Magento
System Requirements
System Requirements for 1.9.3.1:
- PHP 5.6
- PHP Memory Limit: 256MB or higher
- MySQL 5.6
- Required PHP Extensions:
- PHP_MySQL
- simplexml
- mcrypt
- has
- GD
- DOM
- iconv
- curl
- SOAP
File Permissions (500 Errors)
If you get an Internal Server Error 500, the most likely cause is bad file permissions. Set the permissions as follows:
Directories: 755
Files: 644
Maintenance Mode
If the site says it is in maintenance mode:
Delete the file: .maintenanceFlag from the Magento root directory
Upgrading
To upgrade Magento from the Connect Manager: