// creats an uninstall exec file
sudo chmod +x /opt/lampp/uninstall
// call the exec file to uninstall ( an user interface it will appear )
sudo /opt/lampp/uninstall
sudo /opt/lampp/lampp start
cd /opt/lampp/
ls
sudo ./manager-linux-x64.run
sudo /opt/lampp/lampp start
sudo /opt/lampp/lampp stop
sudo /opt/lampp/manager-linux-x64.run
sudo -i
cd /opt/lampp
./uninstall
# open terminal
Ctrl+Alt+T
# then type below command
sudo /opt/lampp/lampp start
# open terminal
Ctrl+Alt+T
# then type below command
sudo /opt/lampp/lampp start