Every university in Greece is obliged to comply with the national legal framework on open data. The rising question is how such a big and diverse organization could support open data from an administrative, legal and technical point of view, in a way that enables gradual improvement of the open data-related services. In this paper, we describe our experience, as University of Crete, for tackling these requirements. In particular, (a) we detail the steps of the process that we followed, (b) we show how an Open Data Catalog can be exploited also in the first steps of this process, © we describe the platform that we selected, how we organized the catalog and the metadata selection, (d) we describe extensions that were required, and (e) we discuss the current status, performance indicators, and possible next steps.