Extract the FTPt Setup tar file inside you will find the FTPt tar and installer.sh with a installer license file run the installer.sh once executed it will show the message as shown above and guide you through the installation process of FTPt.
License agreement
Accept license terms to install the app
This is my license GNU-GPL-v3.0 read and accept it by typing yes.
You should type the destination path where you have enough space and privileges one given the installer will confirm the path by adding a folder on the given path for example if the path is "/home/Linux/apps/" then the path will become "/home/Linux/apps/FTPt/" this path will shown for confirmation once confirmed the app will install.
The app is installed
The app is installed
That's it !. You have installed the app now you can run the app from your activities center in ubuntu or desktop in any other distros from the FTPt icon and begin the real fun.
A word of advice
When you will open the app it will ask of the sudo password it is because the FTP server cannot run on the Linux without sudo and so it will ask for password.