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   <TITLE>LON-CAPA Auxiliary Software Package Files and Directories</TITLE>
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+<BODY BGCOLOR=#FFFFFF>
 
 <H1>LON-CAPA Auxiliary Software Package Files and Directories</H1>
 <BR>Scott Harrison, September 2000
-
-CVS location: /
-
+<BR>CVS location: doc/otherfiles
+<P>
+This page shows applications and software packages which are secondary (yet
+still necessary) to the proper functioning of the LON-CAPA network code.
+<P>
+<TABLE VALIGN=TOP>
+<TR VALIGN=TOP>
+<TD>
+<IMG HEIGHT=32 WIDTH=32 SRC="working.gif" ALT="working"> a "bug-free", working external software package
+</TD>
+<TD>
+<IMG HEIGHT=32 WIDTH=32 SRC="almostfixed.gif" ALT="almost fixed"> an external software package that is a little buggy and is being worked on
+</TD>
+<TD>
+<IMG HEIGHT=32 WIDTH=32 SRC="bug.gif" ALT="bug">an external software package that has a bug and is currently on the backburner (not being worked on)
+</TD>
+<TD>
+<IMG HEIGHT=32 WIDTH=32 SRC="notmade.gif" ALT="not made">an external software feature that has yet to be really developed, despite possible exploratory work (this may be added to an existing package, or may constitute a new package)
+</TD>
+</TR>
+</TABLE>
+<P>
 <TABLE BORDER=2>
-<TR>
-<TD></TD>
+<TR BGCOLOR=#000000 VALIGN=TOP>
+<TH><FONT COLOR=#FFFFFF>Status</FONT></TH>
+<TH><FONT COLOR=#FFFFFF>Name</FONT></TH>
+<TH><FONT COLOR=#FFFFFF>Description</FONT></TH>
+<TH><FONT COLOR=#FFFFFF>Note</FONT></TH>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="working.gif" ALT="working"></TD>
+<TD>krb4
+<BR><A HREF="krb4.html">[Synopsis]</A> <A HREF="LON-CAPA-krb4-3.1-1.i386.rpm">[RPM]</A></TD>
+<TD>
+<FONT SIZE=-1>From the original source web site:
+<BR>"Kerberos is a system for authenticating users and services on a network. It is built upon the assumption that the network is "unsafe". For example, data sent over the network can be eavesdropped and altered, and addresses can also be faked. Therefore
+they cannot be used for authentication purposes."
+</TD>
+<TD>
+Original source came from:
+<BR>http://www.pdc.kth.se/kth-krb/
+<BR>krb4-0.10.1.tar
+<P>
+There are good RPMs for kerberos version 5, however many educational
+institutions are only compatible with version 4 (and version 4 has its
+advantages).
+</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="working.gif" ALT="working"></TD>
+<TD>mysql
+<BR><A HREF="mysql.html">[Synopsis]</A> <A HREF="LON-CAPA-mysql-3.1-1.i386.rpm">[RPM]</A></TD>
+<TD>SQL database server</TD>
+<TD>Original source came from:
+<BR>http://www.mysql.com
+<BR>mysql-3.22.32.tar.gz
+</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="working.gif" ALT="working"></TD>
+<TD>systemperl
+<BR><A HREF="systemperl.html">[Synopsis]</A> <A HREF="LON-CAPA-systemperl-3.1-1.i386.rpm">[RPM]</A></TD>
+<TD>Various perl modules built from CPAN, but do not exist as well-supported RPMs.  These modules implement important functionality as well as serving as APIs for system application resources (like kerberos and MySQL).</TD>
+<TD>These are the CPAN downloads (http://www.cpan.org/):
+<PRE>
+<FONT SIZE=-2>
+Crypt-DES-2.01.tar.gz
+Crypt-IDEA-1.01.tar.gz
+DBI-1.14.tar.gz
+Digest-MD5-2.12.tar.gz
+HTML-Parser-3.13.tar.gz
+IO-1.20.tar.gz
+Krb4-1.1.tar.gz
+MIME-Base64-2.11.tar.gz
+MIME-tools-5.316.tar.gz
+Msql-Mysql-modules-1.2215.tar.gz
+URI-1.09.tar.gz
+libnet-1.0703.tar.gz
+libwww-perl-5.48.tar.gz
+</FONT>
+</PRE>
+</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="working.gif" ALT="working"></TD>
+<TD>Minimal RPM set
+<BR><A HREF="rpm_list.txt">[Synopsis]</A></TD>
+<TD>
+The set of RedHat standard 6.2 RPMs (including security upgrades) needed for 
+correct functioning of the LON-CAPA server.</TD>
+<TD>
+http://www.redhat.com
+<BR>6.2 plus upgraded packages
+</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="working.gif" ALT="working"></TD>
+<TD>Developer RPM Set
+<BR><A HREF="rpm_list.txt">[Synopsis]</A></TD>
+<TD>A superset of the Minimal RPM set which has RPMs useful for those developing a LON-CAPA server (X-windows, GNOME, various scripting and other utilities).
+</TD>
+<TD>
+http://www.redhat.com
+<BR>6.2 plus upgraded packages
+</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="almostfixed.gif" ALT="almost fixed"></TD>
+<TD>Installation/Upgrade/Reconfiguration
+<BR><A HREF="../anaconda_interfaces/index.html">[Interface snapshots]</A></TD>
+<TD>A Python/TK interface set (orig. Redhat's "anaconda" package) is customized for LON-CAPA specific system maintenance and upgrade.</TD>
+<TD>Interfaces have been scripted.  Need to bug-proof data storage and passing between interface screens as well as system file interactions.</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="bug.gif" ALT="bug"></TD>
+<TD>Complete source-to-CD build</TD>
+<TD>Separate from external software package building.  This step is done when 1 command will read, build, compile, package, and burn a CD based on:
+<UL>
+<LI>LON-CAPA base source code
+<LI>Operating System
+<LI>Operating System customizations 
+</UL>
+in a well-documented working manner.
+</TD>
+<TD>A key step in all of this is to have all the LON-CAPA base source code automatically build into an RPM.</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="notmade.gif" ALT="not made"></TD>
+<TD>System Initialization Configuration</TD>
+<TD>Start all needed modules and daemons upon system boot-up.</TD>
+<TD>Already have written a setuid-ed (runnable by 'www') /etc/rc.d/init.d/loncontrol script.  Needs to be greatly perfected and enhanced.  Should also continually recheck (and if needed) reinitialize SQL database.</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="bug.gif" ALT="bug"></TD>
+<TD>System Monitoring</TD>
+<TD>Have the system perform self-diagnostics and post status reports (as well as reacting to "bad" things like zombies).</TD>
+<TD><TT>loncron</TT> has been used; we've been running it every three hours through crontab.  Still some significant problems, including a slow start-up.</TD>
+</TR>
+<TR VALIGN=TOP>
+<TD><IMG SRC="bug.gif" ALT="bug"></TD>
+<TD>Database blocking</TD>
+<TD>Handle database requests through a separate parent-child daemon network layer.</TD>
+<TD><TT>lonsql</TT> has been written and implemented in some tests of <TT>loncron</TT>.  SQL database requests have been working, but <TT>lonsql</TT> needs to be trained to assess database status better and work with the metadata layer more closely.  In other words, this scheme works, but there's a lot left to do. </TD>
 </TR>
 </TABLE>
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+</HTML>

Name	Description	Note

krb4 + [Synopsis] [RPM]	+From the original source web site: + "Kerberos is a system for authenticating users and services on a network. It is built upon the assumption that the network is "unsafe". For example, data sent over the network can be eavesdropped and altered, and addresses can also be faked. Therefore +they cannot be used for authentication purposes." +	+Original source came from: + http://www.pdc.kth.se/kth-krb/ + krb4-0.10.1.tar + +There are good RPMs for kerberos version 5, however many educational +institutions are only compatible with version 4 (and version 4 has its +advantages). +
mysql + [Synopsis] [RPM]	SQL database server	Original source came from: + http://www.mysql.com + mysql-3.22.32.tar.gz +
systemperl + [Synopsis] [RPM]	Various perl modules built from CPAN, but do not exist as well-supported RPMs. These modules implement important functionality as well as serving as APIs for system application resources (like kerberos and MySQL).	These are the CPAN downloads (http://www.cpan.org/): + + +Crypt-DES-2.01.tar.gz +Crypt-IDEA-1.01.tar.gz +DBI-1.14.tar.gz +Digest-MD5-2.12.tar.gz +HTML-Parser-3.13.tar.gz +IO-1.20.tar.gz +Krb4-1.1.tar.gz +MIME-Base64-2.11.tar.gz +MIME-tools-5.316.tar.gz +Msql-Mysql-modules-1.2215.tar.gz +URI-1.09.tar.gz +libnet-1.0703.tar.gz +libwww-perl-5.48.tar.gz + + +
Minimal RPM set + [Synopsis]	+The set of RedHat standard 6.2 RPMs (including security upgrades) needed for +correct functioning of the LON-CAPA server.	+http://www.redhat.com + 6.2 plus upgraded packages +
Developer RPM Set + [Synopsis]	A superset of the Minimal RPM set which has RPMs useful for those developing a LON-CAPA server (X-windows, GNOME, various scripting and other utilities). +	+http://www.redhat.com + 6.2 plus upgraded packages +
Installation/Upgrade/Reconfiguration + [Interface snapshots]	A Python/TK interface set (orig. Redhat's "anaconda" package) is customized for LON-CAPA specific system maintenance and upgrade.	Interfaces have been scripted. Need to bug-proof data storage and passing between interface screens as well as system file interactions.
Complete source-to-CD build	Separate from external software package building. This step is done when 1 command will read, build, compile, package, and burn a CD based on: + + LON-CAPA base source code + Operating System + Operating System customizations + +in a well-documented working manner. +	A key step in all of this is to have all the LON-CAPA base source code automatically build into an RPM.
System Initialization Configuration	Start all needed modules and daemons upon system boot-up.	Already have written a setuid-ed (runnable by 'www') /etc/rc.d/init.d/loncontrol script. Needs to be greatly perfected and enhanced. Should also continually recheck (and if needed) reinitialize SQL database.
System Monitoring	Have the system perform self-diagnostics and post status reports (as well as reacting to "bad" things like zombies).	`loncron` has been used; we've been running it every three hours through crontab. Still some significant problems, including a slow start-up.
Database blocking	Handle database requests through a separate parent-child daemon network layer.	`lonsql` has been written and implemented in some tests of `loncron`. SQL database requests have been working, but `lonsql` needs to be trained to assess database status better and work with the metadata layer more closely. In other words, this scheme works, but there's a lot left to do.