Creating USB Stick with Ubuntu

[NoOp]

On 12/12/2014 05:25 PM, agents at meddatainc.com 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 https://rudd-o.com/linux-and-free-software/a-better-way-to-create-a-customized-ubuntu-live-usb-drive
> 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.
> 
> 

<https://wiki.ubuntu.com/LiveUsbPendrivePersistent>
<https://help.ubuntu.com/community/Installation/FromUSBStick>
<https://help.ubuntu.com/community/UEFI>