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Diff for /doc/loncapafiles/Attic/loncapafiles.html between versions 1.51 and 1.76

version 1.51, 2001/01/19 23:09:51 version 1.76, 2001/04/05 19:17:29
Line 161  browser and can only be seen be examinin Line 161  browser and can only be seen be examinin
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/rat" CATEGORY="server readonly" DESCRIPTION="home of the rat">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/rat" CATEGORY="server readonly" DESCRIPTION="home of the rat">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/lonIcons" CATEGORY="server readonly">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/lonIcons" CATEGORY="server readonly">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/lonKaputt" CATEGORY="server readonly">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/lonKaputt" CATEGORY="server readonly">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lonUsers" CATEGORY="server standard" DESCRIPTION="home directories of local users">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lonUsers" CATEGORY="server standard" DESCRIPTION="<BR>Home directories of local users.  There is a five-tier structure to the directories: [domain]/[firstletter]/[secondletter]/[thirdletter]/[userid].  For example, a user fredflint at MSU would have his information located in lonUsers/msu/f/r/e/fredflint.<P>Within this directory there are a variety of files which govern the scope of what a user can do within the LON-CAPA system.  A passwd file determines the type of authentication mechanism to use.  There is also are files such as roles.hist (and its database compilation, roles.db) which specify the roles and privileges for a user in the
   LON-CAPA system.">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/lon-status" CATEGORY="server standard" DESCRIPTION="status reports">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/lon-status" CATEGORY="server standard" DESCRIPTION="status reports">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="usr/lib/perl5/site_perl/5.005" CATEGORY="standard">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="usr/lib/perl5/site_perl/5.005" CATEGORY="standard">
 <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/MathML" CATEGORY="server readonly">  <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/MathML" CATEGORY="server readonly">
Line 191  browser and can only be seen be examinin Line 192  browser and can only be seen be examinin
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/access.conf" TARGET="etc/httpd/conf/access.conf" CATEGORY="conf">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/access.conf" TARGET="etc/httpd/conf/access.conf" CATEGORY="conf">
 <DESCRIPTION>  <DESCRIPTION>
 define handlers, set parameters  This file has two major functions.
   For the Apache web server, it defines a global
   access configuration which defines what server options (Indexes", "Includes",
   "FollowSymLinks", "ExecCGI", or "MultiViews") are associated
   with specific directories ("/", "/home/httpd/html", "/home/httpd/cgi-bin",
   and "/usr/doc").  For the LON-CAPA network server and perl module
   handlers, it defines machine specific settings (lonHostID, lonRole,
   lonAdmEMail, lonDefDomain, lonLoadLim, lonExpire, and lonReceipt)
   and internal machine settings for specific directories, socket ports,
   and browser detection logic.
 </DESCRIPTION>  </DESCRIPTION>
 <NOTE>  <NOTE>
 <B>configure</B>  <B>configure</B>
Line 209  define handlers, set parameters Line 219  define handlers, set parameters
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/httpd.conf" TARGET="etc/httpd/conf/httpd.conf" CATEGORY="static conf">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/httpd.conf" TARGET="etc/httpd/conf/httpd.conf" CATEGORY="static conf">
 <DESCRIPTION>  <DESCRIPTION>
 main server configuration file  This is the main server configuration file.  The settings here are
   more or less standard for the Apache web server.  Most notably (and
   importantly!), perl handling and mod_perl are enabled in this configuration
   file.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/srm.conf" TARGET="etc/httpd/conf/srm.conf" CATEGORY="static conf">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/srm.conf" TARGET="etc/httpd/conf/srm.conf" CATEGORY="static conf">
 <DESCRIPTION>  <DESCRIPTION>
 name space configuration  <P>
   This file configures the "name space" of the Apache web server.  
   <TT>srm.conf</TT>
   defines when specific perl modules should be called to handle a given
   request.  This definition is a function of both the name of the perl module,
   and a specific regular expression associated with the URL, such as
   "^/res/.*\.page".
   </P>
   <P>
   Here is an example entry:
   <PRE>
   &lt;LocationMatch "^/res/.*\.page$&gt;
   SetHandler perl-script
   PerlHandler Apache::lonpage
   &lt;/LocationMatch&gt;
   </PRE>
   </P>
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/startup.pl" TARGET="etc/httpd/conf/startup.pl" CATEGORY="static conf">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/startup.pl" TARGET="etc/httpd/conf/startup.pl" CATEGORY="static conf">
 <DESCRIPTION>  <DESCRIPTION>
 set paths to modules; invoked by <TT>access.conf</TT>  This file provides initializations for perl handlers.  It adjusts what
   the module path space is (so as to include /home/httpd/lib/perl/Apache) as
   well as causing the Apache module to be used for every perl handler.
   <TT>startup.pl</TT> is invoked by <TT>access.conf</TT>.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/filetypes.tab" TARGET="home/httpd/lonTabs/filetypes.tab" CATEGORY="static conf">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/filetypes.tab" TARGET="home/httpd/lonTabs/filetypes.tab" CATEGORY="static conf">
 <DESCRIPTION>  <DESCRIPTION>
 Descriptive list of file extensions, and extension groupings  Descriptive list of file extensions, and extension groupings.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/default.assesscalc" TARGET="home/httpd/html/res/adm/includes/default.assesscalc" CATEGORY="static conf">
   <DESCRIPTION>
   Default spreadsheet for individual assessment.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/default.studentcalc" TARGET="home/httpd/html/res/adm/includes/default.studentcalc" CATEGORY="static conf">
   <DESCRIPTION>
   Default spreadsheet for assessment of students.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/default.classcalc" TARGET="home/httpd/html/res/adm/includes/default.classcalc" CATEGORY="static conf">
   <DESCRIPTION>
   Default spreadsheet for assessment of a class.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
Line 329  proxy server Line 379  proxy server
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/lond" TARGET="home/httpd/perl/lond" CATEGORY="script">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/lond" TARGET="home/httpd/perl/lond" CATEGORY="script">
 <DESCRIPTION>  <DESCRIPTION>
 remote command interpreter  This is a remote command interpreter on a TCP LON-CAPA network layer.
   It accepts and processes incoming requests from other LON-CAPA machines
   on the network.  lond's functionality is self-contained in the sense
   that it does not reference (import, require, use) any other file
   described in this document.  There are only 15 subroutines in this
   script, however the <TT>make_new_child</TT> subroutine is quite
   complex since it parses and responds about 29 different types of 
   network requests (i.e. enc, ping, pong, ekey, load, auth, passwd,
   makeuser, home, update, unsub, sub, log, put, rolesput, get, eget,
   del, keys, dump, store, restore, querysend, queryreply, idput, idget,
   tmpput, tmpget, and ls).
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
Line 414  Table which has hash data necessary for Line 474  Table which has hash data necessary for
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/essayresponse.pm" TARGET="home/httpd/lib/perl/Apache/essayresponse.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler to evaluate essay (ungraded) style responses.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/publisher/lonpubdir.pm" TARGET="home/httpd/lib/perl/Apache/lonpubdir.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler to publish directories.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/publisher/lonretrieve.pm" TARGET="home/httpd/lib/perl/Apache/lonretrieve.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler to retrieve old versions from resource space.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/edit.pm" TARGET="home/httpd/lib/perl/Apache/edit.pm" CATEGORY="handler">
   <DESCRIPTION>
   Helper functions when in homework edit mode.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/lonmeta.pm" TARGET="home/httpd/lib/perl/Apache/lonmeta.pm" CATEGORY="handler">
   <DESCRIPTION>
   Metadata display handler.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="rat/lonambiguous.pm" TARGET="home/httpd/lib/perl/Apache/lonambiguous.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler to resolve ambiguous file locations.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="rat/lonratparms.pm" TARGET="home/httpd/lib/perl/Apache/lonratparms.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler to set resource parameters inside of the RAT based on metadata.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="rat/lonsequence.pm" TARGET="home/httpd/lib/perl/Apache/lonsequence.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handler for showing sequence objects of educational resources.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/loncreatecourse.pm" TARGET="home/httpd/lib/perl/Apache/loncreatecourse.pm" CATEGORY="handler">
   <DESCRIPTION>
   Creates a new course and assigns course coordinator.
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/loncreateuser.pm" TARGET="home/httpd/lib/perl/Apache/loncreateuser.pm" CATEGORY="handler">
   <DESCRIPTION>
   Creates a new user and/or changes user privileges
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/lonchart.pm" TARGET="home/httpd/lib/perl/Apache/lonchart.pm" CATEGORY="handler">
   <DESCRIPTION>
   Produces simple LectureOnline-like student assessment performance chart
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/loncommon.pm" TARGET="home/httpd/lib/perl/Apache/loncommon.pm" CATEGORY="handler">
   <DESCRIPTION>
   Makes a table out of the previous attempts.  Inputs result_from_symbread,
   user, domain, home_server, course_id
   </DESCRIPTION>
   <STATUS>works/unverified</STATUS>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/grades.pm" TARGET="home/httpd/lib/perl/Apache/grades.pm" CATEGORY="handler">
   <DESCRIPTION>
   Handles the viewing of grades.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/imageresponse.pm" TARGET="home/httpd/lib/perl/Apache/imageresponse.pm" CATEGORY="handler">
   <DESCRIPTION>
   Coordinates the response to clicking an image.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/optionresponse.pm" TARGET="home/httpd/lib/perl/Apache/optionresponse.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/homework/optionresponse.pm" TARGET="home/httpd/lib/perl/Apache/optionresponse.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 Handles tags associated with showing a list of options.  Handles tags associated with showing a list of options.
Line 562  Builds up frame set and loads in the rig Line 719  Builds up frame set and loads in the rig
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
   <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/html/res/adm/pages/homeworkmenu.html" TARGET="home/httpd/html/res/adm/pages/homeworkmenu.html" CATEGORY="handler">
   <DESCRIPTION>
   Homework remote control.
   </DESCRIPTION>
   </METAGROUP>
   <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/html/res/adm/pages/annotator/admannotations.pm" TARGET="home/httpd/lib/perl/Apache/admannotations.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/html/res/adm/pages/annotator/admannotations.pm" TARGET="home/httpd/lib/perl/Apache/admannotations.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 This will take annotations and then plug them into a page  This will take annotations and then plug them into a page
Line 668  handles request to the CAPA homework pro Line 831  handles request to the CAPA homework pro
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/lonacc.pm" TARGET="home/httpd/lib/perl/Apache/lonacc.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/lonacc.pm" TARGET="home/httpd/lib/perl/Apache/lonacc.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 access to for a LON-CAPA user session  (This module, like loncacc.pm also authenticates with cookies.)  
   <TT>lonacc.pm</TT> coordinates access to a wide range of administrative-type
   functions (e.g. roles, logout, annotations, and bookmarks) as well
   as coordinating access to educational resources.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
Line 680  access handler for file transfers Line 846  access handler for file transfers
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/loncacc.pm" TARGET="home/httpd/lib/perl/Apache/loncacc.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/loncacc.pm" TARGET="home/httpd/lib/perl/Apache/loncacc.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 access to construction area  This module provides access to an educational resource construction area.
   This module is invoked by the URL-related pattern syntax
   <TT>LocationMatch "^/priv.*"</TT> or <TT>LocationMatch "^/\~.*"</TT>.
   Authentication of user identity
   is coordinated through cookies.  The abbreviation "cacc" corresponds
   to "construction-space access").  If the cookie handle is invalid, then
   this module returns a forbidden status and makes appropriate log entries.
   If the cookie handle is valid, status is determined to be okay (and,
   for the "priv"-type access, the resource is delivered by the
   <TT>lonconstruct</TT> module).
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>  </METAGROUP>
 <METAGROUP>  <METAGROUP>
Line 710  replication Line 885  replication
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/lonroles.pm" TARGET="home/httpd/lib/perl/Apache/lonroles.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/auth/lonroles.pm" TARGET="home/httpd/lib/perl/Apache/lonroles.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 roles picking  This perl handling module reads in the available roles available
   for a LON-CAPA user (different courses, different privileges, etc)
   and produces a form-element HTML page which allows the user to select
   which role he wishes to exercise in the LON-CAPA system.  For instance,
   a user may want to select between being a student in a thermodynamics
   physics course or a teaching assistant for an introductory calculus
   class.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>   </METGROUP> 
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/lonindexer.pm" TARGET="home/httpd/lib/perl/Apache/lonindexer.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/interface/lonindexer.pm" TARGET="home/httpd/lib/perl/Apache/lonindexer.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
Line 722  cross server filesystem browser Line 903  cross server filesystem browser
 <METAGROUP>  <METAGROUP>
 <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/lonnet/perl/lonnet.pm" TARGET="home/httpd/lib/perl/Apache/lonnet.pm" CATEGORY="handler">  <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/lonnet/perl/lonnet.pm" TARGET="home/httpd/lib/perl/Apache/lonnet.pm" CATEGORY="handler">
 <DESCRIPTION>  <DESCRIPTION>
 interface to lonc  This file is an interface to the lonc processes of the LON-CAPA network
   as well as set of elaborated functions for handling information necessary
   for navigating through a given cluster of LON-CAPA machines within a domain.
   There are over 40 specialized functions in this module which handle
   the reading and transmission of metadata, user information
   (ids, names, environments, roles, logs), file information (storage, reading,
   directories, extensions, replication, embedded styles and descriptors),
   educational resources (course descriptions, section names and numbers),
   url hashing (to assign roles on a url basis), and translating abbreviated
   symbols to and from more descriptive phrases or explanations.
 </DESCRIPTION>  </DESCRIPTION>
 </METAGROUP>   </METAGROUP> 
 <METAGROUP>  <METAGROUP>
Removed from v.1.51  
changed lines
  Added in v.1.76

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