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183 lines
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183 lines
10 KiB
HTML
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<title>Moodle Docs: Frequently Asked Questions (FAQ)</title>
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<h2>Frequently Asked Questions (FAQ)</h2>
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<p class="normaltext">This page contains answers to some of the most
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frequently asked questions by people installing Moodle. If you have
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followed the <a href="http://moodle.org/doc/?file=install.html">installation instructions</a> but
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you still have a problem, then this page is probably the best place to be. </p>
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<p class="normaltext">If you don't find your answer here try the <a href="http://moodle.org/mod/forum/index.php?id=5">Using
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Moodle</a> course on moodle.org. Start by searching the forums using a few keywords
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(one at a time), in case your problem has already been discussed. If you don't find
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anything, then try posting your question into the appropriate forum - somebody will
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usually be be able to help you.</p>
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<p class="normaltext">Use this list to jump to the appropriate answer below:</p>
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<p class="questionlink"><a href="#filenotfound">Whenever I try to access or view a file that I uploaded, I get an error "File not Found"</a></p>
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<p class="questionlink"><a href="#php">PHP - is it installed and what version do I have?</a></p>
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<p class="questionlink"><a href="#blankpages">Why are all my pages blank?</a></p>
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<p class="questionlink"><a href="#errorgetstring">My pages show fatal errors such as : call to undefined function: get_string()</a></p>
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<p class="questionlink"><a href="#headerssent">Why do I keep getting error messages about "headers already sent"?</a></p>
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<p class="questionlink"><a href="#failedopen">I keep getting this error: Failed opening required '/web/moodle/lib/setup.php'</a></p>
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<p class="questionlink"><a href="#quotes">Any text I add with an apostrophe (') or a quote (") causes errors or comes up with a slash added</a></p>
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<p class="questionlink"><a href="#sessiontmp">I keep getting error messages about session_start</a></p>
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<p class="questionlink"> </p>
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<h3 class="question"><a name="filenotfound"></a>Whenever I try to access or view
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a file that I uploaded, I get an error "File not Found"</h3>
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<p class="answer">For example: Not Found: The requested URL /moodle/file.php/2/myfile.jpg
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was not found on this server. </p>
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<p class="answer">Your web server needs to be configured to allow the part of
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the URL after a script name to be passed directly to the script. This is usually
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enabled in Apache 1, but is usually disabled by default in Apache 2. To turn
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it on, add this line to your httpd.conf, or to a .htaccess file in your local
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directory (see the <a href="./?file=install.html#webserver">Install documentation</a>
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for more details): </p>
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<p class="answercode"><b>AcceptPathInfo</b> on</p>
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<p class="answer">Note, this will ONLY work for Apache versions 2.x. </p>
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<p class="answer">If you are not using Apache 2 and you still have this problem
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(unlikely) then you can switch Moodle to use an alternative method. The disadvantages
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are a slight loss of performance for your users and you won't be able to use
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relative links within HTML resources. </p>
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<p class="answer">To use this alternative method: login as Admin, go into the
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"Configure Variables" page and change the setting for "<b>slasharguments</b>".
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You should now be able to access your uploaded files.</p>
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<p class="answer"> </p>
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<h4 class="question"><a name="php"></a>PHP - is it installed and what version
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do I have?</h4>
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<p class="answer">Make a new file on your web site called info.php, containing the following
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text, and call it from your browser:</p>
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<p class="answercode"><?PHP phpinfo() ?></p>
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<p class="answer">If nothing happens then you don't have PHP installed. See the
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installation docs for some information about where to download it for your computer.</p>
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<p class="answer"> </p>
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<h4 class="question"><a name="blankpages"></a>Why are all my pages blank? </h4>
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<p class="answer">Check the dirroot variable in config.php. You must use complete,
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absolute pathnames, eg:</p>
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<p class="answercode"> $CFG->dirroot = "d:\inetpub\sites\www.yoursite.com\web\moodle";</p>
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<p> </p>
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<h4 class="question"><a name="errorgetstring"></a>My pages show fatal errors such
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as : call to undefined function: get_string()</h4>
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<p class="answer">If you see errors like:</p>
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<p class="answercode">Parse error: parse error, unexpected T_VARIABLE in c:\program
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files\easyphp\www\moodle\config.php on line 94 <br>
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Fatal error: Call to undefined function: get_string() in c:\program files\easyphp\www\moodle\mod\resource\lib.php
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on line 11</p>
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<p class="answer">then it's likely you have left out a semi-colon or ending quote
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from a line in config.php (previous to line 94).</p>
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<p class="answer">Another reason could be that you have opened config.php in a
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program like Word to edit it, and saved it as a HTML web page, instead of a
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proper text file.</p>
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<p> </p>
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<h4 class="question"><a name="headerssent"></a>Why do I keep getting error messages
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about "headers already sent"?</h4>
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<p class="answer">If you see errors like this:</p>
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<p class="answercode">Warning: Cannot add header information - headers already
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sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/lib/moodlelib.php
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on line 1322 </p>
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<p class="answercode"> Warning: Cannot add header information - headers already
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sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/lib/moodlelib.php
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on line 1323 </p>
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<p class="answercode"> Warning: Cannot add header information - headers already
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sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/login/index.php
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on line 54 </p>
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<p class="answer">You have blank lines or spaces after the final ?> in your config.php
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file. Sometimes text editors add these - for example Notepad on Windows - so
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you may have to try a different text editor to remove these spaces or blank
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lines completely. </p>
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<p class="answer"> </p>
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<h4 class="question"><a name="failedopen"></a>I keep getting this error: Failed
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opening required '/web/moodle/lib/setup.php'</h4>
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<p class="answer">In your config.php, the setting that you use for the dirroot
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variable must be the <strong>complete path from the root of your server's hard
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drive</strong>.</p>
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<p class="answer">Sometimes people only use the path from their home directory,
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or relative to the root of the web server directory.</p>
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<p class="answer"> </p>
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<h4 class="question"><a name="quotes" id="quotes"></a>Any text I add with an apostrophe
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(') or a quote (") causes errors or comes up with a slash added</h4>
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<p class="answer">Problems caused by apostrophes are caused by incorrect "magic
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quotes" settings. Moodle requires the following settings (which are usually
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the default):</p>
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<p class="answercode">magic_quotes_gpc = On<br>
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magic_quotes_runtime = Off</p>
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<p class="answer">See the section on <a href="http://moodle.org/doc/?file=install.html#webserver">webserver
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configuration</a> in the Installation docs for more details.</p>
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<h4 class="question"><a name="sessiontmp"></a>I keep getting error messages about session_start</h4>
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<p class="answer">If you see errors like this:</p>
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<p class="answercode">Warning: session_start() [function.session-start]: open(/tmp\sess_d40f380d37d431fc1516e9a895ad9ce0, O_RDWR) failed: No such file or directory (2) in G:\web\moodle\lib\setup.php on line 123</p>
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<p class="answercode">Warning: session_start() [function.session-start]: open(/tmp\sess_d40f380d37d431fc1516e9a895ad9ce0, O_RDWR) failed: No such file or directory (2) in G:\web\moodle\lib\setup.php on line 123</p>
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<p class="answercode">Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at G:\web\moodle\lib\setup.php:1) in G:\web\moodle\lib\setup.php on line 123</p>
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<p class="answer">... these are all related to the fact that PHP is failing to save
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"session" files on your hard disk (in a directory called /tmp). Usually the
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reason is that you don't HAVE a directory called /tmp on your computer. This
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is usually the case with Windows installations.
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<p class="answer">The solution is to fix the PHP setting for this path to point to a real directory. You can do this in your php.ini file:</p>
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<p class="answercode">session.save_path = C:\temp</p>
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<p class="answer">or otherwise in a .htaccess file in your main moodle directory:</p>
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<p class="answercode">php_value session.save_path "/home/moodle/sessions"</p>
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<h2> </h2>
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<h2> </h2>
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<hr>
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<p align="center" class="normaltext"><a href='mailto:ma%72%74in@%6d%6fo%64%6c%65.o%72g' title='martin@moodle.org'>Suggest
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a new FAQ</a> (include the answer!)</p>
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<hr>
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<p align="right"><strong><em>Thanks to John Eyre for helping to maintain this
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FAQ.</em></strong></p>
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<p align="CENTER"><font size="1"><a href="." target="_top">Moodle Documentation</a></font></p>
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<p align="CENTER"><font size="1">Version: $Id: faq.html,v 1.6 2003/03/30 13:54:28
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moodler Exp $</font></p>
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</body>
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