]] Michael Biebl > > i.e. does /etc/default/rcS exist on a clean jessie install? > > That file is owned by initscripts, so no, that doesn't work. We could check if /sbin/init is a symlink to systemd (or if /proc/1/exe points to systemd) and if not warn. I think that will catch the normal cases. -- Tollef Fog Heen UNIX is user friendly, it's just picky about who its friends are