Hi folks -- I'm releasing a new version (20120808) of the SDK for Linux, which should resolve most GLIBC-related errors. Please upgrade if you are getting errors of the form 'GLIBC_2.5' not found (or 'GLIBC_2.7' not found). http://www.astro.wisc.edu/~townsend/static.php?ref=mesasdk cheers, Rich