moodle/lang/el/docs/faq.html

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<title>Moodle Docs: Frequently Asked Questions (FAQ)</title>
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<h2>Ðñüóöáôåò ÅñùôÞóåéò (FAQ)</h2>
<p class="normaltext">ÁõôÞ ç óåëßäá ðåñéÝ÷åé áðáíôÞóåéò óå ìåñéêÝò áðü ôéò ðéï
óõ÷íÝò åñùôÞóåéò áíèñþðùí ðïõ åãêáèéóôïýí ôï Moodle. Áí Ý÷åéò áêïëïõèÞóåé ôéò
<a href="./?file=install.html">ïäçãßåò åãêáôÜóôáóçò</a> áëëÜ åîáêïëïõèåßò íá
Ý÷åéò ðñüâëçìá, ôüôå áõôÞ ç óåëßäá èá óå âïçèÞóåé ðïëý. </p>
<p class="normaltext">Áí äåí âñåéò ôçí áðÜíôçóÞ óïõ åäþ ðñïóðÜèçóå óôï ìÜèçìá
<a href="http://moodle.org/mod/forum/index.php?id=5" target="_top">×ñçóéìïðïéþíôáò
ôï Moodle</a> óôï moodle.org. Îåêßíá øÜ÷íïíôáò óôá forums ÷ñçóéìïðïéþíôáò êÜðïéåò
ëÝîåéò êëåéäéÜ, óå ðåñßðôùóç ðïõ ôï ðñüâëçìÜ óïõ Ý÷åé Þäç óõæçôçèåß. Áí äå âñßóêåéò
ôßðïôá, ôüôå ðñïóðÜèçóå íá õðïâÜëëåéò ôçí åñþôçóÞ óïõ óôï êáôÜëëçëï forum -
êÜðïéïò èá ìðïñÝóåé íá óå âïçèÞóåé.</p>
<p class="normaltext">Áí Ý÷åéò äïêéìÜóåé êÜðïéåò ëýóåéò ÷ùñßò íá ôá Ý÷åéò êáôáöÝñåé,
êáé Ý÷åéò firewall, èá Þôáí åíäåäåéãìÝíï íá ðñïóðáèÞóåéò íá îáíáäéáìïñöþóåéò
ôï firewall óïõ ãéá íá äéáóöáëßóåéò üôé äå èá ìðëïêÜñåé ìéá áðáéôïýìåíç ëåéôïõñãßá
Þ ìéá óçìáíôéêÞ åðéêïéíùíßá. Ôá Firewalls ðïëý óðÜíéá äçìéïõñãïýí ðñüâëçìá ìå
ôï Moodle áëëÜ åßíáé óõ÷íÜ õðåýèõíá ãéá ôç ìåéùìÝíç ëåéôïõñãéêüôçôá åîáéôßáò
ëáèåìÝíùí ñõèìßóåùí firewall.
<p class="normaltext">×ñçóéìïðïßçóå áõôÞ ôç ëßóôá ãéá íá ìåôáâåßò óôçí êáôÜëëçëç
áðÜíôçóç ðáñáêÜôù:</p>
<p class="questionlink"><a href="#filenotfound">¼ðïôå ðñïóðáèþ íá ìðù Þ íá äù
Ýíá áñ÷åßï ôï ïðïßï öüñôùóá, ëáìâÜíù ôï ìÞíõìá &quot;Ôï áñ÷åßï äåí âñÝèçêå&quot;</a></p>
<p class="questionlink"><a href="#php">PHP - åßíáé åãêáôåóôçìÝíï êáé ðïéÜ Ýêäïóç
Ý÷ù;</a></p>
<p class="questionlink"><a href="#blankpages">Ãéáôß åßíáé üëåò ìïõ ïé óåëßäåò
êåíÝò;</a></p>
<p class="questionlink"><a href="#errorgetstring">Ïé óåëßäåò ìïõ åìöáíßæïõí óïâáñÜ
ëÜèç üðùò: ìç ðñïóäéïñéóìÝíç ëåéôïõñãßá: get_string()</a></p>
<p class="questionlink"><a href="#headerssent">Ãéáôß åîáêïëïõèþ íá ëáìâÜíù ìçíýìáôá
ëÜèïõò ãéá &quot;êåöáëßäåò ðïõ Ý÷ïõí Þäç óôáëåß&quot;;</a></p>
<p class="questionlink"><a href="#failedopen">Åîáêïëïõèþ íá ëáìâÜíù áõôü ôï ëÜèïò:
ÁðÝôõ÷å íá áíïßîåé ôï '/web/moodle/lib/setup.php'</a></p>
<p class="questionlink"><a href="#quotes">¼ôé êåßìåíï êáé íá ðñïóèÝóù ìå ìéá áðüóôñïöï
(') Þ åéóáãùãéêÜ (&quot;) ðñïêáëåß ðñïâëÞìáôá Þ åìöáíßæåôáé ìå ôçí ðñïóèÞêç
ìéáò êáèÝôïõ.</a></p>
<p class="questionlink"><a href="#sessiontmp">Åîáêïëïõèþ íá ëáìâÜíù ìçíýìáôá ëÜèïõò
ó÷åôéêÜ ìå ôï session_start.</a></p>
<p class="questionlink"><a href="#fixdirroot">¼ôáí ðçãáßíù óôç óåëßäá äéá÷åéñéóôÞ,
êáëïýìáé íá êÜíù ôï dirroot êåíü!</a></p>
<p class="questionlink"><a href="#loginsetting">ÓõíäÝïìáé áëëÜ ôï êïõìðß óýíäåóçò
äåí áëëÜæåé. Åßìáé óõíäåäåìÝíïò êáé ìðïñþ íá ðëïçãïýìáé åëåýèåñá.</a></p>
<p class="questionlink"><a href="#resource1">¼ôáí ðñïóðáèþ íá ðñïóèÝóù êÜôé ëáìâÜíù
ìçíýìáôá ëÜèïõò.</a></p>
<p class="questionlink"><a href="#noadmin">ÊáôÜ ôç äéÜñêåéá ôçò áñ÷éêÞò åãêáôÜóôáóçò
, ðïôÝ äå ìïõ æçôåßôáé íá äçìéïõñãÞóù Ýíáí ëïãáñéáóìü äéá÷åéñéóôÞ!</a></p>
<p class="questionlink"><a href="#nologin">Äå ìðïñþ íá óõíäåèþ êáèüëïõ - áðëþò
ìÝíù êïëëçìÝíïò óôçí ïèüíç óýíäåóçò.</a></p>
<p class="questionlink"><a href="#backup">Ðþò ìðïñþ íá êÜíù backup óôï site ôïõ
Moodle;</a></p>
<p class="questionlink"><a href="#locale">Ãéáôß ôï </a><a href="#backup">site
ôïõ </a><a href="#locale">Moodle äåí ìïõ åìöáíßæåé óùóôÜ þñá & çìåñïìçíßá;</a></p>
<p class="questionlink"><a href="#cron">Áíôßãñáöá ôùí email äåí óôÝëíïíôáé áðü
ôá forum ìïõ.</a></p>
<p class="questionlink">&nbsp;</p>
<h3 class="question"><a name="filenotfound"></a>¼ðïôå ðñïóðáèþ íá ìðù Þ íá äù
Ýíá áñ÷åßï ôï ïðïßï öüñôùóá, ëáìâÜíù ôï ìÞíõìá &quot;Ôï áñ÷åßï äåí âñÝèçêå&quot;</h3>
<p class="answer">Ãéá ðáñÜäåéãìá: Äåí ÂñÝèçêå: Ôï áðáéôïýìåíï URL /moodle/file.php/2/myfile.jpg
äåí âñÝèçêå ó' áõôüí ôïí server. </p>
<p class="answer">Ï web server óïõ ÷ñåéÜæåôáé äéáìüñöùóç ãéá íá åðéôñÝøåé ôï ìÝñïò
ôïõ URL ìåôÜ áðü ôï üíïìá åíüò script ãéá íá ðåñÜóåé êáôåõèåßáí ó' áõôü. Áõôü
óõíÞèùò åßíáé åíåñãü óôïí Apache 1, áëëÜ åßíáé ðñïêáèïñéóìÝíá áíåíåñãü óôïí
Apache 2. Ãéá íá ôï åíåñãïðïéÞóåéò, ðñüóèåóå áõôÞ ôç ãñáììÞ óôï httpd.conf,
Þ óôï áñ÷åßï a .htaccess óôïí ôïðéêü óïõ êáôÜëïãï (äåò óôï <a href="./?file=install.html#webserver">Ïäçãßåò
ÅãêáôÜóôáóçò</a> ãéá ðåñéóóüôåñåò ëåðôïìÝñåéåò): </p>
<p class="answercode"><b>AcceptPathInfo</b> on</p>
<p class="answer">Óçìåßùóå, áõôü èá äïõëÝøåé ÌÏÍÏ ãéá ôéò åêäüóåéò Apache 2.x.
</p>
<p class="answer">Áí äåí ÷ñçóéìïðïéåßò Apache 2 êáé óõíå÷ßóåéò íá Ý÷åéò áõôü ôï
ðñüâëçìá (áðßèáíï) ôüôå ìðïñåßò íá ìåôáôñÝøåéò ôï Moodle íá ÷ñçóéìïðïéåß ìéá
åíáëëáêôéêÞ ìÝèïäï. Ôá ìåéïíåêôÞìáôá åßíáé ìéá ìéêñÞ áðþëåéá áðüäïóçò ãéá ôïõò
÷ñÞóôåò óïõ êáé ç áäõíáìßá ÷ñÞóçò ôùí ó÷åôéêþí links ìÝóá óôï HTML êþäéêá. </p>
<p class="answer">Ãéá íá ÷ñçóéìïðïéÞóåéò áõôÞ ôçí åíáëëáêôéêÞ ìÝèïäï: óõíäÝóïõ
óáí Admin, ìðåò óôçí óåëßäá "Äéáìüñöùóç Ìåôáâëçôþí" êáé Üëëáîå ôç ñýèìéóç óå
"<b>slasharguments</b>". Ôþñá èá ðñÝðåé íá ìðïñåßò íá Ý÷åéò ðñüóâáóç óôá öïñôùìÝíá
áñ÷åßá óïõ.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="php"></a>PHP - åßíáé åãêáôåóôçìÝíï êáé ðïéÜ Ýêäïóç
Ý÷ù;</h4>
<p class="answer">Äçìéïýñãçóå Ýíá íÝï áñ÷åßï óôï web site óïõ ìå üíïìá info.php,
ðïõ íá ðåñéÝ÷åé ôï ðáñáêÜôù êåßìåíï êáé øÜîå ôï áðü ôïí browser:</p>
<p class="answercode">&lt;?PHP phpinfo() ?&gt;</p>
<p class="answer">Áí äåí óõìâáßíåé ôßðïôá ôüôå äåí Ý÷åéò åãêáôáóôÞóåé ôï PHP.
Äåò ôéò ïäçãßåò åãêáôÜóôáóçò ãéá ìåñéêÝò ðëçñïöïñßåò ó÷åôéêÜ ìå ôï ðïõ íá ôá
öïñôþóåéò óôïí õðïëïãéóôÞ óïõ.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="blankpages"></a>Ãéáôß åßíáé üëåò ìïõ ïé óåëßäåò
êåíÝò; </h4>
<p class="answer">¸ëåãîå ôç ìåôáâëçôÞ dirroot óôï config.php. ÐñÝðåé íá ÷ñçóéìïðïéåßò
ïëïêëçñùìÝíá, áêñéâÞ ïíüìáôá äéáäñïìþí, ð.÷.:</p>
<p class="answercode"> $CFG->dirroot = "d:\inetpub\sites\www.yoursite.com\web\moodle";</p>
<p>&nbsp; </p>
<p class="answer">Äåßôå Redhat Linux platform: <a href="http://moodle.org/doc/?file=installamp.html">Redhat
Linux</a></p>
<p>&nbsp; </p>
<h4 class="question"><a name="errorgetstring"></a>Ïé óåëßäåò ìïõ åìöáíßæïõí óïâáñÜ
ëÜèç üðùò: ìç ðñïóäéïñéóìÝíç ëåéôïõñãßá: get_string()</h4>
<p class="answer">Áí äåéò ëÜèç üðùò:</p>
<p class="answercode">Parse error: parse error, unexpected T_VARIABLE in c:\program
files\easyphp\www\moodle\config.php on line 94 <br>
Fatal error: Call to undefined function: get_string() in c:\program files\easyphp\www\moodle\mod\resource\lib.php
on line 11</p>
<p class="answer">ôüôå åßíáé ðéèáíü íá Ý÷åéò ðáñáëåßøåé Ýíá ; Þ Ýíá åéóáãùãéêü
áðü ìéá ãñáììÞ óôï config.php (ðñïçãïõìÝíùò óôç ãñáììÞ 94).</p>
<p class="answer">¶ëëïò Ýíáò ëüãïò ìðïñåß íá åßíáé üôé Ý÷åéò áíïßîåé ôï config.php
óå Ýíá ðñüãñáììá üðùò ôï Word ãéá íá ôï åðåîåñãáóôåßò êáé ôï Ýóùóåò óáí ìéá
óåëßäá HTML áíôß ãéá Ýíá áíÜëïãï áñ÷åßï êåéìÝíïõ.</p>
<p>&nbsp;</p>
<h4 class="question"><a name="headerssent"></a>Ãéáôß åîáêïëïõèþ íá ëáìâÜíù ìçíýìáôá
ëÜèïõò ãéá &quot;êåöáëßäåò ðïõ Ý÷ïõí Þäç óôáëåß&quot;;</h4>
<p class="answer">Áí äåéò ëÜèç óáí áõôÜ:</p>
<p class="answercode">Warning: Cannot add header information - headers already
sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/lib/moodlelib.php
on line 1322 </p>
<p class="answercode"> Warning: Cannot add header information - headers already
sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/lib/moodlelib.php
on line 1323 </p>
<p class="answercode"> Warning: Cannot add header information - headers already
sent by (output started at /webs/moodle/config.php:87) in /webs/moodle/login/index.php
on line 54 </p>
<p class="answer">¸÷åéò êåíÝò ãñáììÝò Þ äéáóôÞìáôá ìåôÜ ôï ôåëéêü ?> óôï áñ÷åßï
óïõ config.php. ÌåñéêÝò öïñÝò ïé åðåîåñãáóôÝò êåéìÝíùí ôá ðñïóèÝôïõí áõôÜ -
üðùò ãéá ðáñÜäåéãìá ôï ÓçìåéùìáôÜñéï ôùí Windows - þóôå áí èåò íá äïêéìÜóåéò
Ýíáí äéáöïñåôéêü åðåîåñãáóôÞ êåéìÝíïõ ãéá íá äéáãñÜøåéò áõôÜ ôá äéáóôÞìáôá Þ
ôéò êåíÝò ãñáììÝò ïëïêëçñùôéêÜ.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="failedopen"></a>Åîáêïëïõèþ íá ëáìâÜíù áõôü ôï ëÜèïò:
ÁðÝôõ÷å íá áíïßîåé ôï '/web/moodle/lib/setup.php'</h4>
<p class="answer">Óôï config.php, ç ñýèìéóç ðïõ ÷ñçóéìïðïéåßò ãéá ôç ìåôáâëçôÞ
dirroot ðñÝðåé íá åßíáé <strong>ìéá ïëïêëçñùìÝíç äéáäñïìÞ áðü ôïí óêëçñü äßóêï
ôïõ server óïõ</strong>.</p>
<p class="answer">ÌåñéêÝò öïñÝò ïé Üíèñùðïé ÷ñçóéìïðïéïýí ìüíï ôç äéáäñïìÞ áðü
ôïí äéêü ôïõò êáôÜëïãï Þ êÜðïéá ó÷åôéêÞ ôïõ êáôáëüãïõ ôïõ web server.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="quotes" id="quotes"></a>¼ôé êåßìåíï êáé íá ðñïóèÝóù
ìå ìéá áðüóôñïöï (') Þ åéóáãùãéêÜ (&quot;) ðñïêáëåß ðñïâëÞìáôá Þ åìöáíßæåôáé
ìå ôçí ðñïóèÞêç ìéáò êáèÝôïõ</h4>
<p class="answer">Ôá ðñïâëÞìáôá ðïõ äçìéïõñãïýí ïé áðüóôñïöïé ðñïêáëïýíôáé áðü
ëÜèïò ñõèìßóåéò ôùí &quot;magic quotes&quot;. Ôï Moodle áðáéôåß ôéò ðáñáêÜôù
ñõèìßóåéò (ðïõ åßíáé óõíÞèùò ðñïåðéëåãìÝíåò):</p>
<p class="answercode">magic_quotes_gpc = On<br>
magic_quotes_runtime = Off</p>
<p class="answer">Äåò ôï êåöÜëáéï <a href="./?file=install.html#webserver">äéáìüñöùóç
webserver</a> óôï åã÷åéñßäéï ÅãêáôÜóôáóçò ãéá ðåñéóóüôåñåò ëåðôïìÝñåéåò.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="sessiontmp"></a>Åîáêïëïõèþ íá ëáìâÜíù ìçíýìáôá ëÜèïõò
ó÷åôéêÜ ìå ôï session_start</h4>
<p class="answer">Áí âëÝðåéò ëÜèç óáí áõôÜ:</p>
<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>
<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>
<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>
<p class="answer">... üëá áõôÜ óõíäÝïíôáé ìå ôï ãåãïíüò üôé ôï PHP áðïôõã÷Üíåé
íá óþóåé ôá áñ÷åßá "session" óôï óêëçñü äßóêï (óå Ýíáí êáôÜëïãï ìå ôï üíïìá
/tmp). ÓõíÞèùò ï ëüãïò åßíáé üôé äåí ÕÐÁÑ×ÅÉ êáôÜëïãïò ìå áõôü ôï üíïìá óôïí
õðïëïãéóôÞ óïõ. Áõôü åßíáé óõíÞèùò ôï ðñüâëçìá ìå ôçí åãêáôÜóôáóç ôùí Windows.
<p class="answer">Ç ëýóç åßíáé íá äéïñèþóåéò ôç ñýèìéóç ôïõ PHP ãéá íá ðçãáßíåé
óå Ýíáí ðñáãìáôéêü êáôÜëïãï. Ìðïñåßò íá ôï êÜíåéò áõôü óôï php.ini áñ÷åßï:</p>
<p class="answercode">session.save_path = C:\temp</p>
<p class="answer">Þ áëëéþò óôï áñ÷åßï .htaccess óôïí êõñßùò êáôÜëïãï ôïõ moodle:</p>
<p class="answercode">php_value session.save_path "/home/moodle/sessions"</p>
<p class="answercode">&nbsp;</p>
<h4 class="question"><a name="fixdirroot"></a>¼ôáí ðçãáßíù óôç óåëßäá äéá÷åéñéóôÞ,
êáëïýìáé íá êÜíù ôï dirroot êåíü!</h4>
<p class="answer">Áí äåéò ëÜèç óáí áõôÜ óôï Moodle 1.0.9:</p>
<table class=generalbox cellspacing=0 cellpadding=5 align=center border=0>
<tbody>
<tr>
<td bgcolor=#ffbbbb>Please fix your settings in config.php:
<p>You have:
<p>$CFG-&gt;dirroot = "/home/users/fred/public_html/moodle";
<p>but it should be:
<p>$CFG-&gt;dirroot = "";</p></td></tr></tbody></table>
<p class="answer">ôüôå áíôéìåôùðßæåéò Ýíá ìéêñü ðñüâëçìá ðïõ óõìâáßíåé óå ìåñéêïýò
servers. Ôï ðñüâëçìá åßíáé ìå ôï ìç÷áíéóìü åëÝã÷ïõ ëáèþí, ü÷é ìå ôçí ðñáãìáôéêÞ
äéáäñïìÞ. Ãéá íá ôï äéïñèþóåéò áõôü, âñåò áõôÞ ôç ãñáììÞ (ãñáììÞ 66) óôï áñ÷åßï
admin/index.php: </p>
<p class="answercode">if ($dirroot != $CFG->dirroot) {</p>
<p class="answer">êáé ÜëëáîÝ ôï óå:</p>
<p class="answercode">if (!empty($dirroot) and $dirroot != $CFG->dirroot) {</p>
<p class="answercode">&nbsp;</p>
<h4 class="question"><a name="loginsetting"></a>ÓõíäÝïìáé áëëÜ äåí öáßíåôáé íá
åßìáé óõíäåäåìÝíïò. Ìðïñþ íá ðëïçãïýìáé åëåýèåñá.</h4>
<p class="answer">Âåâáéþóïõ üôé ôï URL óôçí ðáñÜìåôñï $CFG->wwwroot åßíáé áêñéâþò
ôï ßäéï üðùò áõôü ðïõ ÷ñçóéìïðïéåßò ãéá ôçí ðñüóâáóç ó' áõôü ôï site.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="resource1"></a>¼ôáí ðñïóðáèþ íá ðñïóèÝóù êÜôé ëáìâÜíù
ìçíýìáôá ëÜèïõò.</h4>
<p class="answer">Áí õðïèÝóïõìå üôé ÷ñçóéìïðïéåßò Apache, ôüôå åßíáé ðïëý ðéèáíü
ç ðáñÜìåôñïò config.php for $CFG->wwwroot íá åßíáé äéáöïñåôéêÞ áðü ôï URL ðïõ
÷ñçóéìïðïéåßò ãéá ôçí ðñüóâáóç ó' áõôü ôï site. Áêüìá ðñïóðÜèçóå íá áðåíåñãïðïéÞóåéò
ôï "<b>secureforms</b>" óôéò ðáñáìÝôñïõò ôïõ äéá÷åéñéóôÞ.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="noadmin"></a>ÊáôÜ ôç äéÜñêåéá ôçò áñ÷éêÞò åãêáôÜóôáóçò,
ðïôÝ äå ìïõ æçôåßôáé íá äçìéïõñãÞóù Ýíáí ëïãáñéáóìü äéá÷åéñéóôÞ!</h4>
<p class="answer">Áõôü åßíáé Ýíá ãíùóôü ðñüâëçìá óôéò åêäüóåéò ôïõ Moodle ìåôÜ
ôï 1.0.9, ðïõ ôþñá Ý÷åé äéïñèùèåß óôïí êýñéï êþäéêá êáé óôçí Ýêäïóç 1.1.</p>
<p class="answer">Äåí åðçñåÜæåé üëïõò ôïõò áíèñþðïõò, óõìâáßíåé ìüíï üôáí ôï Üôïìï
ðïõ åãêáèéóôÜ ôï Moodle Ý÷åé Ýíá cookie óôïí browser áðü êÜðïéï Üëëï ðñüãñáììá
óôï ßäéï site, ìå ôï üíïìá "÷ñÞóôçò", "äéá÷åéñéóôÞò", Þ "êáèçãçôÞò".</p>
<p class="answer">Ìéá ãñÞãïñç äéüñèùóç ðåñéëáìâÜíåé ôç äéáãñáöÞ áõôþí ôùí cookies
áðü ôïí browser ðñéí ôçí åãêáôÜóôáóç, ÷ñçóéìïðïéþíôáò Ýíáí äéáöïñåôéêü browser,
Þ åðåîåñãÜæïíôáò ôï áñ÷åßï moodle/admin/user.php ãéá íá åéóÜãåéò áõôÝò ôéò ãñáììÝò
êïíôÜ óôçí êïñõöÞ:</p>
<p class="answercode">unset($user);<br />unset($admin);<br />unset($teacher);</p>
<p class="answer">Áöïý êÜíåôå áõôÝò ôéò áëëáãÝò ìéá êáëÞ éäÝá åßíáé íá äéáãñÜøåôå
üëïõò ôïõò ðßíáêåò óôç âÜóç äåäïìÝíùí êáé íá ôï åðáíåãêáôáóôÞóåôå.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="nologin"></a>Äåí ìðïñþ íá óõíäåèþ - áðëþò ìÝíù êïëëçìÝíïò
óôçí ïèüíç óýíäåóçò.</h4>
<p class="answer">Ç ðéï óõíçèéóìÝíç áéôßá ãé' áõôü åßíáé üôé ï äéêüò óïõ õðïëïãéóôÞò
(ü÷é ï server ôïõ Moodle) Ý÷åé Ýíá firewall ðïõ áöáéñåß ðëçñïöïñßåò áðü ôïí
browser.</p>
<p class="answer">Áõôü ìðïñåß íá äéïñèùèåß ãéá ïðïéïíäÞðïôå ÷ñçóéìïðïéåß ôïí server
åðåîåñãÜæïíôáò ôç óåëßäá äéáìüñöùóçò ôïõ Moodle êáé áëëÜæïíôáò ôç ìåôáâëçôÞ
"<b>secureforms</b>" óå "¼÷é".</p>
<p class="answer">Ìéá áêüìá ðéèáíÞ áéôßá áõôïý ôïõ ðñïâëÞìáôïò åßíáé üôé ôá êåöÜëáéá
äåí óõíôïíßæïíôáé óôïí server. Ìðïñåßò íá ôï ôåóôÜñåéò áõôü ïíïìÜæïíôáò ôï script
http://yourserver/moodle/lib/session-test.php.</p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="backup"></a>Ðþò ìðïñþ íá êÜíù backup óôï site ôïõ
Moodle;</h4>
<p class="answer">ÐñÝðåé íá Ý÷åéò áíôßãñáöá äýï âáóéêþí ðñáãìÜôùí: ôçò âÜóçò äåäïìÝíùí
êáé ôùí öïñôùìÝíùí áñ÷åßùí. Ôá Moodle scripts äåí åßíáé ôüóï óçìáíôéêÜ, åöüóïí
ìðïñåßò ðÜíôá íá öïñôþóåéò Ýíá êáéíïýñéï áñ÷åßï.</p>
<p class="answer">ÕðÜñ÷ïõí ðïëëïß ôñüðïé ãéá íá êÜíåéò ôÝôïéá backups. Åäþ åßíáé
Ýíá äéÜãñáììá åíüò ìéêñïý script ðïõ ìðïñåßò íá ôñÝîåéò óôï Unix ãéá íá Ý÷åéò
backup ôçò âÜóçò äåäïìÝíùí (åßíáé êáëü íá Ý÷åéò Ýíá ôÝôïéï script íá ôñÝ÷åé
êáèçìåñéíÜ ìÝóù åíüò cron task)</p>
<p class="answercode">cd /my/backup/directory</p>
<p class="answercode">mv moodle-database.sql.gz moodle-database-old.sql.gz</p>
<p class="answercode">mysqldump -h example.com -u myusername --password=mypassword -C -Q -e -a mydatabasename > moodle-database.sql</p>
<p class="answercode">gzip moodle-database.sql</p>
<p class="answer">Ãéá ôá áñ÷åßá, ìðïñåßò íá ÷ñçóéìïðïéåßò rsync ôáêôéêÜ ãéá íá
áíôéãñÜøåéò ìüíï ôá áëëáãìÝíá áñ÷åßá óå Ýíáí Üëëï host:</p>
<p class="answercode">rsync -auvtz --delete -e ssh mysshusername@example.com:/my/server/directory
/my/backup/directory/</p>
<p class="answercode">&nbsp;</p>
<h4 class="question"><a name="locale"></a>Ãéáôß ôï site ôïõ Moodle äåí ìïõ åìöáíßæåé
óùóôÜ þñá & çìåñïìçíßá;</h4>
<p class="answer">ÊÜèå ãëþóóá áðáéôåß Ýíáí óõãêåêñéìÝíï êþäéêá (ðïõ ïíïìÜæåôáé
<strong>locale</strong> êþäéêáò) ãéá íá ìðïñïýí ïé çìåñïìçíßåò íá åìöáíßæïíôáé
óùóôÜ. Ôá ãëùóóéêÜ ðáêÝôá ðåñéÝ÷ïõí ðñïåðéëåãìÝíïõò êþäéêåò, áëëÜ ìåñéêÝò öïñÝò
áõôïß äåí äïõëåýïõí óôïõò servers ôùí Windows. </p>
<p class="answer">Ìðïñåßò íá âñåéò ôïõò óùóôïýò locale êþäéêåò ãéá ôá Windows
ó' áõôÝò ôéò äýï óåëßäåò: <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt_language_strings.asp" target="_blank">Êùäéêïß
ãëþóóáò</a> êáé <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt_country_strings.asp" target="_blank">Êùäéêïß
×þñáò/ðåñéï÷Þò</a>.(ð.÷. &quot;esp_esp&quot; ãéá éóðáíéêÜ)</p>
<p class="answer">Áõôïß ïé íÝïé locale êþäéêåò ìðïñïýí íá åéóá÷èïýí áðü ôç óåëßäá
Admin -&gt; Configure -&gt; Variables, üðïõ áíôéêáèéóôïýí áõôïýò óôï Þäç åðéëåãìÝíï
ãëùóóéêü ðáêÝôï. </p>
<p class="answer">&nbsp;</p>
<h4 class="question"><a name="cron"></a>Áíôßãñáöá ôùí email ìïõ äåí óôÝëíïíôáé
áðü ôá forums ìïõ.</h4>
<p class="answer"><strong>ÐñÝðåé </strong> íá ñõèìßóåéò ôï cron óùóôÜ áí èåò ôï
Moodle íá óôÝëíåé áõôüìáôá email áðü forums, çìåñÞóéåò äñáóôçñéüôçôåò, áíáèÝóåéò
åñãáóéþí ê.ëð. ÁõôÞ ç ßäéá äéáäéêáóßá ðñáãìáôïðïéåß Ýíáí áñéèìü åêêáèáñéóôéêþí
åñãáóéþí üðùò äéáãñáöÞ ðáëéþí áíåðéâåâáßùôùí ÷ñçóôþí, äéáãñáöÞ ðáëéþí ìáèçôþí
ê.ëð.</p>
<p class="answer">ÂáóéêÜ, ÷ñåéÜæåôáé ìéá äéáäéêáóßá ãéá ôï script http://yoursite/admin/cron.php.
Äåßôå <a href="./?file=install.html#cron">ôï êåöÜëáéï cron óôï åã÷åéñßäéï ÅãêáôÜóôáóçò</a>.</p>
<h2>&nbsp;</h2>
<h2>&nbsp;</h2>
<hr>
<p align="center" class="normaltext"><a href='ma&#105&#108t&#111:ma%72%74in@%6d%6fo%64%6c%65.o%72g' title='mar&#116&#105n@&#109oo&#100&#108&#101&#46&#111&#114g'>Suggest
a new FAQ</a> (include the answer!)</p>
<hr>
<p align="right"><strong><em>Thanks to John Eyre for helping to maintain this
FAQ.</em></strong></p>
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