Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
How a Lightweight Terminal-Based Server Manager Helped Me Simplify Daily System Administration Anyone who manages servers knows this very well: setting up a server is only the beginning. The real process starts after that. File edits, service checks, log monitoring,…
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…