--- loncom/cron/loncapa	2002/11/21 19:41:06	1.9
+++ loncom/cron/loncapa	2010/02/22 15:34:57	1.18
@@ -1,9 +1,34 @@
-# 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
-# Database cleanups
-10 1 * * 7    www    /home/httpd/perl/searchcat.pl
+
+# 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    root    /usr/local/loncapa/bin/CHECKRPMS --cronmail
+
+# Repopulate and refresh the metadata database used for the search catalog.
+10 1 * * 2,4,6    www    /home/httpd/perl/searchcat.pl
+
+# Remove temporary tables from the metadata database.
 13 2 * * *    www    /home/httpd/perl/cleanup_database.pl
-# Printspool cleanup
-5  1 * * *    www    /home/httpd/perl/cleanup_prtspool.pl
 
+# Clean up the printing spool and userfile cache
+5 1 * * *    www    /home/httpd/perl/cleanup_file_caches.pl
+
+# Run the auto enrollment script.
+30 1 * * *    www    /home/httpd/perl/Autoenroll.pl
+
+# Run the auto update script to update first name, last name etc. information.
+30 3 * * *    www    /home/httpd/perl/Autoupdate.pl
+
+# Run auto create script to create courses in:
+# (a) /tmp/addcourse/$dom/auto/pending (XML-based course descriptions);
+# (b) online course requests for official courses queued pending validation
+#     of instructor of record status
+30 2 * * *    www /home/httpd/perl/Autocreate.pl