apache web server is not starting in xampp on mac code example

Example 1: apache server not starting in xampp ubuntu

sudo /etc/init.d/apache2 stop   
sudo /opt/lampp/lampp start

Example 2: mysql server not starting in xampp in mac

sudo rm -rf ~/.bitnami  // type this command in your terminal.
//THIS WILL SOLVE THIS PROBLEM BUT WILL DELETE ALL YOUR DATABASES