redesigned

#Log to your own logfile
Mage::log('My log entry', null, 'mylogfile.log');

#Log to the system logfile
Mage::log('My log entry');

#Log to the exception logfile
Mage::logException($e);

redesigned

Troubleshooting Mod_Security 2.5:
The first step is to identify which rule is blocking your users or breaking your site. To see what is happening, check your Apache Error log or your Mod_Security log. In your logs, you will see something like this:

Pattern match "(?:cd |\;|php |echo |perl |killall |python |rpm |yum |apt-get |emerge |lynx |links |mkdir |elinks |wget |lwp-(?:download|request|mirror|rget) |id|uname |cvs |svn |(?:s|r)(?:cp|sh) |net(?:stat|cat) |rexec |smbclient |t?ftp |ncftp |curl |telnet |g?cc |cp ..." at REQUEST_URI. [file "/etc/modsecurity/10_asl_rules.conf"]
[line "587"] [id "340037"] [rev "3"] [msg "Atomicorp.com - FREE UNSUPPORTED DELAYED FEED - WAF Rules: Generic command injection"] [severity "CRITICAL"]
yoursite.com 81.99.13.12 340037 [07/Jan/2011:22:43:29 --0800]
Pattern match "(?:cd |\;|php |echo |perl |killall |python |rpm |yum |apt-get |emerge |lynx |links |mkdir |elinks |wget |lwp-(?:download|request|mirror|rget) |id|uname |cvs |svn |(?:s|r)(?:cp|sh) |net(?:stat|cat) |rexec |smbclie

redesigned

mysqldump --user username --password='password' databasename | gzip -9 > ./backup_database.sql.zip

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#### IMAGE PROTECTION ####

  #protect images from hotlinking
     RewriteEngine on
     RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?domainname.com [NC]
     RewriteRule \.(jpg|jpeg|png|gif|bmp|tiff|svg)$ - [NC,F,L]

  #protect images from hotlinking send new image
     RewriteEngine on
     RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?domainname.com [NC]

redesigned

Install:
wget --no-check-certificate https://wordpress.org/latest.tar.gz
tar xvzf latest.tar.gz
cp -rf wordpress/* .
rm -r wordpress
rm latest.tar.gz

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/* Remove Link Outlines */
a, a:active, a:focus { outline: none; -moz-outline-style: none; }
:-moz-any-link:focus { outline: none; -moz-outline-style: none; }
*, *:focus, *:active { outline: none; -moz-outline-style: none; }

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After upgrading:
delete all files except config.xml from the following directory:
/app/code/core/Mage/GoogleCheckout/etc

go to www.mywebsite/downloader then reinstall the package called Lib_Varien

go to /app/design/frontend/base/default/template/checkout/onepage/ file payment.phtml
(add this id to the fieldset)
<fieldset id="checkout-payment-method-load">
        <?php echo $this->getChildHtml('methods') ?>

redesigned

/* ===================================== */
/* Add This to Wordpress's /wp-content/yourtheme/functions.php file */
define('MAGENTO_ROOT', '/Volumes/Storage/www/heartandsun/store/');
define('MAGENTO_LOADER', MAGENTO_ROOT.'app/Mage.php');
if (!class_exists('Mage')) {
  require_once(MAGENTO_LOADER);
	umask(0);
	Mage::app("default");
};
/* ===================================== */

redesigned

SELECT * FROM core_config_data WHERE path LIKE "carriers/matrixrate%";
-- If you are happy that the result set is that which you want to delete (should be around 15 rows) do following:
DELETE FROM core_config_data WHERE path LIKE "carriers/matrixrate%";

redesigned

<!-- Note: Whenever possible keep the name favicon and put in the web root as browsers look there by default even without the link tags. -->
<!-- Note: Only types png, gif, and ico support animation. -->
<!-- Favicon - Alternate Icon Types (Mixed Browser Support in order from least to most supported.) -->
<link rel="icon" href="/favicon.bmp" type="image/bmp" />
<link rel="icon" href="/favicon.jpg" type="image/jpeg" />
<link rel="icon" href="/favicon.gif" type="image/gif" />
<link rel="icon" href="/favicon.png" type="image/png" />
<!-- Favicon - IE 5 -->
<link rel="address bar icon" href="/favicon.ico">
<!-- Favicon - IE 6 -->