OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › I cannot run cylinder2d example?! › Re: I cannot run cylinder2d example?! March 17, 2018 at 5:38 pm #2810 Markus MohrhardParticipant Hello Luis, Can you provide the output of pwd, cat Makefile and cat ~/olb-1.2r0/config.mk ? Regards, Markus