- Find USB drive
sudo fdisk -l
USB is /dev/sda
- Unmount partition
umount /dev/sda1
- Copy image
sudo dd bs=4M status=progress if=path_to_file.iso of=/dev/sda
sudo fdisk -l
USB is /dev/sda
umount /dev/sda1
sudo dd bs=4M status=progress if=path_to_file.iso of=/dev/sda