From Practice
Digital Education in Oldenburg: Ensuring Future-Proof School IT with UCS@school

In this guest article, we would like to report on how we have future-proofed the IT infrastructure of around 50 schools in Oldenburg, how we have overcome challenges and which solutions have convinced us, and which exciting projects still lie ahead of us. As the school IT department for the city of Oldenburg, we look [...]
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Full Steam Ahead: How to Install Nubus in Your Local Kubernetes Cluster

Time to set sail: We're spinning up a local Kubernetes cluster and hoisting the Nubus flag—your very own test environment for centralized Identity & Access Management. Missed part one? That's where we explained how Kubernetes works and who's really at the helm inside the cluster. In the first part of this series, we broke down [...]
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UCS@school: How the Wetteraukreis Manages Its School IT Centrally

How can centralized school IT be successfully implemented in a rural district with 85 schools? The Wetteraukreis demonstrates how to establish a reliable digital infrastructure using UCS@school, clear processes, and a strong team. Key factors for success include automation, data protection, and direct on-site support. The Wetteraukreis is located north of Frankfurt am Main and, [...]
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Setting Sail with Kubernetes: A Beginner’s Guide

With Nubus for Kubernetes, you now have an Open Source solution that makes identity and access management in Kubernetes environments simple and centralized. We'll show you how Kubernetes keeps your containers on course—and who's really at the helm of your cluster. In the world of modern IT infrastructure, Kubernetes has taken the helm—especially when applications [...]
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Digital Sovereignty for Lübeck’s Schools – With Open Source and Central IT Management

Digital education needs a reliable technical foundation - and this can only be created if you have it in your own hands. For us in Lübeck, it was therefore clear that our school IT must be centrally manageable, secure and independent of large IT groups. This is precisely why we rely on the open source [...]
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Digital Transformation at Flensburg Schools: From Heterogeneity to Uniformity

In the city of Flensburg, we have very successfully implemented a central school IT infrastructure in recent years and decisively advanced digitalization. By implementing UCS@school, we were able to create a central IT infrastructure that improves the learning environment for pupils and significantly reduces the administrative tasks of teachers. Turning a Patchwork into a Functioning [...]
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Effortless E-Invoicing with EGroupware and Univention Corporate Server

As of January 2025, electronic invoicing is now mandatory for B2B transactions in Germany. That means it's time to get up to speed! The good news for UCS users? There's no need to invest in additional software—EGroupware, available through the Univention App Center, now includes the E-Invoicing app, a built-in module that fully supports e-invoicing. [...]
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How to Build Your Own Identity & Access Management Using Free Open-Source Components?

Does your HR department ask for fast and standardized onboarding and offboarding for internal and external teams? Does your helpdesk want SSO access to all essential apps to reduce password reset requests? Do your department heads need independent user and group management to quickly grant their employees access to the right applications? Is your compliance [...]
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Integrate Nextcloud manually into UCS

The Nextcloud app from the Univention Appcenter is a very effective way of making a functioning integration of the popular “File Sync and Share” solution into the management system of the Univention Corporate Server within a very short time. This is suitable for making the services of the Nextcloud hub available to a manageable number [...]
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Well-Organized and Secure: Building the Perfect Mail Server with UCS

With the UCS Mail Server app, you can set up your very own digital post office. Postfix handles outgoing mail, Dovecot manages incoming mailboxes, and integrated tools like ClamAV and SpamAssassin keep your inbox safe from viruses and spam. The Fetchmail app adds another layer of convenience by working like a postman, fetching emails from [...]
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