Can't run $ sudo ../grub-install -d. --efi-directory /boot/efi/ --target=i386?

Question

GRUB

I restore the hornbeam - I do it according to the article - I'm stuck at point 6) - it gives out Installation for the i386-efi platform is in progress.
../grub-install: error: could not open './moddep.lst': No such file or directory.
....
Repairing GRUB so that we don't have to write those commands in GRUB every time at startup. Each command is confirmed by pressing Enter
.
, press enter and wait. It will ask for a password - we write. In general, I advise you to copy-paste commands. Go to w3bsit3-dns.com via firefox and copy-paste commands from here. In the terminal, ctrl + v does not work, so RMB on the touchpad and "Paste" or "Paste" if you have not set Russian in the settings yet.
2. After waiting write this:
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git clone git://git.savannah.gnu.org/grub.git
3. After finishing this:
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cd grub
4. Copy-paste this:
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./autogen.sh
Yes, with a period before slash. We are waiting for a long time.
5. Then copy-paste it:
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./configure --with-platform=efi --target=i386 --program-prefix=""
make
And wait here. Expectations are more than any action.
6. Move to grub-core:
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cd grub-core
7. Write command:
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sudo ../grub-install -d . --efi-directory /boot/efi/ --target=i386
And again we are waiting.
8. Now we move to EFI:
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cd /boot/efi/EFI
10. Here we write the command:
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sudo cp grub/grubia32.efi ubuntu/grubx64.efi
after which nothing visually appears. We wait 10 seconds for everyone and continue.
11. Write the
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sudo nano /etc/default/grub
12. In the editor, in the line GRUB_CMDLINE_LINUX_DEFAULT, replace the text in quotes with
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video=VGA-1:1368x768e reboot=pci,force
13. Press ctrl + o, then Enter, then ctrl + x - exited the editor.
14. Update the GRUB config:
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sudo update-grub
15. Reboot. The flash drive is no longer required.

Answer 1

Why are you compiling grub from source if it's available by default in Ubuntu?
1-6 can be skipped entirely. Instead, you do:

sudo apt-get update
sudo apt-get install grub-efi-ia32

Then call as a normal command without a parameter -d:
Point 10 is strange, I would not do it.
On 11-13 use gedit instead of nano if it's a graphical interface - it'll be easier.
In theory, this should be enough.
14 won't hurt, you can do it.
The bottom line is that the grub build for the exotic ia32 is available in the Ubuntu stock repositories and should just work, there shouldn't be any need to compile anything there. If these operations are carried out from a flash drive, then after getting into the working system, put it there too grub-efi-ia32so that it is normally updated.