Introduction How to Implement Network Segmentation 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 configuration is […]
🟡 Medium ⏱ 5–30 min Last verified: 29 December 2020 📖 ~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 […]
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 use nim to manage aix installations on ibm aix […]
Introduction Setting up set up two-factor authentication with google authenticator on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Two-Factor Authentication with Google Authenticator on Oracle Linux 8, with all the commands you need, […]
How to Configure a GitHub Actions Self-Hosted Runner on Windows Server 2012 R2 GitHub Actions self-hosted runners allow you to execute CI/CD workflows on your own infrastructure rather than GitHub-hosted virtual machines. This is essential when your build process requires access to internal network resources, licensed software, hardware dongles, or a specific Windows Server configuration […]
🟡 Medium ⏱ 5–30 min Last verified: 28 December 2020 📖 ~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 […]
Introduction This tutorial demonstrates how to Set Up a Go Web Application on Oracle Linux 8 on Oracle Linux 8. 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 8 system […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure selinux boolean settings on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SELinux Boolean Settings on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
Introduction Setting up configure selinux policies on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SELinux Policies on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]
Introduction This guide explains how to Monitor MySQL with Prometheus on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]
