How to install Ubuntu Server on a USB 3.0 stick and boot that stick

This instruction describes how to install Ubuntu Server (in my case 11.04) onto a USB 3.0 stick and make it boot from that stick.

What you will need:

1. A working Linux system
2. gparted – Gnome Partition Editor
3. unetbootin – the universal netboot installer
4. The Ubuntu Server ISO image
5. A USB 2.0 stick with at least 800 MB free space
6. A USB 3.0 stick to install the system onto