WZ-IT Logo

WZ-IT Blog

Insights, tutorials and best practices from the world of Cloud, DevOps and Open Source

Tutorials
Guides
Insights

All Posts

OpenSearch vs. Elasticsearch: Search Without Vendor Lock-in

Enterprise search is business-critical today - and this is where you don't want to risk unexpected restrictions or dependencies on individual providers. But that's exactly...

06.10.2025#OpenSearch #Elasticsearch #EnterpriseSearch #VendorLockIn #OpenSource #DigitalSovereignty #ApacheLicense #AGPL #ELKStack #Logstash #Kibana
Read more

What's new in Twenty CRM 1.3.0 and 1.4.0

At WZ-IT, we use Twenty CRM ourselves as our central customer management system. It is lean, modern, completely open source and fits perfectly with our claim...

17.09.2025#TwentyCRM #OpenSource #CRM #Updates #Releases
Read more

Tutorial: Remove Proxmox Subscription Warning

If Proxmox is used without a valid subscription, the familiar "No valid subscription " message appears when logging into the web interface. The Enterprise subscription is...

16.09.2025#Proxmox #OpenSource #Tutorial #Virtualization
Read more

GDPR-Compliant AI Inference with Our GPU Servers

More and more companies want to integrate AI-supported processes into their workflows - from document analyses to customer support chatbots and individualized LLM applications. But many...

14.09.2025#AI #LLM #GPU #Server #Ollama #OpenWebUI #Privacy #GDPR
Read more

Let's Talk About Your Idea

Whether a specific IT challenge or just an idea – we look forward to the exchange. In a brief conversation, we'll evaluate together if and how your project fits with WZ-IT.

Trusted by leading companies

  • Keymate
  • SolidProof
  • Rekorder
  • Führerscheinmacher
  • ARGE
  • NextGym
  • Paritel
  • EVADXB
  • Boese VA
  • Maho Management
  • Aphy
  • Negosh
  • Millenium
  • Yonju
  • Mr. Clipart
E-Mail
[email protected]
1/3 – Topic Selection33%

What is your inquiry about?

Select one or more areas where we can support you.