Sharing knowledge: Linux, server administration, open-source and more.
Since October 2025, Windows 10 no longer receives security updates. If you haven't migrated yet, you're running an open risk - here's the pragmatic roadmap.
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Automated monitoring for Proxmox, Docker and backups – how daily watchdog checks prevent failures before the customer notices.
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Backup strategy for SMBs: the 3-2-1 rule explained simply, with concrete hardware recommendations for NAS, external drives, and offsite backups.
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Buying a UPS: What size, what technology, which brands? A practical guide for small businesses, with concrete recommendations.
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Your own AI for your business: A local AI searches your collected documents, contracts and manuals - GDPR-compliant, without the cloud, in seconds.
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Which NAS for small businesses? Synology, QNAP and the right hard drives - a practical guide with clear recommendations.
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What are managed services, what do they cost, and who are they worth it for? An honest overview for SMEs in the Rhein-Neckar region.
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How small and medium-sized businesses in Mannheim and the Rhine-Neckar region can save up to €5,000 per year in IT costs with open-source software.
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Windows Defender or Norton? An honest comparison for small and mid-sized businesses, without the marketing fluff.
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What does an IT maintenance contract in Ludwigshafen really cost? Prices, services, and why a contract pays off for SMBs.
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Computer, smartphone, internet – explained without tech jargon. How I help people without tech experience with their IT problems.
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Practical security measures every business should implement – without a large budget. From backups to firewalls.
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My experience migrating from VMware vSphere to Proxmox VE. How you can save up to €5,000 annually in licensing costs.
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First post on my new IT blog. Here I share knowledge about Linux, server administration and open-source solutions.
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