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|  |  | 
|  | <manualpage metafile="index.xml.meta"> | 
|  | <parentdocument href="../"/> | 
|  |  | 
|  | <title>How-To / Tutorials</title> | 
|  |  | 
|  | <section id="howto"> | 
|  |  | 
|  | <title>How-To / Tutorials</title> | 
|  |  | 
|  | <dl> | 
|  | <dt>Authentication</dt> | 
|  | <dd> | 
|  | <p>Authentication is any process by which you verify that | 
|  | someone is who they claim they are. Authorization is any | 
|  | process by which someone is allowed to be where they want to | 
|  | go, or to have information that they want to have.</p> | 
|  |  | 
|  | <p>See: <a href="auth.html">Authentication, Authorization, and Access Control</a></p> | 
|  | </dd> | 
|  | </dl> | 
|  |  | 
|  | <dl> | 
|  | <dt>Dynamic Content with CGI</dt> | 
|  | <dd> | 
|  | <p>The CGI (Common Gateway Interface) defines a way for a web | 
|  | server to interact with external content-generating programs, | 
|  | which are often referred to as CGI programs or CGI scripts. It | 
|  | is the simplest, and most common, way to put dynamic content on | 
|  | your web site. This document will be an introduction to setting | 
|  | up CGI on your Apache web server, and getting started writing | 
|  | CGI programs.</p> | 
|  |  | 
|  | <p>See: <a href="cgi.html">CGI: Dynamic Content</a></p> | 
|  | </dd> | 
|  | </dl> | 
|  |  | 
|  | <dl> | 
|  | <dt><code>.htaccess</code> files</dt> | 
|  | <dd> | 
|  | <p><code>.htaccess</code> files provide a way to make configuration | 
|  | changes on a per-directory basis. A file, containing one or more | 
|  | configuration directives, is placed in a particular document directory, | 
|  | and the directives apply to that directory, and all subdirectories thereof.</p> | 
|  |  | 
|  | <p>See: <a href="htaccess.html"><code>.htaccess</code> files</a></p> | 
|  | </dd> | 
|  | </dl> | 
|  |  | 
|  | <dl> | 
|  | <dt>Introduction to Server Side Includes</dt> | 
|  | <dd> | 
|  | <p>SSI (Server Side Includes) are directives that are placed in | 
|  | HTML pages, and evaluated on the server while the pages are | 
|  | being served. They let you add dynamically generated content to | 
|  | an existing HTML page, without having to serve the entire page | 
|  | via a CGI program, or other dynamic technology.</p> | 
|  |  | 
|  | <p>See: <a href="ssi.html">Server Side Includes (SSI)</a></p> | 
|  | </dd> | 
|  | </dl> | 
|  |  | 
|  | <dl> | 
|  | <dt>Per-user web directories</dt> | 
|  | <dd> | 
|  | <p>On systems with multiple users, each user can be permitted to have a | 
|  | web site in their home directory using the <directive | 
|  | module="mod_userdir">UserDir</directive> directive. Visitors | 
|  | to a URL <code>http://example.com/~username/</code> will get content | 
|  | out of the home directory of the user "<code>username</code>", out of | 
|  | the subdirectory specified by the <directive | 
|  | module="mod_userdir">UserDir</directive> directive.</p> | 
|  |  | 
|  | <p>See: <a href="public_html.html" | 
|  | >User web directories (<code>public_html</code>)</a></p> | 
|  | </dd> | 
|  | </dl> | 
|  |  | 
|  | </section> | 
|  |  | 
|  | </manualpage> | 
|  |  | 
|  |  |