sudo apt update
sudo apt install nginx

sudo mkdir -p /var/www/example1.com/html
sudo mkdir -p /var/www/example2.com/html

sudo chown -R $USER:$USER /var/www/example1.com/html
sudo chown -R $USER:$USER /var/www/example2.com/html

echo "Hello from example1.com" > /var/www/example1.com/html/index.html
echo "Hello from example2.com" > /var/www/example2.com/html/index.html

sudo nano /etc/nginx/sites-available/example1.com
server { listen 80; server_name example1.com www.example1.com; location / { root /var/www/example1.com/html; index index.html; }}
server { listen 80; server_name example2.com www.example2.com; location / { root /var/www/example2.com/html; index index.html; }}

sudo ln -s /etc/nginx/sites-available/example1.com /etc/nginx/sites-enabled/
sudo ln -s /etc/nginx/sites-available/example2.com /etc/nginx/sites-enabled/

sudo nginx -t
sudo systemctl restart nginx