Introduction How to Configure Automatic Security Updates with dnf-automatic on RHEL 10 on RHEL 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 […]
Introduction Setting up configure chrony for time synchronization on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Chrony for Time Synchronization 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 Install MetalLB on RHEL 10 Kubernetes 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. […]
Nginx is a high-performance web server and reverse proxy used by millions of websites worldwide. It handles static files efficiently, serves as a load balancer, and acts as a reverse proxy for application servers. This guide installs and verifies Nginx on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
Introduction This tutorial demonstrates how to Configure Network QoS with tc on Oracle Linux 10 on Oracle Linux 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 Oracle Linux 10 system with […]
Docker Compose simplifies multi-container application deployment using a declarative YAML file. This guide demonstrates deploying a full-stack web application (Nginx, Node.js API, MySQL, Redis) with Docker Compose on Ubuntu 26.04 LTS, covering real-world patterns like named volumes, custom networks, health checks, and environment variable management. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 […]
Introduction This tutorial demonstrates how to Run OpenSCAP Compliance Scans 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 RHEL 10 ships with a stable, security-hardened base that makes deploying use network-bound disk encryption (nbde) both straightforward and auditable. This tutorial covers the complete procedure for how to Use Network-Bound Disk Encryption (NBDE) on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction Setting up configure vlan interfaces on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure VLAN Interfaces on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
The ELK Stack (Elasticsearch, Logstash, Kibana) is a powerful log management and analytics platform. Elasticsearch stores and indexes logs, Logstash collects and transforms them, and Kibana provides visualisation dashboards. This guide installs the ELK stack on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with at least 4 GB […]
