$ sudo blkid
# results
/dev/mmcblk0: PTUUID="3cedfd53" PTTYPE="dos"
/dev/mmcblk0p1: SEC_TYPE="msdos" LABEL="boot" UUID="52AA-6867" TYPE="vfat" PARTUUID="3cedfd53-01"
/dev/mmcblk0p2: LABEL="rootfs" UUID="e139ce78-9841-40fe-8823-96a304a09859" TYPE="ext4" PARTUUID="3cedfd53-02"
/dev/mmcblk1: PTUUID="3cedfd53" PTTYPE="dos"
/dev/mmcblk1p1: SEC_TYPE="msdos" LABEL="boot" UUID="52AA-6867" TYPE="vfat" PARTUUID="3cedfd53-01"
/dev/mmcblk1p2: LABEL="rootfs" UUID="e139ce78-9841-40fe-8823-96a304a09859" TYPE="ext4" PARTUUID="3cedfd53-02"