Nginx with Basic Authentication

• Install NGINX.

sudo apt install nginx

• Install Apache2 Utils.

sudo apt install apache2-utils

• Setup user credential into .htpasswd file.

htpasswd -c /etc/nginx/.htpasswd <user>

• Open default config file with nano.

nano /etc/nginx/sites-available/default

• Add this.

location /admin {
    try_files $uri $uri/ =404;
    auth_basic "Admin page.";
    auth_basic_user_file /etc/nginx/.htpasswd
}

• Restart NGINX server.

sudo systemctl restart nginx

All done.