Ubuntu installer and UEFI

[Volker Wysk]

Am Montag, den 27.01.2020, 18:27 +0100 schrieb Liam Proven:
> On Mon, 27 Jan 2020 at 18:13, Volker Wysk <post at volker-wysk.de>
> wrote:
> > 
> > Hi
> > 
> > The Ubuntu 18.04.3 installer seems to not support UEFI. It creates
> > no
> > EFI System Partition (ESP), and doesn't make a protective MBR. It
> > looks
> > like it supports MBR only. I've just used the default, "format hard
> > disk and install ubuntu".
> > 
> > This can't be, can it? Or is it because Ubuntu 18.04 is too old?
> > 
> > How to tell the installer to make an UEFI system?
> 
> It depends on the machine. UEFI is unfortunately not well-
> standardised
> yet. The PC industry thinks it is, because it only tests using
> Windows.

I've already found out how to do it: Boot the installation USB-stick in
UEFI-mode. There should be a corresponding entry in the boot menu. Then
the installer makes it UEFI. (See thread "Installer makes broken GPT
partition table").

> Ubuntu _supports_ UEFI fine, but depending on the PC you're using,
> and
> its motherboard and/or firmware, and/or the version of that firmware,
> you _may_ have to do the manual work necessary yourself.

It turned out, I don't have to.


> This includes:
> • creating a UEFI system partition to hold the system variables
> • creating a GRUB BIOS-boot partition
> • installing a UEFI shim correctly into the UEFI system partition
> ... and maybe more depending on system config.

The installer does that.

> (...)
>
> Secondly, I have previously advised you *not* to use disk
> technologies
> such as volume groups and encryption, but you have refused this
> advice. As such, I can't help.

I do want to have full system encryption. And this entails LVM, when
using the Ubuntu installer. And it can be done. It actually was very
easy until I got into touch with UEFI.


> All I can tell you is that with only 33 years of Unix experience
> myself, I would not even _attempt_ to move a BIOS-installed system to
> a UEFI machine. I would start over.

Trying won't hurt in this case. If it doesn't work, I can still start
over.

Goodbye,
Volker