I have seen several different versions of this process, but none of them worked… Here is the summary, but make sure you keep track of all changes in case you need to revert.
Note: If you are using CentOS Web Panel, the update can be done from the dashboard. Read More
Using Nginx as the primary frontend webserver can increase performance regardless if you choose to keep Apache running on the system. One of Nginx’s greatest advantage is how well it serves static content. It does so much more efficiently than Apache, and with very little cost to memory or processing. So placing Nginx in front will remove that burdern off Apache, leaving it to concentrate on dynamic request or special scenarios. Read More