Magento is an e-commerce platform built on open source technology that provides online merchants with a flexible shopping cart system, as well as control over the look, content, and functionality of their online store. Magento offers powerful marketing, search engine optimization, and catalog-management tools. 

For installation steps, click on the link 

https://wiki.crowncloud.net/?How_to_Install_Magento_with_LAMP_Stack_on_Ubuntu_21_10