Tutorials
A Centralized Log Routing Pipeline with Vector
A practical Vector-based setup for filtering, enriching, and routing scattered log streams to multiple destinations.
Tutorials
280 posts
Step-by-step guides, practical examples and hands-on tutorials.
Tutorials
Safe Version Promotion with Argo CD Image Updater
A guide for setting up a safe promotion model on a GitOps pipeline without leaving container versions to uncontrolled automation.
Tutorials
Detecting Server Configuration Drift with Ansible
A guide to Ansible-based drift auditing for measuring and reporting deviations from the expected state on Linux servers.
Tutorials
Docker Container Security Guide
From image supply chain to runtime hardening, a practical checklist and runbook for running Docker containers safely in production.
Tutorials
Designing Prometheus Alert Routing
A guide for building an Alertmanager routing model that reduces misdirected alerts and accelerates incident response.
Tutorials
External Secrets Flow for Kubernetes Secret Rotation
A guide based on External Secrets for pulling secret data from a central vault and applying rotation in Kubernetes environments.
Tutorials
Publishing Internal Services and Automating TLS with Traefik
A Traefik-based guide for safely publishing internal services and automating the certificate lifecycle.
Tutorials
Machine Identity Management with Vault
A guide to designing short-lived machine identities for servers, services, and automation users instead of static secrets.
Tutorials
Observing Linux Network Flows with eBPF
A guide for tracking flows, latency, and connection behavior on Linux servers with eBPF without drowning in packet capture.
Tutorials
Multi-Environment Promotion Pipeline with GitOps
A practical, GitOps-based guide for building a controlled promotion flow across development, test, and production environments.
Tutorials
End-to-End Observability Pipeline with OpenTelemetry
An OpenTelemetry-based observability architecture that brings metric, log and trace data into a single standard.
Tutorials
Immutable Infrastructure Discipline on Linux Servers
An approach for moving server configuration out of manual labour and into a safe, repeatable automation flow.
Tutorials
Cloudflare Tunnel and Reverse Proxy Guide
How to set up a secure reverse proxy structure that hides your origin IP using Cloudflare Tunnel.
Tutorials
Building a Modern Blog with Astro
How to build a fast, SEO-friendly, and high-performance blog with the Astro framework.
Tutorials
Secret Rotation Strategies: The Security Cost of Automation
I delve into secret rotation strategies, the impact of automation on security, and practical approaches.
Tutorials
Log Level Decisions: The Anatomy of DEBUG, INFO, and ERROR Strategies
Managing system and application log levels (DEBUG, INFO, ERROR) correctly is critical for troubleshooting and operational efficiency. In this guide, based on.