In this tutorial, I’m going to talk you through running Raspbian from a USB connected drive instead of from an SD card. If you run Raspbian from a USB Flash drive, you will enjoy performance boosts, speed and reliability improvements just to name a few benefits.
By default your raspberry pi pi comes with an account ‘pi‘ with the password ‘raspberry‘. For security reasons it’s probably a good idea to change the password, but you may also wish to change the username as well. There are a couple of different ways to change the default username but I found the following method the easiest.