Hi, All For the default jlab internal machine as RHEL6.8, we have a pre-compiled solid_gemc installation now refer to here https://hallaweb.jlab.org/wiki/index.php/Solid_Software#.28recommended.29_on_ifarm_or_jlab_internal_machine_with_official_installation_of_framework_and_your_SoLID_repository Zhiwen