Hi, I added to wiki information how to create bootable USB stick using `dd` command (crucial seems to be `isohybrid` command) [1]. Martin [1] https://github.com/gislab-npo/gislab/wiki/GIS.lab-Unit#basic-operating-system-installation -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa