[Bug 1429030] Re: netboot mini.iso doesn't support UEFI boot

[Cslycord]

>The netboot installer is not the same thing as the mini.iso. The download
>page refers to "Network installer". Nowhere does it reference the mini.iso,
>which is clearly not being booted over the network.

If this is true, then the documentation is confusing.

The "network installer" links take you to a netboot page and from there
you choose which architechure you're using. The mini.iso file resides
inside this netboot subdirectory.

So, it's not surprising that someone might think that "network
installer" and "netboot" are the same.

To make it clear about this:
1) Go to https://ubuntu.com/download/alternative-downloads
2) Click on of the "Download the network installer for (x)" links
3) This will then take you the netboot page. Ex: 19.04 link -> http://cdimage.ubuntu.com/netboot/19.04/
4) Now, you click on the architechure you want. I'll show for amd64

You'll see a listing of files like:
[ICO]	Name	Last modified	Size
[PARENTDIR]	Parent Directory	 	-
[   ]	boot.img.gz	2019-04-16 08:24	55M
[   ]	ldlinux.c32	2019-04-16 08:24	113K
[   ]	mini.iso	2019-04-16 08:24	68M
[   ]	netboot.tar.gz	2019-04-16 08:24	55M
[   ]	pxelinux.0	2019-04-16 08:24	41K
[DIR]	pxelinux.cfg/	2019-04-16 08:24	-
[DIR]	ubuntu-installer/	2019-04-16 08:24	-
[DIR]	xen/	2019-04-16 08:24	-

So, again network installer -> netboot -> netboot-ARCH-subdir ->
mini.iso

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https://bugs.launchpad.net/bugs/1429030

Title:
  netboot mini.iso doesn't support UEFI boot

Status in debian-installer package in Ubuntu:
  Triaged

Bug description:
  The amd64 mini.iso (in at least trusty through current vivid) has an
  EFI boot partition, but it's empty. This renders the image unbootable
  on systems without BIOS boot enabled.

  This is easily worked around by copying {boot,grub}x64.efi from eg. a
  desktop image into the empty partition.

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