I‘m Klaus Aschenbrenner, a Microsoft Certified Master for SQL Server

»  I help people to bring their SQL Server
installations to a new level of excellence.  «

SQLpassion Offerings

SQLpassion helps businesses get the most out of SQL Server – from smooth setups to better performance and long-term stability. As a Microsoft Certified Master, I offer tailored consulting, hands-on workshops, and share my expertise at international events – all with a clear focus on delivering real results.

You have seen my Blog Postings?

Switching My 2019 MacBook Pro to Linux: The T2-Ubuntu Journey

After years of using macOS, I recently decided to install Linux on my old (unused) 13-inch MacBook Pro from 2019 – the one with the infamous Touch Bar and Apple’s T2 security chip. It wasn’t just an experiment. I wanted a fully working x64 based Linux desktop without buying any new hardware, and therefore I

more

Maximizing 40G NIC Performance on Linux with Intel XL710 and Cisco Nexus Switches

In this comprehensive technical walkthrough, I’ll take you through a real-world journey of troubleshooting and tuning a high-performance 40 Gbit Ethernet setup using Intel XL710 network cards connected through a Cisco Nexus 3064 switch. The goal was simple but challenging: to achieve near line-rate performance using iperf3 between two Linux (Proxmox) systems. When I first started testing

more

Past & Upcoming Events