Partnership for Advanced Computing in Europe (PRACE) has two new offers for students and researchers. Both courses are online-based, and you can sign up for a free or use a payment version.
The first course is about how supercomputers work, how they are used in daily research and the breakthroughs that have been made by using computer simulations. You can read more about the content and sign up here.
The second course is about data. Here is the cwntral point how to handle and analyze large amounts of data using R-programmering and Hadoop open source code. You can read more here.