See SBIG or APOGEE for instructions on building and installing the software for your camera. It helps to have a recent Linux operating system installed. This version of XmCCD has been developed and tested on 64-bit OpenSuse 12.3. The default installation of OpenSuse will need additional software. At a minimum add the Motif development and fxload packages. Edit protocol.h for the filter wheel and maximum filter count in your system. With recent versions of Linux, ds9, and xpa you must add this to the local profile (e.g. in /etc/profile.local for global use): export XPA_METHOD=local Otherwise, you will see an error message when ds9 starts, and xmccd and ds9 cannot communicate.