problem making a linux iso out of a usb flash drive linux live

mia_tech · 01-30-2014, 07:25 PM

I'm installing a multi-usb live linux distro, and making an image of it with mkisofs to boot it into my virtualbox app, but so far it gives me boot error.

mkisofs -T -r -o usbdisk.iso pathToDirectory/

is the image wrong or could it be the usb creating that is wrong?

Thanks

MensaWater · 01-31-2014, 02:40 PM

Are you saying you already have a bootable USB and want to copy it to a .iso file? If so you don't need mkisofs - you just do a dd of it:

dd if=<usbdev> of=/<path>/<usbname>.iso

You can mount the .iso file with the loopback option:

mount -o loop /<path>/<usbname>.iso /<mountpath>

jefro · 01-31-2014, 03:59 PM

dd to some image file would be creating a raw file. So you might be able to use qemu-img to convert it to a standard virtual disk.

https://forums.virtualbox.org/viewto...p?f=2&p=163047 for clues how to use other tools.

You can try to attach a live cd this subject usb to a virtualbox booted from live cd. The use dd to the virtual hard drive.

Some problems exist such as boot loader. Grub should work. Some versions of sysliux may work.