol that underpins the global Internet. It is a path-vector protocol that operates between autonomous systems (AS) and is responsible for exchanging reachability information between network domains. Windows Server 2022 includes a full BGP implementation as part of the Remote Access […]

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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 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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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 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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