Install grub using custom boot-loader ID, e.g “MyUbuntu”
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I'm able to reinstall grub using default boot-loader ID "ubuntu"
But if I use custom name like "MyUbuntu" I cannot make a successful grub installation.
Test installation on a well-booting Ubuntu 18.04:
1: Delete existing grub:
rm -r /boot/efi/EFI/*
2: Install new grub:
grub-install --target=x86_64-efi --bootloader-id=MyUbuntu /dev/sda
2: Update grub:
update-grub
System now boots into the Grub console.
The EFI was seeing the new boot entry in the boot menu just fine.
Just took a peak into the /boot/grub/grub.cfg, it still says:
menuentry 'Ubuntu' --class ubuntu.....
grub2
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
|
show 3 more comments
I'm able to reinstall grub using default boot-loader ID "ubuntu"
But if I use custom name like "MyUbuntu" I cannot make a successful grub installation.
Test installation on a well-booting Ubuntu 18.04:
1: Delete existing grub:
rm -r /boot/efi/EFI/*
2: Install new grub:
grub-install --target=x86_64-efi --bootloader-id=MyUbuntu /dev/sda
2: Update grub:
update-grub
System now boots into the Grub console.
The EFI was seeing the new boot entry in the boot menu just fine.
Just took a peak into the /boot/grub/grub.cfg, it still says:
menuentry 'Ubuntu' --class ubuntu.....
grub2
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32
|
show 3 more comments
I'm able to reinstall grub using default boot-loader ID "ubuntu"
But if I use custom name like "MyUbuntu" I cannot make a successful grub installation.
Test installation on a well-booting Ubuntu 18.04:
1: Delete existing grub:
rm -r /boot/efi/EFI/*
2: Install new grub:
grub-install --target=x86_64-efi --bootloader-id=MyUbuntu /dev/sda
2: Update grub:
update-grub
System now boots into the Grub console.
The EFI was seeing the new boot entry in the boot menu just fine.
Just took a peak into the /boot/grub/grub.cfg, it still says:
menuentry 'Ubuntu' --class ubuntu.....
grub2
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
I'm able to reinstall grub using default boot-loader ID "ubuntu"
But if I use custom name like "MyUbuntu" I cannot make a successful grub installation.
Test installation on a well-booting Ubuntu 18.04:
1: Delete existing grub:
rm -r /boot/efi/EFI/*
2: Install new grub:
grub-install --target=x86_64-efi --bootloader-id=MyUbuntu /dev/sda
2: Update grub:
update-grub
System now boots into the Grub console.
The EFI was seeing the new boot entry in the boot menu just fine.
Just took a peak into the /boot/grub/grub.cfg, it still says:
menuentry 'Ubuntu' --class ubuntu.....
grub2
grub2
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
asked Mar 27 at 23:14
MrCalvinMrCalvin
1061
1061
I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32
|
show 3 more comments
I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32
I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32
|
show 3 more comments
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I have a custom entry, but it really does not work as UEFI entry really uses /EFI/ubuntu/grub.cfg not my /EFI/Ubuntu_18_04/grub.cfg. So I only have one working UEFI entry and have to edit the grub.cfg in the ESP if I want to change default boot. And then I use grub to boot other installs.
– oldfred
Mar 28 at 2:10
So is it a bug or by design?
– MrCalvin
Mar 28 at 19:22
It is by design, but developers have for several years said they want to fix it. Obviously not a priority.
– oldfred
Mar 28 at 20:28
Any workarounds? I need to have a non-default EFI folder? Been looking in the .cfg file but it didn't get me anywhere?
– MrCalvin
Mar 28 at 20:47
I believe I saw someone who had two FAT32 formatted partitions and moved boot flag back & forth, changing which was ESP. But grub can boot any install you want either directly, chainload or configfile (load another grub).
– oldfred
Mar 28 at 22:32