Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
My First Real SAP HANA Installation Experience This content is based on my personal learning experience using SAP Learning Hub. Thanks to SAP for providing a hands-on environment that makes learning much more practical. As someone new to the SAP…
My First Day of Linux Essentials Preparation: Understanding the Linux Ecosystem Today I officially began my Linux Essentials exam preparation journey. As I reviewed the notes from the first day, I realized once again that Linux is not just an…
From Basic Routing to NGFW: Securing a Hyper-V Lab with Sophos Firewall Cybersecurity labs are constantly evolving. I recently decided that the standard router server managing the “firmennetz” (corporate network) traffic on my Hyper-V setup was no longer meeting my…
From GitOps to MLOps: Deploying a Real-Time AI Monitor In my previous post, I discussed how I built a 100% autonomous, self-managing cloud infrastructure (GitOps) for the PactNote project. After laying such a solid foundation, I wanted to test this…
The GitOps Revolution: Achieving Zero Downtime with ArgoCD Welcome! In the first article of our series, I explained step-by-step how we spun up a 3-node Kubernetes (K3s) cluster from scratch on Hyper-V using Terraform, and how we injected our enterprise…
Building a One-Click Enterprise Kubernetes Infrastructure for Disaster Recovery Welcome! Today, I will be sharing the behind-the-scenes of our “One-Click Infrastructure & App Deployment” project—a project that didn’t just remain a theoretical concept, but one where we truly got our…
From Bare Metal to GitOps: Architecting a Modern Kubernetes Cluster for PactNote Behind every great software project lies an invisible hero: Infrastructure. When starting a new project, many of us tend to open our code editors right away and focus…
Building a Private Intranet Cloud: A Step-by-Step Guide to Apache2, MariaDB, and Nextcloud Hello everyone! In this post, I will share my adventure of building a fully-fledged web server from scratch in a “Remote Lab” environment. Our goal is not…
Building an Air-Gapped Automated Backup System with TrueNAS and iSCSI We live in a digital world, and whether we are a massive corporation or a small startup, our most valuable asset is our “data.” It has happened to all of…
Building a Company’s Digital Heart: A Guide to Enterprise Server Infrastructure from Scratch In today’s digitized world, a company’s success isn’t just measured by the product it sells, but by the robustness of the technological infrastructure supporting it. As a…