Hi, In our faculty (Kapteyn astronomical institute) we are using Scientific Linux 6 on our servers and client machines. Recently, we've considered to migrate to Scientific Linux 7 but are not sure if this is the right move to make. CentOS7 is also a potential consideration but we cannot confirm if this is the right way either. Is Fermilab and CERN still involved in the development and maintenance of Scientific Linux and for how long? Should we still choose to use SL6 and migrate to SL7 or would we better be off using CentOS? What potential problems could we be facing migrating to SL7? Can one of you shed some light on this? Thanks in advance! -- Valentin Bajrami Kapteyn Astronomical Institute University of Groningen Postbus 800 NL-9700 AV Groningen The Netherlands Phone: +31-(0)50-3634068 URL: http://www.astro.rug.nl/~valentin