grommunio training course at the Linuxhotel
We are delighted to announce that the renowned Linuxhotel in Essen, Germany will be hosting a five-day course on grommunio this November.
Please note that the entire course is taught exclusively in German.
The course covers the following topics and will be lead by Michael Kromer, CTO of grommunio.
Implementation and Administration
This course is aimed at administrators and IT managers who wish to install, operate and manage grommunio professionally.
This course is particularly suitable for:
- System and Linux administrators
- IT managers in companies or public sector organisations
- IT service providers and managed service providers
- Exchange administrators who wish to migrate to open-source alternatives
Prerequisites
- a good knowledge of German
- Confident use of Linux
- Basic knowledge of Linux system administration
- Basics of remote administration using SSH
- Understanding of basic network services and protocols (TCP/IP, DNS, SMTP/IMAP, HTTPS/TLS)
Content
- Introduction to grommunio
- Installation and basic configuration
- Administration using the grommunio admin interface
- Mail server and groupware services
- Security and operation
- CLI administration and automation
- High availability and scaling
- Practical exercises
This training course provides administrators with the knowledge required to install, configure, manage and operate the open-source groupware solution grommunio. Participants will learn about the structure of the platform and how to administer key communication and collaboration services such as email, calendar, contacts, chat, Meet and file sharing.
The focus is on both administration via the grommunio Admin Interface and management via the CLI. In addition, topics such as user and permissions management, Active Directory/LDAP integration, security and update strategies, mobile device management, and operation in multi-server environments will be covered.
The training course combines theoretical principles with practical exercises and is ideal for companies, public authorities and IT service providers wishing to operate a modern and robust Linux-based communications platform.
This 5-day course starts on November 23, 2026 at the Linuxhotel.
Take this opportunity to find out more about grommunio and meet our CTO, Michael Kromer, in person.
You can register for the training course on the Linuxhotel website.
