Nginx is a high-performance web server built for concurrency, powering content delivery, reverse proxying, and load balancing at scale. This guide goes beyond a basic install: it configures a virtual host for your domain and secures it with a free Let's Encrypt SSL certificate. By the end, you'll have Nginx serving your domain over HTTPS with automatic certificate renewal in place. Install Nginx Nginx is available in Ubuntu 26.04's default APT repository. 1. Update the APT package index: $ sudo apt update Enter fullscreen mode Exit fullscreen mode 2. Install Nginx: $ sudo apt install nginx -y Enter fullscreen mode Exit fullscreen mode 3. Verify the installed version: $ nginx -version Enter fullscreen mode Exit fullscreen mode Configure Nginx as a System Service Enable Nginx to start automatically when the server boots. 1. Enable and start the service: $ sudo systemctl enable nginx $ sudo systemctl start nginx Enter fullscreen mode Exit fullscreen mode 2.…