A sane environment. This means having a clean, nothing but the bare minimum as far as available libraries go in your running environment. No additional LD_LIBRARY_PATHs, or other extra PATHs set. No strange UMASK settings. No odd aliases. This is such an important step, that we advise if possible, to create a separate account strictly for the use of these instructions. This document assumes an account called 'moose' has been created and is the account currently in use.