Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
Understanding File Systems and Core File Operations in Linux As part of my Linux Essentials preparation, I focused today on file systems and directory management. These topics form one of the fundamental building blocks of Linux and play a critical…
What I Learned While Navigating SAP HANA Cockpit Administration in a Training Environment ⚠️ Note: This content was prepared in a training environment provided through SAP Learning Hub. The data used is for testing purposes only. In line with SAP…
SAP HANA Monitoring: From Alerts to Real System Management DisclaimerThis content is based on my personal learning experience using SAP Learning Hub.All screenshots are taken from a training environment and do not include any sensitive or customer-specific data.In accordance with…
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…