Nginx + FastCGI

Hi

1-I need to add HTTP/2 in ngnix config file but I faced with error :


Also I tried any code but the resault was the same… and I don’t know what should I to fix that.

2-I found this tutorial for updating PHP
https://www.virtualmin.com/multiplephp/
Is it fine to use that? and how remove older version like php 7.4?
If its true , how active the OPCache for php or other module?

3-I need to use ngnix with FastCGI for better performance , Would you please give me a lid or tell me how to achieve that?

With this link I could install Ngnix from beginning of virtualmin installation Lets start making new installation guide for any requirements and there is no more appache to remove , but still want to update the panel option like Ngnix latest version and changing MariaDB with Mysql.

4-I will use this server to run wordpress sites (would be 4 or 5 site with 1domain and 4 subdomains)

Thanks