Standard NGINX Configuration

For NGINX the base and main configuration file is /etc/nginx/nginx.conf as it contains all the main and mandatory configs.
Let us add an include statement to pull our customized configs.
We can see the ngin.conf file has an include directive in the http section which will tell the main config to pull the configs from.
By default it will pull the configs from /etc/nginx/conf.d directory.
We'll add an additional include directive to pull our configs from /etc/nginx/vhost.conf in which we are going to have our custom configs. Here we'll remove the server directive and have that in our custom config file.

# cp -prv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.`date +"%Y%m%d"`
# vi /etc/nginx/nginx.conf

include /etc/nginx/vhost.d/*.conf;

If we are hosting multiple websites then we can have our SITE_NAME.d directory in place of vhost.d. This will help us in hosting multiple websites to avoid confusion.
Now let us create a directory named vhost.d and prepare our custom config.

# cd /etc/nginx
# mkdir vhost.d
# cp -prv conf.d/default.conf vhost.d/

If you are unable to find the default.conf file in conf.d directory then you can copy default.conf
Comment the include directive which points to load the default configs from the /etc/nginx/default.d
Change the document root to /var/www/html from /usr/share/nginx/html in the location section.
Create the document root and create and index file.

# mkdir /var/www/html
# echo -e "WELCOME TO LINUX-LIBRARY NGINX WEBSERVER\nThis site is under development" > /var/www/html/index.html

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