In many forums and wikis the recommended way of changing the uuid of a fat partition involves dd and a hex editor.
However the easy way is to use
mtools. Let's suppose we want to change the UUID of a fat partition on
As a first step we have a look at the UUIDs of the different file systems:
/dev/sda1: SEC_TYPE="msdos" LABEL="boot" UUID="4059-33BB" TYPE="vfat"