kali@kali:~$ sudo apt install -y kpartx xz-utils gdisk uboot-mkimage u-boot-tools vboot-kernel-utils vboot-utils cgpt
kali@kali:~$ mkdir -p ~/arm-stuff/images/
kali@kali:~$ cd ~/arm-stuff/images/
kali@kali:~$ dd if=/dev/zero of=kali-custom-chrome.img conv=fsync bs=4M count=7000