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The primary answer didn't work for me until I did something from followed of this example which states:

I believe that you want to add a GUI xampp control panel. To add a
GUI xampp control panel see below.

Just press Ctrl+Alt+T on your
keyboard to open Terminal. When it opens, run the command(s) below:

sudo gedit ~/.local/share/applications/xampp-control-panel.desktop

When the text editor opens simply paste the following, close and save.

[Desktop Entry]

Comment=Start and Stop XAMPP

Name=XAMPP Control Panel

Exec=sudo -i python /opt/lampp/share/xampp-control-panel/xampp-control-panel.py

Icon=/usr/share/icons/Humanity/devices/24/network-wired.svg

Encoding=UTF-8

Terminal=false

Name=XAMPP Control Panel

Comment=Start and Stop XAMPP

Type=Application

Icon=/usr/share/icons/Humanity/devices/24/network-wired.svg

If you have a problem with executing the program, install gksu, and
in the forth line, replace sudo -i with gksudo. Below is how to

install gksu if not installed, since it has been removed from 13.04.

sudo apt-get install gksu

Look for xampp control panel in dash

I am using Ubuntu 14.04 and Xampp 5.6.3.Then I was able to use what the primary answerer posted. This is the code quote from Kyusuf Muhammad:

You can use the command below if you use 32 system :

sudo /opt/lampp/manager-linux.run

if you use 64 system:

sudo /opt/lampp/manager-linux-x64.run

You can use the command below

if you use 32 system :

sudo /opt/lampp/manager-linux.run

if you use 64 system :

sudo /opt/lampp/manager-linux-x64.run

Two important notes to the advice given by @HelpNeeder: there should be a quote around the code the executable, and the image for the default icon for Xampp icon is accessible as /opt/lampp/htdocs/dashboard/images/xampp-logo.svg. Copy it into folder /usr/share/icons/Humanity/devices/24/

Thus, the final advice is to open a new terminal, run

sudo gedit ~/.local/share/applications/xampp-control-panel.desktop

and save the following in the file:

[Desktop Entry]

Comment=Start and Stop XAMPP

Name=XAMPP Control Panel

Exec=gksudo /opt/lampp/manager-linux-x64.run

Icon="/usr/share/icons/Humanity/devices/24/xampp-logo.svg"

Encoding=UTF-8

Terminal=false

Name=XAMPP Control Panel

Comment=Start and Stop XAMPP

Type=Application

This works for me:

gedit ~/.local/share/applications/xampp-control-panel.desktop

[Desktop Entry]

Name=XAMPP Control Panel

Comment=Start and Stop XAMPP

Type=Application

Categories=Development

Exec=gksudo /opt/lampp/manager-linux-x64.run

Icon=/opt/lampp/htdocs/favicon.ico

You have to install the package gksu.

The fastest way to spit out the GUI is to use the following codes. One after the other.

cd /opt/lampp

sudo ./manager-linux.run (or manager-linux-x64.run)

Snapshot of the terminal

I think what you are asking ,is to create a shortcut to launch the graphical interface. If you so , than I've found the solution :
1)Go to /opt/lampp and open terminal and type sudo chmod 777 manager-linux-x64.run (for 64-bit) or sudo chmod 777 manager-linux.run(For 32 bit).

2)Now go to desktop and create a file named xampp.desktop and paste the following :

[Desktop Entry]

Comment=Start and Stop XAMPP

Name=XAMPP Control Panel

Exec=sudo /opt/lampp/manager-linux-x64.run

Icon=/opt/lampp/htdocs/favicon.ico

Encoding=UTF-8

Terminal=true

Name=XAMPP Control Panel

Comment=Start and Stop XAMPP

Type=Application

After that save it and double click on the icon. A pop-up may show up ,in there click on Make It Trusted and then run it again. A terminal will open asking for user password. Give it and it will open the Graphical Interface. It worked fine for my Ubuntu and Linux Mint...