As a system administrator dealing with security incidents, you’ll inevitably encounter situations where you need to analyze suspicious files. Running malware on your production systems? Absolutely not. That’s where Docker comes in—providing isolated, disposable environments for safe …

When setting up a new Linux server—whether it’s a web server, database, or application host—security hardening is non-negotiable. This guide covers the essential steps I follow when preparing any production Linux server. Initial Setup Create a Non-Root Admin User Never use root for daily …

Every system administrator needs visibility into their infrastructure. In this guide, we’ll build a complete monitoring stack using Prometheus for metrics collection, Grafana for visualization, and Alertmanager for notifications—all containerized with Docker Compose. Architecture Overview …