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Introducing the DKRZ Tech Talks

Aug 26, 2020

Dear users,

It is our great pleasure to introduce the DKRZ Tech Talks. In this series of virtual talks we will present services of DKRZ and provide a forum for questions and answers. They will cover technical aspects of the use of our compute systems as well as procedures such as compute time applications and different teams relevant to DKRZ such as our machine learning specialists. The talks will be recorded and uploaded afterwards for further reference.

The kick-off will be a talk by Sofiane Bendoukha introducing the new JupyterHub installation for interactive access to compute resources and data on Tuesday, September 1, 2020 at 15:15. Jupyter Notebooks have become increasingly popular among different fields of science. A Jupyter Notebook provides a flexible and user-friendly interface to perform interactive (super) computing and also enables reproducible science. This includes live code, equations and visualizations. It supports several languages like Python (IPython), Julia, R etc.

At the DKRZ, we provide different solutions to launch notebooks on our Supercomputer Mistral: ssh scripts or centralized services. In this first talk we are going to introduce the Jupyterhub service at the DKRZ, more precisely the newly deployed release. Jupyterhub is a multi-user server that allows spawning single-user notebook servers via a web browser. We will cover the following items:

- access and log in to the service

- launch Jupyter notebooks

- switch/enable kernels and interfaces

Please find all details and a link to the registration at


Further talks already scheduled are:

 - Mo, Sept 14, 2020 15:15 Mathis Rosenhauer and Prof. Robert Sausen (DLR) will present the procedure for compute time applications and the decision process in the Wissenschaftlicher Lenkungsausschuss (WLA).

 - Tue, Sept 29, 2020 15:15 Aaron Spring (MPI for Meteorology) will present the use of the python library intake for painlessly loading data from various sources on mistral. 

 - Tue, Oct 13, 2020 15:15 Chistopher Kadow and Tobias Weigel will present the machine learning teams at DKRZ.

Future talks will be scheduled based on user requests and availability of speakers. You can find all information at

Best regards,

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