If you want to transfer music mp3 files to and from iPod Ubuntu. You need to install gtkpod.
Before installation, make sure you have your Universe repository enabled.
Below are the steps to install gtkpod
1. Open your Terminal
2. Install the gtkpod package by running the following command in your Terminal window:
sudo apt-get install gtkpod
3. To run gtkpod, choose Applications → Sound & Video → gtkpod.