The UBUNTU Linux distribution needs following components to be installed. - gfortran - a FORTRAN 90 compiler - Xlib - a graphical library Make sure, that the computer is connected to the internet. Open a terminal window and type: sudo apt-get install gfortran sudo apt-get install libx11-dev For parallel execution you should further type: sudo apt-get install libopenmpi-dev sudo apt-get install openmpi-bin Then proceed as listed in the file README