OpenTalk at SLAC 2026: Open source and digital sovereignty in practice

From 11 to 13 May 2026, the Heinlein Group’s Secure Linux Administration Conference (SLAC) will take place in Berlin. SLAC is the specialist conference for Linux administrators, IT security experts and open-source enthusiasts. It offers a unique platform for knowledge exchange, best practices and networking.

OpenTalk at SLAC 2026

As part of the Heinlein Group, OpenTalk will once again be represented at SLAC this year. The conference, often described as a ‘reunion for Linux admins’, impresses with its technical depth, collegial atmosphere and practical content.

Presentation: Installing OpenTalk-Compose in an air-gapped environment

On Tuesday, 12 May 2026, Johannes Keil from net42 GmbH will give a presentation on the topic:

“Installing OpenTalk-Compose in an air-gapped environment”

The presentation will demonstrate one possible approach to installing OpenTalk-Compose in a restricted system environment without internet access. The focus will be on configuration using templating, working with “otctl”, and setting up the system in a greenfield environment. It will highlight how OpenTalk enables secure and reliable communication for public authorities, businesses and educational institutions, even under demanding conditions.

SLAC 2026 – a must for IT professionals

The three-day conference offers:

• In-depth presentations with 60- to 90-minute sessions
• Expert knowledge from practice for practice
• Networking in a relaxed atmosphere
• Evening programme with Berlin flair
• Optional workshops for in-depth hands-on training

SLAC is renowned for its practical content, which appeals to both experienced administrators and security experts.

Secure your ticket now!

The Heinlein Group looks forward to connecting with you at SLAC 2026 in Berlin.

Secure your ticket for SLAC 2026 today and don’t miss the chance to learn from IT experts and network with like-minded professionals. Visit the conference website for further information and registration.