#!/bin/bash if [ $(id -u) -ne 0 ] ; then echo "❌ Run me as root" exit 1 fi mkdir /var/www/html/{app1.example.com,app2.example.com} echo "hello" > /var/www/html/app1.example.com/index.html echo "hello" > /var/www/html/app2.example.com/index.html