Today I got 10 emails from my web hosting, all about High Memory Usage Messages. My hosting is 2 cores, 4 GB memories, online on Magento 2.3,6 based glasses shop for https://www.optical4u.com. I am using Centos 7, Nginx. I forgot the position of the swap memory location, we can use one of the following method… Continue reading How to Add Swap Memory in Centos 7?