XAMPP is free and easy to install Apache distribution containing PHP, MySQL and others. After the installation of XAMPP in Ubuntu, there is no shortcut created on the desktop. The control panel appears immediately after the installation, but once you close the panel, you will not find out anywhere to start.
In such cases, you can simply use one of the commands to start XAMPP Control Panel in Ubuntu.
For 32-bit system:
For 64-bit system:
Optionally, you can start XAMPP without control panel as well.
sudo /opt/lampp/lampp start