Magento Commerce

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SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Trace:
#0 /opt/bakery/lib/Varien/Db/Adapter/Pdo/Mysql.php(91): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /opt/bakery/lib/Zend/Db/Adapter/Abstract.php(390): Varien_Db_Adapter_Pdo_Mysql->_connect()
#2 /opt/bakery/lib/Zend/Db/Adapter/Pdo/Abstract.php(206): Zend_Db_Adapter_Abstract->query('SET NAMES utf8', Array)
#3 /opt/bakery/app/code/core/Mage/Core/Model/Resource/Type/Db/Pdo/Mysql.php(39): Zend_Db_Adapter_Pdo_Abstract->query('SET NAMES utf8')
#4 /opt/bakery/app/code/core/Mage/Core/Model/Resource.php(77): Mage_Core_Model_Resource_Type_Db_Pdo_Mysql->getConnection(Object(Mage_Core_Model_Config_Element))
#5 /opt/bakery/app/code/core/Mage/Core/Model/Resource/Setup.php(54): Mage_Core_Model_Resource->getConnection('core_setup')
#6 /opt/bakery/app/code/core/Mage/Core/Model/Resource/Setup.php(110): Mage_Core_Model_Resource_Setup->__construct('core_setup')
#7 /opt/bakery/app/code/core/Mage/Core/Model/Config.php(195): Mage_Core_Model_Resource_Setup::applyAllUpdates()
#8 /opt/bakery/app/code/core/Mage/Core/Model/App.php(208): Mage_Core_Model_Config->init(Array)
#9 /opt/bakery/app/Mage.php(404): Mage_Core_Model_App->init('', 'store', Array)
#10 /opt/bakery/app/Mage.php(423): Mage::app('', 'store', Array)
#11 /opt/bakery/index.php(40): Mage::run()
#12 {main}