Usb Install

Hello, i know that there are several other threads with this topic, but i wasnt able to find the rigth one.
So could someone explain me how to install volumio to an usb stick? I alreade changed the cmdline settings to imgpart=/dev/sda2 but then in doesnt boot.

Every Help is appreciated.
Thanks and Bye

Don’t know exactly what you want to do but, you just have to download the image and flash it on your usb key, using a software such as or or whatever you want and boot with it. No need to change cmd line…

Sorry, I gave to less Information. I want to install volumio on a USB stick for the raspberry pi.