twforeman If you install Slic3r 1.2.9 into RepetierHost 1.5.6 the Configuration button does not work for Slic3r.See: http://forum.repetier.com/discussion/1209/repetierhost-v1-5-6-slic3r-1-2-9-on-linux-configuration-button-not-working</div>
twforeman It appears that I did not have a required library installed (freeglut3). Sorry about the erronious bug report.