Creating USB Stick with Ubuntu

NoOp glgxg at
Sat Dec 13 17:27:29 UTC 2014

On 12/12/2014 05:25 PM, agents at wrote:
> Although I have recently begun using Centos I now want to create a
> Ubuntu USB stick to use when traveling, doing so I have run into problems.
> The stick is a 64 Gb stick to allow for lots of persistent data on it, I
> created a couple of partitions but cannot get grub to work (I
> intentionally choose to use grub, not grub2, to gain familiarity with
> the older version).
> I followed the instructions
> at
> since it seemed to be low-level for me to learn the basics. I made a
> couple of changes: (1) I changed the disk format from FAT32 to ext2 for
> the boot partition to allow for a larger boot partition: (2) the
> initrd.gz file now seems to be called initrd.lz and I made that change.
> At the end, however, I cannot get the USB stick to boot from the two
> computers I tried it on, none of which I believe uses UEFI booting. I
> believe I need to use grub2, not grub, if I want the stick to boot on a
> computer using UEFI?
> Is it possible for someone knowledgeable to suggest what might be wrong?
> My basic assumption is that grub can be used to boot Ubuntu 14.04.1. I
> also want to do this at the low level, not use a tool to create the USB
> stick.
> Second, if there is a low-level description how to create such a stick
> this using grub2 for UEFI booting, please point me to it since I may
> eventually have to do this to allow the stick to be truly usable.
> Thank you.


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