Executing 'grub-install dummy' failed.

[DonTrash]

I try to dual boot Windows 10 and Kali.
At the point where i need to install GRUB bootloader I get following error:
"Unable to install GRUB in dummy
Executing 'grub-install dummy' failed.
This is a fatal error."

I tried this: https://wiki.debian.org/InstallingDe...CIe_SSD/jessie
At the point where I need to do this: "grub-install --target=x86_64-efi /dev/nvme0n1"
I get the error: "grub-install: error: cannot open '/boot/efi/EFI/kali/grubx64.efi' : read-only file system."

To my System:
- Lenovo ThinkPad Yoga 460
- 8 GB RAM
- Intel Core i7-6500U
- 256 GB Solid-State-Laufwerk, SATA3

Kali:
Kali 64 Bit Version: 2016.2
Win32 to create USB

Booted in UEFI only, Secure Boot Disabled

Do you have any idea what I could do?
I hope this is enough information.

[_defalt]

You can skip installation of grub. After your installation is complete boot into kali-live and run these commands:

sudo mount /dev/sda* /mnt
sudo mkdir mnt/dev
sudo mkdir mnt/proc
sudo mkdir -p /mnt/sys/firmware/efi/efivars
sudo mount --bind /dev /mnt/dev
sudo mount --bind /proc /mnt/proc
sudo mount --bind /sys /mnt/sys
sudo mount --bind /sys/firmware/efi/efivars /mnt/sys/firmware/efi/efivars
sudo mkdir -p /mnt/boot/efi
sudo mount /dev/sda+ /mnt/boot/efi
sudo mount -o remount,rw /dev/sda+ /mnt/boot/efi
sudo mkdir /mnt/hostrun
sudo mount --bind /run /mnt/hostrun
sudo chroot /mnt
sudo mkdir /run/lvm
mount --bind /hostrun/lvm /run/lvm
sudo grub-install /dev/sda
sudo update-grub
exit
sudo umount /mnt/dev
sudo umount /mnt/proc
sudo umount /mnt/sys/firmware/efi/efivars
sudo umount /mnt/sys
sudo umount /mnt/boot/efi
sudo umount /mnt/hostrun
sudo umount /mnt/run/lvm
sudo umount /mnt
REBOOT

/dev/sda* is your linux filesystem. Like mine is /dev/sda6
/dev/sda+ is your EFI partition which is most likely /dev/sda1.
Use fdisk -l to list all partitions.
/dev/sda in grub-install /dev/sda is the name of your storage device, not the name of partition. Use fdisk -l to see the name of your stoage device.

UEFI-How-to-repair-kali-linux-grub-dual-boot-with-Windows-10]

[DonTrash]

Thanks for your reply... I did what you wrote... I got no error, bit still I can only boot into windows.
For * I took sda5 which is my Linux file-system. Do I need to take sda6 which is Linux swap?

[_defalt]

It'll obviously boot into Windows because UEFI boots that OS first whose boot loader is given 1st priority. You have to press F9 or F10 or F8 or F12 or F8 or Esc to open boot menu options. There you will find the option to boot either Windows or kali-linux. Which key is used to open boot menu options depends on your manufacturer. It's similar to opening UEFI settings where you can also change boot priority.

Are you sure there were no errors reported while running those commands?

Linux swap would be a wrong choice. What did you chose for **?

[DonTrash]

Yes I know... But the only option which is bootable is Windows.

For ** i choosed sda1 which is my efi partition.

[_defalt]

I added one more command into the list. See my edit and repeat the process. Report if you face lvmetad error after the update-grub command.

[DonTrash]

There was a warning which said something like: "can't connect to lvmetdat"

[DonTrash]

Now i even get an error. grub-install: error: cannot open `/boot/efi/EFI/kali/grubx64.efi': Input/output error.

I got it to boot once, then i updated kali and grub was gone again after I booted Windows once.

[_defalt]

Now i even get an error. grub-install: error: cannot open `/boot/efi/EFI/kali/grubx64.efi': Input/output error.

To troubleshoot this error i already added this sudo mount -o remount,rw /dev/sda+ /mnt/boot/efi command, i don't know why it's not working.

There was a warning which said something like: "can't connect to lvmetdat"

Now to trouble shoot this error i added few more lines. I edited it. See my edit and run the process again.

[DonTrash]

To troubleshoot this error i already added this sudo mount -o remount,rw /dev/sda** /mnt/boot/efi command, i don't know why it's not working.


Now to trouble shoot this error i added few more lines. I edited it. See my edit and run the process again.

That worked fine! Thank you so much!

[_defalt]

That worked fine! Thank you so much!

Are you telling that now you can boot kali from boot menu options?

[DonTrash]

Yes, I can choose​ Kali which starts Grub bootloader where I can start Kali. Ich can't choose windows in Grub bootloader, (don't​ know if this is right) only in boot menu. But this is fine.

[_defalt]

When you login to kali. Run sudo update-grub command in the terminal. It will add windows boot loader in the grub boot menu.

[joed1960]

I got the executing grub install dummy failed as well, but I don't have another OS on my laptop. It's an HP Pavillion which stopped booting; system recovery didn't work. I wiped it, and installed Kali. How can I get it to boot up? Booting gets me to a grub prompt with a list of possible commands.

[_defalt]

I got the executing grub install dummy failed as well, but I don't have another OS on my laptop. It's an HP Pavillion which stopped booting; system recovery didn't work. I wiped it, and installed Kali. How can I get it to boot up? Booting gets me to a grub prompt with a list of possible commands.

This error comes when grub is already present in the EFI system partition so installer can't rewrite grub with the same name hence it is called install dummy failed. Skip this step from the installation and proceed to finish the installation of kali.

Then follow the instructions given here https://forums.kali.org/showthread.p...ith-Windows-10

[bigbosshk]

You can skip installation of grub. After your installation is complete boot into kali-live and run these commands:

sudo mount /dev/sda* /mnt
mount --bind /dev /mnt/dev
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
mount /dev/sda+ /mnt/boot/efi
mount -o remount,rw /dev/sda+ /mnt/boot/efi
mkdir /mnt/hostrun
mount --bind /run /mnt/hostrun
chroot /mnt
mkdir /run/lvm
mount --bind /hostrun/lvm /run/lvm
grub-install /dev/sda
update-grub
exit
umount /mnt/dev
umount /mnt/proc
umount /mnt/sys
umount /mnt/boot/efi
umount /mnt/hostrun
umount /mnt/run/lvm
umount /mnt

Replace * in sudo mount /dev/sda* /mnt with your linux filesystem name. Like mine is /dev/sda6
Replace + in sudo mount /dev/sda+ /mnt/boot/efi with your EFI partition name. Mine is /dev/sda1
Use fdisk -l to list all partitions.

Oh, thank you bro!!! You re awesome because i was searching for this solution...

[_defalt]

Oh, thank you bro!!! You re awesome because i was searching for this solution...

Did it work?

[Pradeep Nalluri]

Thanks alot bro it was one **** of an help. Worked perfectly... the windows boot manager didn't show up initially but after running sudo update-grub I got it up and running..
once again thanks alot bro

[aviraj115]

Hello, I followed every command as you said but everything happens until grub-install command. It gives following errors:
EFI variables are not supported on this system.
grub-install: error: efibootmgr failed to register the boot entry: No such file or directory.

[_defalt]

Hello, I followed every command as you said but everything happens until grub-install command. It gives following errors:
EFI variables are not supported on this system.
grub-install: error: efibootmgr failed to register the boot entry: No such file or directory.

Your efivars kernel module is not loaded.

Run this command to test it:
#efivar-tester

UEFI variables are not supported on this machine.

#modprobe efivars

Test again:
#efivar-tester

This will no longer report an error, and now you can install grub the same way you were doing before.

[damnflesh]

That worked fine! Thank you so much!

bro, i have a problem with the commands, i have this in a HP240

Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 1550335 499712 244M Linux filesystem
/dev/sda3 1550336 976771071 975220736 465G Linux LVM


and i replace the * with sda2

but

mount: mount point /mnt/dev does not exist


my bios is diferent the legacy mode is disabled


and i dont know wath could i do

[_defalt]

bro, i have a problem with the commands, i have this in a HP240

Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 1550335 499712 244M Linux filesystem
/dev/sda3 1550336 976771071 975220736 465G Linux LVM


and i replace the * with sda2

but

mount: mount point /mnt/dev does not exist


my bios is diferent the legacy mode is disabled


and i dont know wath could i do

It is /dev/sda3 on your disk.

[E.T.II]

After entering grub install command I got an error stating that the EFI variables are not supported on my system and the EFI boot manager failed to register the boot entry no such file or directory

[_defalt]

After entering grub install command I got an error stating that the EFI variables are not supported on my system and the EFI boot manager failed to register the boot entry no such file or directory

Use this updated solution: https://forums.kali.org/showthread.p...ith-Windows-10

[menoe]

You can skip installation of grub. After your installation is complete boot into kali-live and run these commands:

sudo mount /dev/sda* /mnt
mount --bind /dev /mnt/dev
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
mount /dev/sda+ /mnt/boot/efi
mount -o remount,rw /dev/sda+ /mnt/boot/efi
mkdir /mnt/hostrun
mount --bind /run /mnt/hostrun
chroot /mnt
mkdir /run/lvm
mount --bind /hostrun/lvm /run/lvm
grub-install /dev/sda
update-grub
exit
umount /mnt/dev
umount /mnt/proc
umount /mnt/sys
umount /mnt/boot/efi
umount /mnt/hostrun
umount /mnt/run/lvm
umount /mnt

Replace * in sudo mount /dev/sda* /mnt with your linux filesystem name. Like mine is /dev/sda6
Replace + in sudo mount /dev/sda+ /mnt/boot/efi with your EFI partition name. Mine is /dev/sda1
Use fdisk -l to list all partitions.

"does this code work with kali linux 2017 i386 ? i have the same problem after installing kali linux 2017 i386"

[_defalt]

"does this code work with kali linux 2017 i386 ? i have the same problem after installing kali linux 2017 i386"

yes, it does.

[garuda_dragon]

Hi -- I seem to have this exact problem, but when I go to implement the solution above, the first line fails. The message I get is "mount: /mnt: unknown filesystem type 'linux raid member'" This is more than a bit vexing since when I noticed the installation wanted to build a software raid, I tried to turn that option off, but couldn't manage it. So I went ahead and just accepted the defaults, and it definitely claimed to be building a software raid.

Any ideas?

Thanks in advance

[emmodunne]

I followed _defalt's steps to install grub however when I execute the command

grub-install /dev/sda

, I get the following error:

EFI variables are not supported on this system.
grub-install: error: efibootmgr failed to register the boot entry: No such file or directory.

I have checked my BIOS settings and both secure boot and legacy support are disabled.

[jyde2077]

@ _default,

So I ran into something very similar to this issue with dual booting win10. I think I know where my issue kinda is. My system is below.

Toshiba Terca c50
Win10 on 1st hard drive
Kali on 2nd hard drive mount is /dev/sdc efi partition is /dev/sdc1
other specs
CPU core i5
RAM 8 gigs

When I ran the installer I didn't pick the 3 option with all the different mount points I chose the 2nd option with just the ..../home. When I ran the command mount --bind /dev /mnt/dev I get the error mount: mount point doesn't exist. Should I run re run the installer or is there a fix for this also? Sorry if that doesn't make any sense. Please let me know if you need more info on my system or steps I took.


jyde2077

[_defalt]

I followed _defalt's steps to install grub however when I execute the command , I get the following error:


I have checked my BIOS settings and both secure boot and legacy support are disabled.

Follow this: https://forums.kali.org/showthread.p...ith-Windows-10

[emmodunne]

Follow this: https://forums.kali.org/showthread.p...ith-Windows-10

I followed your steps in that thread however I still got the same error as mentioned before:
20180205_191719.jpg

[_defalt]

@ _default,

So I ran into something very similar to this issue with dual booting win10. I think I know where my issue kinda is. My system is below.

Toshiba Terca c50
Win10 on 1st hard drive
Kali on 2nd hard drive mount is /dev/sdc efi partition is /dev/sdc1
other specs
CPU core i5
RAM 8 gigs

When I ran the installer I didn't pick the 3 option with all the different mount points I chose the 2nd option with just the ..../home. When I ran the command mount --bind /dev /mnt/dev I get the error mount: mount point doesn't exist. Should I run re run the installer or is there a fix for this also? Sorry if that doesn't make any sense. Please let me know if you need more info on my system or steps I took.


jyde2077

What is the partition name of your kali filesystem? You mounted the wrong partition in the first command.

[_defalt]

I followed your steps in that thread however I still got the same error as mentioned before:
20180205_191719.jpg

Before attempting my given solution, run modprobe efivarfs.

[emmodunne]

Before attempting my given solution, run modprobe efivarfs.

I ran

modprobe efivarfs

.

This returned

modprobe: ERROR: could not insert 'efivarfs': No such device

[_defalt]

Try modprobe efivars

[emmodunne]

Try modprobe efivars

I got the same error:

modprobe: ERROR: could not insert 'efivars': No such device

[_defalt]

This error only occurs if UEFI is disabled and Legacy BIOS is enabled. Make sure this is not the case.

Use rufus to create a bootable USB and 2018.1 image is out. If there was a bug with the earlier image it would have been fixed in this recent image.

Interesting it is not happening with me.

[emmodunne]

This error only occurs if UEFI is disabled and Legacy BIOS is enabled. Make sure this is not the case.

Use rufus to create a bootable USB and 2018.1 image is out. If there was a bug with the earlier image it would have been fixed in this recent image.

Interesting it is not happening with me.

I verified that UEFI Boot is enabled and Legacy Boot is disabled:
20180215_143304.jpg

I had installed the image 2017.3 so as you advised I downloaded the 2018.1 image and made a bootable usb using Rufus. However, during the install I got the following error:
20180215_143428.jpg

Kali Linux does not seem to like me

[emmodunne]

I managed to overcome the error I mentioned above. However, grub dummy still fails to execute even with the new image. Maybe I am missing something regarding boot settings - I have posted a picture of those settings above.

Thank you for all your help

[_defalt]

No your boot settings are perfectly fine. I will look into the issue.

grub-dummy error during the OS installation happens when grub bootloader is already present in the EFI partition so installer can't overwrite it.

You can delete the old grub by mounting the EFI partition and delete the grubx64.efi in /mnt/EFI/kali. It's a critical solution. One mistake can prevent windows to boot.

Boot into kali-live and mount EFI partition as:
mount /dev/sda1 /mnt
nautilus /mnt/EFI/kali

Use fdisk -l to list which one is your EFI partition. It may not be /dev/sda1

[emmodunne]

No your boot settings are perfectly fine. I will look into the issue.

grub-dummy error during the OS installation happens when grub bootloader is already present in the EFI partition so installer can't overwrite it.

You can delete the old grub by mounting the EFI partition and delete the grubx64.efi in /mnt/EFI/kali. It's a critical solution. One mistake can prevent windows to boot.

Boot into kali-live and mount EFI partition as:
mount /dev/sda1 /mnt
nautilus /mnt/EFI/kali

Use fdisk -l to list which one is your EFI partition. It may not be /dev/sda1

I'm not attempting a dual boot. This machine did have win 10 installed and I'm trying to replace it completely with kali.

I booted into kali live and mounted the efi partition then deleted grubx64.efi.

I then tried to run modprobe efivarfs and I got the same error "modprobe: ERROR: could not insert 'efivarfs': No such device".

Tried to run modprobe efivars and I got the same error "modprobe: ERROR: could not insert 'efivars': No such device".

[_defalt]

@emmodunne Now you have deleted that file, you can re-install kali.

[emmodunne]

@emmodunne Now you have deleted that file, you can re-install kali.

It worked! Thanks so much for all your help!

[Mcole0482]

You can skip installation of grub. After your installation is complete boot into kali-live and run these commands:

sudo mount /dev/sda* /mnt
mount --bind /dev /mnt/dev
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
mount /dev/sda+ /mnt/boot/efi
mount -o remount,rw /dev/sda+ /mnt/boot/efi
mkdir /mnt/hostrun
mount --bind /run /mnt/hostrun
chroot /mnt
mkdir /run/lvm
mount --bind /hostrun/lvm /run/lvm
grub-install /dev/sda
update-grub
exit
umount /mnt/dev
umount /mnt/proc
umount /mnt/sys
umount /mnt/boot/efi
umount /mnt/hostrun
umount /mnt/run/lvm
umount /mnt

Replace * in sudo mount /dev/sda* /mnt with your linux filesystem name. Like mine is /dev/sda6
Replace + in sudo mount /dev/sda+ /mnt/boot/efi with your EFI partition name. Mine is /dev/sda1
Use fdisk -l to list all partitions.

When I do "grub-install /dev/sda" it's gives me the error "grub-install: command not found"

[_defalt]

When I do "grub-install /dev/sda" it's gives me the error "grub-install: command not found"

Once you mount your kali filesystem as mount /dev/sda* /mnt then show the output of
ls /mnt/usr/sbin | grep grub

[Nullor]

I'm not attempting a dual boot.

I am though. I'm scared if I follow with the instructions you used, I might not be able to boot into windows anymore.
I have been experiencing the same problems as you have up to this point.

Does anyone have any insight as to what i can do next?

[strale951]

I have same error while instaling grub dummy.
I done everything you wrote, have some warning when I start update-grub

root@kali:/# update-grub
Generating grub configuration file ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
WARNING: Device /dev/loop0 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sda1 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb1 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb2 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb3 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb4 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb5 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb6 not initialized in udev database even after waiting 10000000 microseconds.
Adding boot menu entry for EFI firmware configuration
done

Now I can see "kali" in uefi boot menu, but when i boot it just show promp in top-left corner and reboot to windows.

PLEASE HELP.

[strale951]

I done everything as you wrote, have some warnings when I type update-grub

root@kali:/# update-grub
Generating grub configuration file ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
Found linux image: /boot/vmlinuz-4.13.0-kali1-amd64
Found initrd image: /boot/initrd.img-4.13.0-kali1-amd64
WARNING: Device /dev/loop0 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sda1 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb1 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb2 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb3 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb4 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb5 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/sdb6 not initialized in udev database even after waiting 10000000 microseconds.
Adding boot menu entry for EFI firmware configuration
done

Now I can see "kali" in my boot menu but when I boot it show me promp in top-left corner and after 2-3 sec. reboot to windows

Please help!

[Anonymous_47]

I am have done everything as you show but it still show input/output error please somebody help😭😭😭🙏🏻🙏🏻🙏🏻

[FWA]

I had the exact issue just a few weeks ago. It turns out my ISO was intended for a 32bit Virtual Machine. Please ensure that your ISO is compatible with your hardware. What ISO and hardware are you using? (Sorry if I missed it in a previous reply) Hope this works!