Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
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…
How to Build a Real-Time Industrial SCADA System using Python and KEPServerEX In the era of Industry 4.0 and Digital Transformation, the biggest challenge for factories is making machines that speak dozens of different languages on the shop floor (Siemens…
Zero Downtime: Architecting a 50-User Engineering IT Setup from Scratch Sometimes I ask myself, “If a company came to me like this, how would I build the most accurate and secure IT infrastructure for them from scratch, without any limitations?”…
Mastering Storage Redundancy: A Deep Dive into RAID Configuration via Hyper-V Technical Note: The environment used for this guide was configured with German (Deutsch) as the system language. Consequently, all screenshots feature German UI terminology. To ensure clarity for English-speaking…
High-Velocity Analytics: Benchmarking SAP HANA with 1 Million Records on Docker In today’s business world, data is the new oil; however, raw oil is meaningless unless refined. The speed of processing data is the key to competitive advantage. Traditional Relational…
Deep Dive into Active Directory: Mastering FSMO Roles and Securing Branch Offices (RODC) Active Directory (AD) is essentially the “digital phonebook” and security guard of a company network. It manages users, computers, and permissions. However, as an organization grows, simply…
Building a Multi-Domain Active Directory Forest In the world of IT, setting up a single server is just “Day 1” stuff. The real expertise lies in understanding how to build a network that can survive failures, scale across different office…
Windows Server File Shares, NTFS Permissions As a system administrator, one of your most critical tasks is ensuring that data is accessible only to the right people with the correct level of authorization. In this guide, we will walk through…
A Comprehensive Review of IEEE 802.1X and Network Access Control (NAC) Architecture During my training as an IT Specialist for System Integration, I have had the opportunity to examine how the concept of network security has evolved over the years.…