Cacti is now back in operation on a beefier box (Sun X4100).
http://stats.umbc.edu/syscore/cacti/graph_view.php
www1 and www3 serve www.umbc.edu
www4 serves userpages.umbc.edu
uportal1 & 2 serve myUMBC
grimm is the MySQL db server
Not all hosts we have are listed there, namely Linux servers because of problems with Net-SNMP on that platform.