Install Nginx on Debian 12

Step 1 – Update packages

apt update && apt upgrade -y

Step 2 – Install Nginx

apt install -y nginx

Step 3 – Enable and start

systemctl enable --now nginx

Step 4 – Firewall

ufw allow 'Nginx Full'
ufw reload

Step 5 – Verify

nginx -v
curl -I http://localhost

Config: /etc/nginx/nginx.conf, vhosts in /etc/nginx/sites-available/.