--- loncom/cron/loncapa	2002/09/09 15:06:23	1.8
+++ loncom/cron/loncapa	2003/07/29 20:46:57	1.11
@@ -1,6 +1,22 @@
-# re-evaluate lon-capa connections
+####################################################################
+#                                                                  #
+# Maintenance tasks for loncapa which are run on a periodic basis. #
+#                                                                  #
+####################################################################
+
+# Re-evaluate loncapa network connections.
 10 5 * * *    www    /home/httpd/perl/loncron
-10 3 * * *    www    /usr/local/loncapa/bin/CHECKRPMS --cronmail
+
+# Check whether the RPMS are up-to-date and e-mail the system admins.
+# (It is very important to keep a loncapa system running with all applicable
+#  security patches.)
+10 3 * * 1,4,7    www    /usr/local/loncapa/bin/CHECKRPMS --cronmail
+
+# Repopulate and refresh the metadata database used for the search catalog.
 10 1 * * 7    www    /home/httpd/perl/searchcat.pl
+
+# Remove temporary tables from the metadata database.
 13 2 * * *    www    /home/httpd/perl/cleanup_database.pl
 
+# Clean up the printing spool.
+5 1 * * *    www    /home/httpd/perl/cleanup_prtspool.pl