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Re: debian installation issue

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On Fri, 11 Jun 2021 21:38:37 +0300
Semih Ozlem <semihozlemlinuxuser@gmail.com> wrote:

> I reinstalled the system, including an efi partition (500MiB) and the
> problem was fixed.
> 
> How to check where grub is installed? And what is a friendly guide to
> learning about grub?

I don't like quoting specific sources, as they go out of date so
quickly, but here's the official starting point:
https://www.gnu.org/software/grub/

There is a lot of other information on the Net, some of it more
user-friendly, but much of it is out of date. Search using the version
number of grub, which you see on the boot menu screen, and use 'grub2'
which is the current package name.

Grub lives in more than one place: most of it is in /boot/grub, but
there is a first-stage bootloader which calls this. To be honest,
I don't know for sure where that lives on a GPT disk, on the old
DOS-type partition it would live at the start of either the whole hard
drive or the start of a particular partition, chosen during
installation. I'm guessing it's the same for GPT partitioning.

With an EFI system there is more to it that, you've already found the
need for an /efi partition/folder, but there's also an EFI boot table
on the drive, and something else which tells the computer where to look
for entries. I have a netbook which booted fine into grub on stretch,
but an upgrade to buster killed that, and to boot into buster I have to
use a rescue medium and use efibootmgr to set NextBoot to the right
entry. Nobody here seems able to help, and I gave Google a good kicking
to no avail. Clearly you don't have this problem. 

-- 
Joe

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debian installation issue Semih Ozlem <semihozlemlinuxuser@gmail.com> - 2021-06-11 18:40 +0200
  Re: debian installation issue Richard Owlett <rowlett@cloud85.net> - 2021-06-11 19:20 +0200
    Re: debian installation issue Semih Ozlem <semihozlemlinuxuser@gmail.com> - 2021-06-11 20:40 +0200
      Re: debian installation issue Greg Wooledge <greg@wooledge.org> - 2021-06-11 21:10 +0200
        Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-06-11 23:20 +0200
          Re: debian installation issue David Wright <deblis@lionunicorn.co.uk> - 2021-06-22 18:00 +0200
            Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-06-24 06:30 +0200
              Re: debian installation issue David Wright <deblis@lionunicorn.co.uk> - 2021-06-29 18:20 +0200
                Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-06-29 19:30 +0200
                Re: debian installation issue David Wright <deblis@lionunicorn.co.uk> - 2021-07-04 17:30 +0200
                Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-07-05 05:40 +0200
        Re: debian installation issue Semih Ozlem <semihozlemlinuxuser@gmail.com> - 2021-06-12 00:00 +0200
          Re: debian installation issue Greg Wooledge <greg@wooledge.org> - 2021-06-12 00:10 +0200
        Re: debian installation issue Andrei POPESCU <andreimpopescu@gmail.com> - 2021-06-14 08:30 +0200
          Re: debian installation issue <tomas@tuxteam.de> - 2021-06-14 09:50 +0200
            [Off topic thoughts] Re: debian installation issue "Thomas Schmitt" <scdbackup@gmx.net> - 2021-06-14 10:50 +0200
              Re: [Off topic thoughts] Re: debian installation issue <tomas@tuxteam.de> - 2021-06-14 11:50 +0200
                Re: [Off topic thoughts] Re: debian installation issue Joe <joe@jretrading.com> - 2021-06-14 13:20 +0200
              Secure Boot in QEMU (was Re: debian installation issue) Kenneth Parker <sea7kenp@gmail.com> - 2021-06-14 12:10 +0200
                Re: Secure Boot in QEMU (was Re: debian installation issue) "Andrew M.A. Cater" <amacater@einval.com> - 2021-06-14 13:40 +0200
            Re: debian installation issue Steve McIntyre <steve@einval.com> - 2021-06-21 15:00 +0200
              Re: debian installation issue tomas@tuxteam.de - 2021-06-21 16:40 +0200
              Re: debian installation issue Richard Hector <richard@walnut.gen.nz> - 2021-06-23 09:50 +0200
                Re: debian installation issue Andrei POPESCU <andreimpopescu@gmail.com> - 2021-06-23 14:30 +0200
      Re: debian installation issue Joe <joe@jretrading.com> - 2021-06-11 21:20 +0200
        Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-06-12 00:30 +0200
          Re: debian installation issue Joe <joe@jretrading.com> - 2021-06-12 09:00 +0200
            Re: debian installation issue songbird <songbird@anthive.com> - 2021-06-12 13:50 +0200
              Re: debian installation issue "Andrew M.A. Cater" <amacater@einval.com> - 2021-06-12 13:50 +0200
                Re: debian installation issue Joe <joe@jretrading.com> - 2021-06-12 14:20 +0200
                Re: debian installation issue songbird <songbird@anthive.com> - 2021-06-12 15:10 +0200
              Re: debian installation issue Joe <joe@jretrading.com> - 2021-06-12 14:10 +0200
            Re: debian installation issue Felix Miata <mrmazda@earthlink.net> - 2021-06-12 23:00 +0200
        Re: debian installation issue Steve McIntyre <steve@einval.com> - 2021-06-12 17:30 +0200

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