Ubuntu 20.04 grub install failed

[Fixed] Grub Install Fatal Error in Ubuntu 20

I am somewhat certain (but not completely) that the Ubuntu OS installed perfectly and the problem cropped up only in the GRUB installation, since whenever I try to re-install, the setup wizard says that this computer has Windows 10 and Ubuntu 18.04 LTS on it and gives the option to Erase Ubuntu 18.04 LTS and re-install, which would only be possible if Ubuntu was already installed In my opinion the best answer is to go to the terminal with Ubuntu-live stick or cd. But you probably the graphical solution works fine: Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live sessio.. ← Ubuntu : Know the path of a pendrive → Fix grub-intall /dev/sda failed while Ubuntu 20.04 instaltion Leave a Reply Cancel reply Your email address will not be published in the year of our load 2012, installing a clean Linux from CD fails flat on its face, because it's Linux! so, i got a old (~2005) laptop and wanted to Ubuntu. Downloaded the installer, burned it on a DVD, inserted to laptop, rebooted, and got the step-by-step install GUI screen

Fix grub-intall /dev/sda failed while Ubuntu 20

Get grub menu back after installing Ubuntu 20.04 alongside Windows. Jerry Lei. Hours after the release of ubuntu 20.04 beta, I decided to give it a try with a newly purchased WD blue SSD to. Now Canonical released today new versions of the GRUB2 packages in all of their supported Ubuntu releases, including Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS and Ubuntu 14.04 ESM, to address the boot failure issues

Grub-install failing when trying to install Ubuntu based distros on Stout : chrultraboo

问题描述:个人是通过u盘启动安装的,而在安装ubuntu时出现了如下问题:ubuntu能够正常地写入自己事先分好的磁盘分区中,但是最后出现grub安装失败(grub installation failed),接着便是安装程序的崩溃(installer crashed),导致最后ubuntu未安装成功 there is no problem installing ubuntu on big hard disks. Just be sure you have installed Grub properly to the /boot folder. If not sure you may reinstall it first, in ubuntu it is very easy. Having it installed properly you can issue grub-install /dev/sda. Remember this command does not carry out if grub was not properly installed yet ProblemType: Package DistroRelease: Ubuntu 20.04 Package: grub-pc 2.04-1ubuntu26.13 ProcVersionSignature: Ubuntu 5.11.-27.29~20.04.1-generic 5.11.22 Uname: Linux 5.11.-27-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 CasperMD5CheckResult: skip Date: Sun Aug 29 16:34:47 2021 ErrorMessage: installed grub-pc package post. This is correct. msdos6 = sda6. The location of the Grub boot files. If there was a previous install of Ubuntu on this machine (20.10) it could have put. Grub into the MBR of the drive. This would mean that the installer of 21.04 was accurate when it said that the install of Grub into the MBR failed

grub2 - Installation Error : Unable to install grub on dev/sda1 - Unix & Linux Stack

  1. It seemed to be quite easy - download Ubuntu 18.04 LTS, create bootable USB, and here you go! But, the first attempt was not successful - at the end of the installation, I've received the following error: The 'grub-efi-amd64-signed' package failed to install into /target/. Without the GRUB bootloader, the installed system will not boot
  2. Download grub-firmware-qemu_2.04-1ubuntu26.13_amd64.deb for 20.04 LTS from Ubuntu Updates Universe repository
  3. Ubuntu: 18.04 clean install GRUB installation failedHelpful? Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God,..
  4. ated after Grub installation failed image. Please do the needful to fix this issue
  5. Ai-笔记:Ubuntu装机grub-install失败解决办法 grub-install failed的解决办法. 昨天换到了18.04的那台笔记本上,忽然发现ibus下的复制粘贴有问题。然后我就卸载了ibus的拼音,加了Fcitx的输入法,就这样重启后,我再也进不去系统,一直停在logo处
  6. Jun 16, 2021, 4:29 PM. @lonkle said in ./cloudron-setup script fails to install on dedipath.com VPS Ubuntu 20.04: sed: can't read /etc/default/grub: No such file or directory. This happens at times when the VPS is really LXC instead of KVM. Cloudron does not support LXC

New Ubuntu 20.04 Features. Linux Kernel 5.4 - This version of the Linux kernel adds support for a wider range of processors. It also includes improvements for boot speed, power-saving, and USB-C, plus several security features. Gnome 3.36 - Gnome has been updated and improved.System animations should be smoother and have a lower impact on CPU usage Ubuntu's been making slow but steady improvements in its EFI support for the last several versions, so yes, there are differences between 12.04 and 12.10 that could be important. That said, the fact that you got a bunch of dependency errors when you tried to install grub-efi suggests that a more fundamental problem might be the root cause -- perhaps there was a network problem that prevented a. apt update breaks grub on Ubuntu 20.04. Posted July 31, 2020 7.4k. views. Ubuntu 20.04. I created an Ubuntu 20.04 droplet and followed the How To Install and Configure Laravel with Nginx on Ubuntu 20.04 and when I logged in I saw: 96 updates can be installed immediately. 34 of these updates are security updates. So first thing I did was run

Why do I get the message 'Grub install failed, this is a fatal error' while installing

  1. 6 tasks. Ubuntu 20.04 apt-get update fails #2156. jralls opened this issue on Nov 29, 2020 · 1 comment. Labels. needs triage. Comments. jralls added the needs triage label on Nov 29, 2020. al-cheb closed this on Nov 29, 2020
  2. Ubuntu 20.04 is a fantastic desktop Linux distribution, and in this video, I show off the process of wiping your drive and installing this distro as your onl..
  3. 1)As per efibootmgr before repairing there was already an Ubuntu option and also Linpus Lite as default (maybe an USB live with that distro not present). efibootmgr -v from chroot before grub install. BootCurrent: 0001. Timeout: 0 seconds. BootOrder: 0001, 0000 ,2003,2001,2002. Boot0000* ubuntu HD (1,GPT,e4d4b2e5-590b-4996-a75e-4d555fba4030.

Boot repair in Ubuntu 20

Re: UEFI - Executing 'GRUB-install dummy' failed. by Head_on_a_Stick » 2020-01-27 17:04 If you have an msdos partition table on /dev/sda then Windows will be installed in non-UEFI mode so you should also install Debian in non-UEFI mode or it won't provide a GRUB entry for Windows Months ago I installed Ubuntu 20.04 alongside Win10 I had to switch the BIOS to AHCI from RAID as it wouldn't. Last week I was given a free secondhand HP 17-x051nr, an inexpensive Intel i3-based laptop. For the price of a $30 replacement battery and an SSD I had on-hand I now have a newish laptop to use. Getting the 20.04 LTS release of Ubuntu running on it had some issues, so here's a guide to working around these and getting the latest Ubuntu LTS installed • Insert the Ubuntu 20.04 installation media either through USB or CD/DVD. • Power on the system and press the function F12 key when the Lenovo splash screen appears. • Select the Linux bootable installation media from the Startup Device Menu

Video: Ubuntu Linux Install Error: 'grub-install /dev/sdb' faile

Though users can add password protect to the Grub boot menu, the file system is still accessible via a live system, e.g., bootable USB installer. 4 responses to How to Encrypt Full System Disk While Installing Ubuntu 20.04, 21.04. ernesto June 12, 2021 at 1:57 am Ubuntu 20.04 is the latest LTS and the current version of the most famous opensource desktop operating system from Canonical, released on April 23, 2020.. Ubuntu is the favorite OS for desktop users, mainly developers. Canonical releases new Ubuntu versions every six months with free support for nine months and every fourth release would receive long-term support, up to five years from the. Try Ubuntu 20.04. Given that you did successfully boot from your previously created Ubuntu bootable USB you will be briefly shown a black screen. If you act quickly enough, hitting the TAB key you will bring up the Boot Menu where you can choose to simply just try Ubuntu without installation. Alternatively, you can simply wait and make the same selection once the Ubuntu 20.04 boots into the. Read: How to Install Remote Desktop (XRDP) on Ubuntu 20.04; In this tutorial, we will show you how to install and configure a VNC server on Ubuntu 20.04. Step 1 - Install Desktop Environment. By default, Ubuntu Server does not include a Desktop Environment. TigerVNC server is designed to controls only desktop systems Ubuntu Server 20.04 comes with a new automated OS installation method called autoinstall.It is a replacement of the debian-installer (preseed). Overall, it is a better system that removes the headaches of using commands to interact with a GUI based installer. Update: The AutoInstall documentation provided by Canonical is much much better than when I initially read it

Get grub menu back after installing Ubuntu 20

  1. Can you please tell us how we can improve this article? More articles in Linux . My Linux VPS clock is suddenly running fast (or slow
  2. Installing Ubuntu Core 20. Ubuntu Core runs on a large range of hardware, and pre-built images are available for amd64 and Raspberry Pi reference platforms.. Installation on a reference platform is easy and a great way to quickly get started with Ubuntu Core, or to explore Ubuntu Core's features and evaluate its potential
  3. Installing deb files in Ubuntu 20.04. For some reasons, the default software to open the deb file has been set to Archive Manager tool in Ubuntu 20.04. The Archive Manager tool is used for extract zip and other compressed files.. The solution for this problem is pretty simple

ProblemType: Package DistroRelease: Ubuntu 20.04 Package: grub-pc-bin 2.04-1ubuntu26.13 ProcVersionSignature: Ubuntu 5.11.-27.29~20.04.1-generic 5.11.22 Uname: Linux 5.11.-27-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.18 AptOrdering: firefox:amd64: Install NULL: ConfigurePending Architecture: amd64. I have a Dell Precision 7540 that has Ubuntu 20.10 installed (previously 20.04). It is a pretty normal installation with a single physical nvme disk, with separate partition for boot and LUKS on the main partition. I can no longer boot past the Grub boot screen. The options I have to select from are: Ubuntu with Linux 5.8.-26-generic I partitioned it into-. 200 GB for Windows 10 as ntfs. 200 GB for any DATA as ntfs. 6GB as swap. 94 GB for Ubuntu as ext4 marked as / during partitioning with ubuntu installer. ext4 partition set as boot loader device. During installation it says that grub installation failed General Settings Grub Customizer min The last settings page Appearance controls the appearance of Grub and offers color settings, screen resolution, and the selection of a background image. The News Highlights. On Ubuntu 20.04 or Linux Mint 20.02, install and utilise the Grub customizer; Check the latest update on Security news Ubuntu Desktop 20.04 is the latest LTS release of Ubuntu Desktop. In this article, I am going to show you how to download and install Ubuntu Desktop 20.04 LTS on your computer. So, let's get started. Downloading Ubuntu Desktop 20.04 ISO Image

GRUB2 Boot Failure Issues Fixed in Debian and Ubuntu, Update Now - 9to5Linu

I have installed Ubuntu 20.04 as sole OS on a fresh HD and got stuck with a 30 second grub menu. The changes suggested in steps 1-3 did not change it, but adding the RECORDFAIL line did it for me. Thank you This way, blocks will be sync'ed between the 2 disks. It's possible that there's a bug in how the bios_grub partitions are created in the installer when using multiple disks as this behaviour is not consistent with version 20.04.1 or the current Ubuntu Server docs as referenced here. 1. As per the official notes in this link, AMD ROCm platform is designed to support Ubuntu 20.04.1 (5.4 and 5.6-oem) and 18.04.5 (Kernel 5.4). So kernel version 5.8 is not supported. However, downgrading is an option but instead of rushing to that, you can simply boot into an older version of kernel Following the conversation around a past post about Ubuntu 18.04 and TPM2 encrypted system disk (can be found here), I have added a post about using a more modern Ubuntu (20.04) with TPM2.This post includes all the updates (many thanks to the commenter kelderek for setting up a very well working setup!) and has just been tested on a virtual Ubuntu with (virtual) TPM2 device 由于刚开始对知识的欠缺,我第一次在win10环境下安装Ubuntu很easy的成功了,但是某一次不小小删除了Ubuntu的桌面文件后变成了服务器端的Linux,我决定删除整个Ubuntu重装。结果第二次,卡了我2天的时间。我查了各种资料,网络上的解决办法感觉很杂,在此特意总结一下

How to Rescue, Repair and Reinstall GRUB Boot Loader in Ubunt

  1. Setting up gnome-shell-extension-prefs (3.36.2-1ubuntu1~20.04.1pop1~1589984649~20.04~645af9b) [email protected]:~$  After updating, it is time to install grub and grub-customizer for actually modifying/generating grub configuration file visually. Type in the following command: sudo apt install grub-efi grub2-common grub-customize
  2. 149 sudo zpool add gi meta c0t55CD2E404B405950d0p1 150 sudo zpool add gi log c0t55CD2E404B405950d0p0 151 sudo zpool add -f gi log c0t55CD2E404B405950d0p0 152 sudo zpool status gi So in my view, that system was shut down with both meta and log enabled on two equally sized partitions p0 (log) and p1 (meta) on that drive
  3. Grub nach einer Ubuntu-Installation¶ Bei einer Neuinstallation von Ubuntu auf einen neuen PC resp. ein neues Gerät (HDD/SSD) wird grub entsprechend dem Modus (legacy/EFI) automatisch mit den geeigneten Vorgaben installiert, und beim Start des PC das Betriebssystem mittels des Loaders von grub gestartet
  4. Installed Ubuntu 20.04 (new install) and when I use the suspend function, one of the following 2 results can happen: A) The laptop suspends (or hibernate) in 2-6 seconds. The power led goes OFF. B) The laptop instantly turns off the display, leaving the keyboard backlight and power led ON, and fail to suspend
  5. Install Kali Linux Tools Using Katoolin3 In Ubuntu 20.04 LTS. To run Katoolin3, enter the following command: $ sudo katoolin3. Katoolin3 will add necessary Kali Linux repositories on your Ubuntu machine and update the sources lists. Run Katoolin3 in Ubuntu

This article explains how to install the Deepin Desktop Environment on Ubuntu 20.04 or 20.10, and Linux distributions based on these Ubuntu versions, like Linux Mint 20.x. You'll also find instructions for how to remove it in case you no longer want to use it. Deepin Desktop Environment (Deepin DE or DDE) is written in Qt and uses dde-kwin as its window manager (a set of patches for KDE Plasma. Ubuntu 21.04 supports this during installation. Whether these instructions are suitable for mirroring such a setup has not been tested. For Ubuntu 20.04, these instructions are not suitable for creating an encrypted ZFS boot disk, please use the full instructions linked above for that One Ubuntu 20.04 server with a non-root administrative user and a firewall configured with UFW. To set this up, follow our initial server setup guide for Ubuntu 20.04. A local computer with a VNC client installed. The VNC client you use must support connections over SSH tunnels: On Windows, you can use TightVNC, RealVNC, or UltraVNC

Ubuntu 18.04 grub installation failed_yuezhilanyi的博客-CSDN博

I have recently upgraded to ubuntu 20.04 LTS, it works charmingly but all I want is to hide grub menu on booting. Yes, I tried to edit /etc/default/grub. Timeout is set to 0 sec in default, and I'm still seeing the grub menu on startup with timeout 30 sec. I tried to edit using grub-customizer and no luck. timeout is showing 30 sec Ubuntu - Ubuntu 12.04.3 LTS installation failed. says: GRUB installation failed Ubuntu - The 'grub-efi-amd64-signed' package failed to install into / target/. Without the GRUB boot loader, the installed system will not boot. Dual-boot or multi-boot Ubuntu 20.04 with other operating systems? This tutorial will show beginners how to change the default OS entry in Ubuntu 20.04 desktop. This is a graphical tool to configure the default Grub boot-loader in Ubuntu. It's Grub Customizer, and available in Ubuntu universe repositories for Ubuntu 19.04 and higher. 1 Reinstall Ubuntu. In the event that Ubuntu still does not boot, the only viable option left is to install Ubuntu once again. In that case, you will again need the live USB. Read: Must-do Things After Installing Ubuntu 18.04. But before installing Ubuntu, make sure that you have a complete backup of your system as re-installing will remove your. So my issue in a nutshell is that my Ubuntu Server Machine is not booting into the OS. The machine is a Dell Precision T7600-Dell PERC H710P HBA-4 Hitachi 2TB HDDs-32GB RAM ECC-Intel Xeon E5-2609-Ubuntu Server 20.04 This issue randomly started happening after an update. When I turn on the machine I am greeted to a grub prompt

[SOLVED] GRUB Installation Failed - Linux Mint Forum

I managed to get Ubuntu 20.04.2. working on my old Linx 1020 tablet following your instructions (I will add that I needed to have internet connected for it to install properly - otherwise it fails at the installation of the local grub 32 bit boot module) For Ubuntu 20.04 LTS and booting with grub 2.04 . Generally, when booting with '''grub 2.04''' in UEFI mode you need an extra command to remove tpm. If you have insufficient memory and start the installation, the installer will be unable to unmount /isodevice, the install will fail and the system may freeze

ubuntu 18.04 grub-install: asked Jun 1 at 20:26. the_nuts the_nuts. 382 5 5 silver badges 17 17 bronze badges. 3. 1. Well that's interesting. Diagnose engineering process failures with data visualization. Podcast 370: Changing of the guards: one co-host departs, and a new one enters. Featured on Met zsys install fails (ubuntu 20.04 luks) #120. Closed l-t-k opened this but had later issues pop up after rebooting (/boot not getting mounted and dpkg-reconfigure grub-efi-amd64 not allowing me to pick the For some reason, this is not happening normally on Ubuntu 20.04. I added the same steps to Debian too, for good measure. In your Linux life time, you may have faced many boot issues. Like you experimented with some stuff and later you found out that you can't boot into your precious Linux operating system at all! Boot Repair is a tool to repair common boot issues on Ubuntu, Debian, Arch, Linux Mint, OpenSUSE, Fedora and other Linux distributions, Windows and Mac OS operating systems In this article I'll show you how to restore your bootloader, your grub loader that allows you to switch between Windows and Ubuntu - now the bootloader or the grub loader can disappear for a number of reasons. If you have Ubuntu running on your computer but you decide to install Windows after you install Ubuntu, the Bootloader will be erased Thank you for celebrating 10 years of Ask Ubuntu! Fix Dual Boot system booting straight to Windows Step 1. - It's possible to run GRUB from UEFI (press ESC-> Boot device-> EFI file). When I first tried to download Linux, the installation for dual booting was successful but then I realised I downloaded the wrong version for the code I am going.

Enter a number like 1 or 2 to have GRUB only wait for one or two seconds. Press CTRL + X to exit nano, type Y and press Enter to save the changes, and then update GRUB with its new configuration, with the command: sudo update-grub. After this little change, your next boot will be much quicker. 3 landscape-client. 1870087. d/landscape-client.service . glib-networking. 1873777. New upstream release, reenable TLS 1.0/1.1 protocols due to COVID-19 Upload to Ubuntu as build1 revision to include a bug reference . netplan.io. 1871825. Backport upstream bug fix for 0.99 to 20.04 grub-efi-amd64-signed failed to install into /target/. Without GRUB boot loader, the installed system will not boot and then Ubiquity crashes. At this point I tried to clean up the EFI settings using both efibootmgr on Ubuntu LiveUSB and EasyUEFI on Windows. These tools remove the entry correctly, but the problem remains unsolved

Public bug reported: When installing xubuntu 20.04 it fails at the end of the installation during grub-install it seems wrong source file location and target device has been used. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: ubiquity ProcVersionSignature: Ubuntu 5.8.-43.49~20.04.1-generic 5.8.18 Uname: Linux 5.8.-43-generic x86_64 NonfreeKernelModules: zfs zunicode zavl. Ubuntu is an open source software operating system that runs from the desktop, The server installer for 20.04 supports a new mode of operation: (and fails if there is no default). You can designate particular sections in the config as interactive,. New Windows Partition for Ubuntu Install Install Ubuntu 20.04 Alongside with Windows. On the next step, place Ubuntu Desktop DVD ISO image or the bootable USB stick into the appropriate motherboard drive and, reboot the machine and hit the appropriate bootable key ((usually F12, F10 or F2) in order to boot the Ubuntu installer DVD or USB bootable image First I installed Windows on just one partition (no others were created) following one partition windows installation, because I wanted to maximize the number of possible primary partitions.. When I installed ubuntu I got: grub-efi-amd64-signed failed installation /target/ So grub failed to install. On all installations I used lagacy support enabled on UEFI mode on a HP laptop

[Bug 1940775] Re: i was installing ubuntu 21.04 allong side 20.04 and 18.04 Erich Eickmeyer Sun, 22 Aug 2021 09:25:45 -0700 Thank you for taking the time to report this bug and make Ubuntu better On 23rd April 2020, Canonical has released its latest Ubuntu Operating system as Ubuntu 20.04 LTS (Focal Fossa).It has been released for desktop and Servers. In this article we will demonstrate Ubuntu 20.04 LTS server installation steps with screenshots. Before initiating the Installation process, let's see what are the new features that have been included in this release

If you're like me, when you start searching for a solution to enabling VNC on Ubuntu 20.04 desktop you'll find that most answers are actually written with the assumption that you are running the server version of the distro instead. Due to that they'll often have you start by installing a desktop environment like xfce Public bug reported: There was a generated bug report. I hope it didn't get lost while I tried to figure out . Just trying to do a clean install of Xubuntu 20.04 on my new System76 Gazelle laptop. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: ubiquity ProcVersionSignature: Ubuntu 5.8.-43.49~20.04.1-generic 5.8.18 Uname: Linux 5.8.-43-generic x86_64.

Grub Installation Failed Ubuntu 16.04 fresh Installation, Unable to Boot form USB. Ramesh Published at Dev. 4. Ramesh I was trying to fresh install Ubuntu 16.04 on DELL 3521, Previously i was using 15.04. System was getting slow so i wanted to install fresh, I deleted the /, /boot, /swap and recreated Wollte gerade Kubuntu 9.04 installieren, parallel zu meiner Win7 Installation. Das Setup lief soweit einwandfei durch, nur am Ende bekam ich die Meldung, dass die Grub Installation fehlgeschlagen sei. Jemand eine Idee woran das liegen könnte und was man dagegen tün könnte

[Fix] 'grub-efi-amd64-signed' package failed to install into /target/ Never Too Old

  1. Solved: Hi, System: Ubuntu 20.04.1, Gpu: Sapphire RX 5700 XT, Drivers tested (20.30, 20.40, 20.45) When I try to install drivers, I get this: Building initia
  2. imum 100Mib. 200MiB recommended. Type: FAT3
  3. Re: Ubuntu18.04のインストール中にGRUBのインストールが失敗する pontaさんと同様にUEFI環境でubuntuベースのChaletOSをインストールして「GRUB installation failed」となった人のブログがありました
  4. Installing Ubuntu 20.04 on my laptop is also a kind of Mission. I have to install it on safe graphics mode otherwise it just fail (first time this happen i installed this distro so many times last 10 years). I haven't encounter this trouble with POP_OS from clean install. I guess the article from derpOmattic could help. good luc
  5. HP laptop 15s-fqxxxx, Ubuntu 20.04 LTS, Чёрный экран, nomodeset помогает только при установке black screen, install, ubuntu 20.04, Форум Черный экран после grub на планшете с Intel Atom x5-Z8350 и графикой Intel (2018
  6. Popup window: GRUB installation failed The 'grub-efi-amd64-signed' package failed to install into /target/. Without the GRUB boot loader, the installed system will not boot. Probably, I forgot to disable secure boot on BIOS...? ProblemType: Bug DistroRelease: Ubuntu 16.0
  7. GUI Installation on Ubuntu Server 20.04. 1. Update the apt package index and install tasksel. 2. List the GUI we have installed and we can install: 3. Use tasksel command to install the selected GUI. For example to install the default Ubuntu GNOME desktop execute. This step will install all the files and take some time to finish

安装ubuntu最后出现grub安装失败(grub installation failed)、安装程序

4 Answers4. Try to install virtualbox from its download page to make sure that it's the latest version of virtualbox (6.1.16). Had the same issue But finally got it fixed!!! By removing Virtualbox completely and reinstalling it 命令含义:指示GRUB读取分区的第一个扇区的引导记录. grub>boot 命令含义:启动GRUB. PS:我在执行这样的命令后,ubuntu启动提示Unable to find a medium containing a live file system。google有解。 第二种. sudo apt-get -y purge grub sudo apt-get install grub-efi-amd64 grub-efi-amd64-bin grub-efi.