how to start apache server in xampp in ubuntu code example

Example 1: how to start xampp in ubuntu

sudo /opt/lampp/lampp start
cd /opt/lampp/
ls
sudo ./manager-linux-x64.run

Example 2: apache server not starting in xampp ubuntu

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

Example 3: how to start xampp in ubuntu

sudo /opt/lampp/lampp start