https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-centos-7

/etc/nginx/nginx.conf

      server {
        listen 80 default_server;
        listen [::]:80 default_server ipv6only=on;
        root /usr/share/nginx/html;
        index index.php index.html index.htm;
        server_name localhost;
        location / {
            # First attempt to serve request as file, then
            # as directory, then fall back to displaying a 404.
            try_files $uri $uri/ =404;
            # Uncomment to enable naxsi on this location
            # include /etc/nginx/naxsi.rules
        }
        error_page 404 /404.html;
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root /usr/share/nginx/html;
        }
        location ~ \.php$ {
            try_files $uri =404;
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
        }
      }

info.php

<?php phpinfo(); ?>

sudo yum -y install nginx php-fpm php-mysql mariadb-server mariadb
sudo sed -i -e "s/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/" /etc/php.ini
sudo sed -i -e "s|listen = 127.0.0.1:9000|listen = /var/run/php-fpm/php-fpm.sock|" /etc/php-fpm.d/www.conf
sudo systemctl start nginx.service
sudo systemctl enable nginx.service
sudo systemctl start mariadb.service
sudo systemctl enable mariadb.service
sudo systemctl start php-fpm.service
sudo systemctl enable php-fpm.service