Magento

check requirements

http://www.magentocommerce.com/knowledge-base/entry/how-do-i-know-if-my-server-is-compatible-with-magento/

Debugging

mv /errors/local.xml.sample errors/local.xml

Change base URL

http://blog.chandanweb.com/magento/how-to-change-base-url-in-magento

To change the base website URL in magento manually edit this table: core_config_data. Change all reference to web/unsecure/host and web/secure/host

Cache

liegt unter /.../var/cache/

blank admin page

• http://asia-connect.com.vn/2009/04/after-installing-magento-cant-log-in-to-admin-panel/

1. app/code/core/Mage/Core/Model/Session/Abstract/Varien.php

I worked all the solutions provided for this error I would suggest if none of the codes works for u than try this one it worked for me.. None of the above..

In fact, in version 1.4.0.1 you can comment only the line #100 ( call_user_func_array(’session_set_cookie_params’, $cookieParams); ) and it will work

Performance Tuning

Übersicht / Checkliste

   PHP
       APC (Bytecode-Cache) oder Memcached (Memory Object Caching)
   MySQL
       Query Caching aktivieren
       Per tuning-primer.sh Shellscript prüfen und optimieren
   Apache
       MPM-Prefork Tuning
       KeepAlive aktivieren, HostNameLookups deaktivieren
       mod_deflate
       mod_expires
       .htaccess Einträge in vhost Konfiguration
   Dateisystem (Linux)
       tmpfs (Ramdisk)
   Magento
       Sessions in der Datenbank speichern
       Zusammenfassung der Javascript und CSS-Dateien durch die Extension Fooman Speedster
       Image Sprites verwenden
       Magento Cache aktivieren
       Content Delivery Network für statische Dateien und Produktbilder

cleanup.php

• http://www.magentocommerce.com/wiki/groups/227/maintenance_script

#Aufraeumen
30 1    * * *   root   curl -s -o /dev/null http://www.test.de/cleanup.php?clean=var 
35 1    * * *   root   curl -s -o /dev/null http://www.test.de/cleanup.php?clean=log

    <?php
    $xml = simplexml_load_file('./app/etc/local.xml', NULL, LIBXML_NOCDATA);
     
    $db['host'] = $xml->global->resources->default_setup->connection->host;
    $db['name'] = $xml->global->resources->default_setup->connection->dbname;
    $db['user'] = $xml->global->resources->default_setup->connection->username;
    $db['pass'] = $xml->global->resources->default_setup->connection->password;
    $db['pref'] = $xml->global->resources->db->table_prefix;
     
    if($_GET['clean'] == 'log') clean_log_tables();
    if($_GET['clean'] == 'var') clean_var_directory();
     
    function clean_log_tables() {
        global $db;
       
        $tables = array(
            'dataflow_batch_export',
            'dataflow_batch_import',
            'log_customer',
            'log_quote',
            'log_summary',
            'log_summary_type',
            'log_url',
            'log_url_info',
            'log_visitor',
            'log_visitor_info',
            'log_visitor_online',
            'report_event'
        );
       
        mysql_connect($db['host'], $db['user'], $db['pass']) or die(mysql_error());
        mysql_select_db($db['name']) or die(mysql_error());
       
        foreach($tables as $v => $k) {
            mysql_query('TRUNCATE `'.$db['pref'].$k.'`') or die(mysql_error());
        }
    }
     
    function clean_var_directory() {
        $dirs = array(
            'downloader/pearlib/cache/*',
            'downloader/pearlib/download/*',
            'var/cache/',
            'var/log/',
            'var/report/',
            'var/session/',
            'var/tmp/'
        );
       
        foreach($dirs as $v => $k) {
            exec('rm -rf '.$k);
        }
    }
    ?>