New Evolutionary Stage – Flexible Roles and Rights Model with Guardian for UCS

Following the release of Guardian earlier this year, we are continuing our journey to raise the role and rights model of our products to a new level. We are excited to share the next steps in this exciting evolution with you.

Univention Corporate Server 5.0-8

The eighth patch level release for Univention Corporate Server (UCS) 5.0, UCS 5.0-8, is now available. This release includes all errata for bug fixes and security updates published since version 5.0-7, including updates for Docker, Python, PostgreSQL, and various Univention-specific packages. UCS 5.0-8 can be updated via the “Software Update” module or downloaded from our […]

Univention Identity & Access Management will be called Nubus in the future


The Identity and Access Management (IAM) and portal, introduced as Nubus at the Univention Summit 2024, are already functional components of the Univention Corporate Server (UCS). To provide more clarity regarding our products, the Nubus product name will soon be visible within UCS.

UDM Blocklists: Take Control of User Properties in UCS Environments

Have you ever faced the challenge of ensuring certain user properties, like usernames or email addresses, remain off-limits for future accounts after deleting a user? The new blocklist feature in Univention Corporate Server Version 5.0-6-erratum-974 is the solution. This article takes a closer look at UDM blocklists.

UCS@school 5.0 v5 Released

UCS@school 5.0 v5, the fifth patch level release of UCS@school 5.0, is now available, containing a number of fixes and improvements, some of which I would like to highlight.

Univention Corporate Server 5.0-7

Univention Corporate Server (UCS) 5.0-7, the seventh patch-level release for Univention Corporate Server (UCS) 5.0, is now available. It encompasses all errata, bug fixes, and security updates released since version 5.0-6, including updates for OpenSSH, MariaDB, and the Linux kernel. Additionally, an exciting new feature has been introduced: the blocking of previously used values in […]

New Manual for Debian and Ubuntu Administrators for faster on boarding with UCS

Manual Debian Ubuntu

We have added a new member to our portfolio of product documents: The manual “Univention Corporate Server for Debian and Ubuntu Administrators” is now publicly available. This document has been specially developed to make it easier for people with an administrative background in Debian GNU/Linux and Ubuntu to get started with UCS and to avoid […]

Univention Corporate Server 5.0-6

Blog UCS Release 5.0-6

The sixth patch level release for Univention Corporate Server (UCS) 5.0 is available with Univention Corporate Server 5.0-6. It contains all bug fixes and security updates released since version 5.0-5, including for PostgreSQL, Samba and a number of Univention’s own packages. Also included are various preparations for the upcoming UCS 5.2.

UCS 5.2 Alpha: Preliminary Version of the Next UCS Released

Blog UCS 5.2 Alpha

On November 21, we released the Alpha version of UCS 5.2. It is the harbinger for the first minor release since the release of UCS 5.0 in May 2021. The Alpha version is intended to give a first impression of the upcoming UCS 5.2, in particular the basic packages of the distribution have been updated; […]

SimpleSAMLphp and Kopano Konnect Deprecated – Keycloak Will Be the Only IDP in UCS 5.2

Header: Keycloak Identity Provider

As announced, we will introduce Keycloak as the default identity provider (IDP) with UCS 5.2. That raises the question of how long the previous IDP based on SimpleSAMLphp will be supported in UCS. In this article, I explain why we have decided to link the maintenance period of SimpleSAMLphp with that of UCS Release 5.0 […]