§ tags: linuxusbvirtualbox

configure

add to /etc/initramfs-tools/modules in your virtual machine:

usbcore
sd_mod
ehci_hcd
uhci_hcd
ohci_hcd
usb_storage
scsi_mod

update initrd:

sudo update-initramfs -u

burn to usb

VBoxManage clonehd --format RAW you-virtualbox-linux-disc.vdi linux.img
sudo dd bs=4M if=linux.img of=/dev/sdX

where /dev/sdX is your flash drive (do not write in partition /dev/sdX1)

thats all, boot from usb =)