Magento official website provides user guides, eBooks, and articles that give a wealth of information and tips to run both your eCommerce business and the features and functionality of Magen
Network security consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network
Nginx is an open source Web server and a reverse proxy server, usually used for serving static pages and files to improve your website performance and availability.
Redmine is a free and open source, web-based project management and bug-tracking tool. It includes a calendar and Gantt charts to aid visual representation of projects and their deadlines.
If your website is using a cache system this article may interest you.
If your website does not have a cache system, you should install one right this instant.