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The LON-CAPA files are released in a single *.tar.gz file.

  • Source code of LON-CAPA, it provides you with
    + network connectivity with other LON-CAPA computers around the world
    + processing and delivery of course material and problem sets to your students
    + classroom and course management
    + extensive new functionality for your web server
    + tools for monitoring the state of your system

After the download, please read the pages describing the configuration, installation, and upgrading of LON-CAPA.

NOTE: Additional downloads are also available.

  • Helpful resources for LON-CAPA,
    + an integrated approach for quickly installing both RedHat 7.3 and LON-CAPA (to ensure 100% reliability)
    + software packages for the quick installation of CPAN perl modules


Source code of LON-CAPA

Current Release is Version 1.1.3. This version was released on April 12 2004 .

Current Beta is Version 0.99.3. This version was released on June 27, 2003.

You can download the most current version of LON-CAPA at (version 1.1.3).

You can download the current beta version of LON-CAPA at (version 0.99.3).

The development release of LON-CAPA is at: (generated 2004-07-06).

To view the code development history of LON-CAPA, you will need to use the CVS tool, the open standard for version control. Please contact Helen ( to request a CVS USERNAME.

The initial CVS commands would be:

cvs login 
cvs co loncapa

For more information on using CVS, please visit or read loncom/build/readme.html after downloading the current version of LON-CAPA as described above.

Helpful resources for LON-CAPA

The entire collection of helpful resources is located at

Most users of LON-CAPA should install LON-CAPA by simultaneously installing both RedHat 7.3 and LON-CAPA. Step-by-step directions are available here.

The "LON-CAPA and RedHat 7.3" tarball is located here.

LON-CAPA makes extensive use of perl modules from CPAN. To help you install all the necessary perl modules, there is a custom-compiled RPM for RedHat 7.* systems: LON-CAPA-systemperl-3.5-rh7.i386.rpm.

For RedHat 6.2 systems, you should instead use LON-CAPA-systemperl-3.5-1.i386.rpm.

To install the systemperl RPM, you should enter the following command:

rpm -Uvh --force LON-CAPA-systemperl-3.5-rh7.i386.rpm

The systemperl RPM will overwrite some of the files present in the regular RedHat perl RPM. This is okay; this will not likely cause problems.

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