Introduction How to Configure SELinux Targeted Policy on CentOS Stream 10 on CentOS Stream 10 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 […]
🔴 Critical ⏱ 5–30 min Last verified: 23 June 2025 Affected versions: Windows Server 2025 📖 ~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 […]
Introduction This tutorial demonstrates how to Configure auditd Rules on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream repositories enabled. […]
Swap space extends the effective memory of a Linux server by using disk space as overflow RAM. This guide creates and configures a swap file on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Sufficient free disk space (at least 1–2 GB) Step […]
Introduction This tutorial demonstrates how to Configure SELinux Policies on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with the default […]
How to Set Up a Hyper-V Cluster on Windows Server 2025 A Hyper-V cluster — built on Windows Server Failover Clustering (WSFC) — provides the foundation for high-availability virtualisation. When a host node fails, the virtual machines running on it automatically restart on surviving nodes, often within a minute or two, without any manual intervention. […]
Introduction Setting up back up postgresql with pg_dump on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Back Up PostgreSQL with pg_dump on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
Introduction This tutorial demonstrates how to Configure Postfix Mail Server on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream repositories […]
Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up openvpn on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up OpenVPN on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install perl modules with cpanm both straightforward and auditable. This tutorial covers the complete procedure for how to Install Perl Modules with cpanm on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
