How To Set Up Nginx Server Blocks (Virtual Hosts) on Ubuntu

sudo apt-get update
sudo apt-get install nginx
sudo mkdir -p /var/www/example.com/html

sudo chown -R $USER:$USER /var/www/example.com/html

sudo chmod -R 755 /var/www

sudo cp /etc/nginx/sites-available/default /etc/nginx/sites-available/example.com

sudo nano /etc/nginx/sites-available/example.com

server {
    listen 80 default_server;
    listen [::]:80 default_server ipv6only=on;

    root /usr/share/nginx/html;
    index index.html index.htm;

    server_name localhost;

    location / {
        try_files $uri $uri/ =404;
    }
}

sudo ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/
sudo rm /etc/nginx/sites-enabled/default

sudo service nginx restart

https://www.digitalocean.com/community/tutorials/how-to-set-up-nginx-server-blocks-virtual-hosts-on-ubuntu-14-04-lts