Nexcess Knowledge Base

Cross-origin request blocked (CORS) errors have many possible causes. This article applies to the “Cross-Origin Request Blocked error” that is sometimes the result of a Magento multi-store making use of a CDN.

How to flush the Magento 1.x and Magento 2 cache with either the Magento admin interface or SSH.

Various methods of hardening your Magento store’s security, though many of these apply to any content management system (CMS).

Learn how to issue a reindex to optimize performance in Magento 1 from the admin panel or command line, which requires SSH access and some familiarity with the command line interface (CLI).

Learn how to improve Magento 1 maintenance mode by modifying the index.php file to allow access to a range of IP addresses. Add code to your index.php file to allow you to work on your site.

Learn how to configure Magmi in a way that functions with our security policy at Nexcess.

Learn how to install Magento Community Edition v1.8 and later. For Nexcess clients, this is not the preferred method. We instead recommend choosing an auto-install option when selecting your service.

How to enable and interpret Magento 1’s profiler feature to assist with development.

How Nexcess clients can conserve and free disk space in their Magento server environment.

How to disable caching in Magento 1 for development purposes.