[GTALUG] Making a UEFI capable debian USB net-install

[Michael Galea]

On 2019-07-08 11:17 a.m., Lennart Sorensen wrote:
> On Fri, Jul 05, 2019 at 07:17:22PM -0400, Michael Galea via talk wrote:
>> Just completed an install of debian on a Lenovo T480 running windows, for
>> dual boot.
>> The install was made more complex by the fact that the T480 doesn't have a
>> CD, and that the laptop booted win10 in UEFI with secure boot.
>>
>> I was very surprised by the differing consensus of how to generate a UEFI
>> bootable net-install. A simple dd of the image to the usb stick did NOT
>> result in a UEFI bootable image. What did work, was formatting the usb stick
>> vfat, and extracting the install iso onto it.
>>
>> I found this to be a clumsy workaround. Does anybody have a better method?
>>
>> Also, the literature was rife with warnings of Window's tendency to blow
>> away the the linux bootloader (although some claims were made that this is
>> less likely under UEFI). Does anyone have any experience with this, and what
>> what is a likely recovery procedure for it?
> 
> dd of the debian install image has always made a bootable USB key for me,
> both on legacy BIOS and UEFI systems.  Of course that is dd to the disk,
> not a partition on the disk.
> 
> I have not had windows 10 ever break my linux boot loader.  I don't
> remember if windows 7 ever did it either because that is so long ago.
> Before that it was a common problem for sure.
> 

Thanks, I tried a plain dd first, but the Lenevo bios refused to 
recognize it as UEFI capable. Oh well..

As an aside, I noticed last night that Buster now supports secure boot, 
so I am off to try that on the T480.

-- 
Michael Galea