Gratien D'haese

Gratien D'haese

Gratien D'haese is a Belgian independent IT Consultant who is already 25 years active in the Unix world (and with Linux since its invention in 1991). Gratien has a broad experience with Unix in general, Unix networking and security, big system administration tasks, clustering, consultancy and project management.

Gratien is co-founder and main designer of Relax and Recover (rear) together with Schlomo Schapiro (from Germany). The web site of rear is located at

He is also a Board member of one of the first Linux-SIGs in Belgium (of the Open Technology Assembly) where he has given lots of talks on Open Source topics (see

Gratien is still the project leader of the Open Source project "Make CD-ROM Recovery (mkcdrec)" which is the forerunner of rear - see

Talk: The end of the Internet as we know today (Exploring Ipv6)