Custom 60 second interval test still has 5 min interval graph

list Steve Lamb
Thu, 27 Aug 2015 10:46:54 +0100
Message-Id: <user-19eea874e326@xymon.invalid>

I installed xymon on fedora 22 from the repo terabithia.

All the packages installed ok, but http://<hostname>/xymon brings up an 
empty directory listing.

How do I start it up, and use it ?