First real problem on the Linux box. Sites were down for most of Sunday (and early Monday). Somehow Apache stopped running, it seems that a module was not at the version level that it required. (I am still trying to work out how this happened, I did update some RPMs last week, but if that caused this then I can't explain why it took Apache several days to complain). The fix involved refreshing the Apache RPM and then reapplying the CF connector. Not good. But, we're back up at least.