From Practice

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. [...]

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 [...]

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 [...]

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 [...]

This article introduces the Print Server (CUPS) app—a central solution for managing printing in Univention Corporate Server. With features like printer and queue management, support for most printer models, and flexible connection options, CUPS is a must-have tool for any office network. In most company networks, a print server plays a central role to make [...]

Nubus for Kubernetes is officially live with version 1.0, and it’s all set for real-world deployment! Now, organizations have the power to build large application environments that are not only user-friendly but also scalable on a whole new level. With Nubus, managing identities, permissions, and application access is straightforward and efficient—centralized, exactly as it should […]

Almost four years ago, a new training concept was launched and has been continuously developed ever since. The lockdown forced us to switch to remote training, which proved to be so effective that we still rely on it today. This year, we introduced some innovations to make our training sessions even more practical and flexible, [...]

Keycloak makes managing user access in Nubus straightforward with a centralized Single Sign-On (SSO) solution. Once logged in to the Keycloak Identity Provider (IdP), end users can seamlessly access all connected web applications. This article covers the main features of the Keycloak Admin Console to help you get started with centralized authentication management. Thanks to [...]

With the DHCP Server App, you manage IP addresses automatically, flexibly, and securely. Whether it's static or dynamic addresses, the app handles it all for you, saving time and ensuring smooth network configuration. It’s a real game-changer for admins managing large networks with lots of devices coming and going. In big, distributed networks with tons [...]

Welcome to the sixth edition of our UCS App Series! Today, it's all about Let's Encrypt, the top provider of free SSL/TLS certificates. With the Let's Encrypt app in the Univention App Center, you can easily and automatically secure your UCS services like Apache, Postfix, and Dovecot. Before we dive into how the app can [...]