Install XAMPP for Linux in Ubuntu 14.04 LTS

download XAMPP for Linux 5.6.11 x64 and copy file download to home folder

install in terminal 

sudo chmod +x xampp-linux-x64-5.6.11-0-installer.run
sudo ./xampp-linux-x64-5.6.11-0-installer.run

And click “Next” until Finish

start the XAMPP service

sudo /opt/lampp/lampp start

or

open Xampp control panel GUI in Ubuntu, open the terminal and paste the following code

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

paste the following code to the text editor and save it

[Desktop Entry]
Comment=Start and Stop XAMPP
Name=XAMPP Control Panel
Exec=gksudo python /opt/lampp/share/xampp-control-panel/xampp-control-panel.py
Icon[en_CA]=/usr/share/icons/Humanity/devices/24/network-wired.svg
Encoding=UTF-8
Terminal=false
Name[en_CA]=XAMPP Control Panel
Comment[en_CA]=Start and Stop XAMPP
Type=Application
Icon=/usr/share/icons/Humanity/devices/24/network-wired.svg

 You can access the xampp control planel in Application "XAMPP Control Panel" and start XAMPP

paste the following code to the text editor and enter

sudo su

chmod 775 /opt/lampp/htdocs

Open localhost in web browser