Now, install the grub using grubinstall command at your hdd mbr. Debian user forums view topic install grub mbr on uefi. Mar 20, 2020 download grub2win dual boot with ease between linux and windows operating systems as well as the mac os x with extended support for linux distributions. Jul 06, 2018 how to protect grub with password on debian, ubuntu and kali linux. If any of the lines is incorrect, fix it and rerun the script grub install. Check info grub or man nf for instructions on setting up the bootloader.
The goal of this note is to fix the uefi boot manager located in the nvram for a debian installation, by using a debian live image to mount a broken system via chroot and then reinstall grubefi. There are two ways to reinstall grub, automatically using grub install, and manually through grub itself. Bootrepair, simple tool to recover access to your operating systems. The software is comprised of different utilities, including grubsetup, grubinstall, grubmkconfig and updategrub. Fortunately, you can manage to install grub on any windows pc running windows 10 without any hassles using an opensource tool called grub2win. If you have several oses installed, you have to choose the correct partitionthe one to edit is the one specified as root when grub was installed this gets hardcoded into the grub code that goes in the mbr. Complete reinstall of grub 2 from live usb youtube. Grubefi installation fails while installing kali linux in. So what is the difference between grubinstall devsda and grubinstall devsda1.
I n this article we are going to learn how to install linux debian 9 stretch step by step with snapshots. Download grub2win dual boot with ease between linux and windows operating systems as well as the mac os x with extended support for linux distributions. Alternatively, if you intend to keep an existing partition on the hard drive unchanged during the install, you can download the hdmediainitrd. Thereafter, you will be prompted with a login screen. Looking at that, it seems that the maximum of four primary partitions in a mbr partition table is enough to dualboot windows and debian.
Installing grub in vmware for debian vmware communities. The command to change the grub 2 installation device or boot files is grubinstall run as root. Aug 15, 2005 recently my hard disk went bad some bad sectors developed, my i windows xp boot file corrupted. Reinstalling the grub boot loader the tao of debian. Falls sie ihr linuxsystem starten konnen, haben sie es noch. By using this tool, you can add, remove, and rearrange boot menu entries. Run command prompt under admin and go to the grub2. Suppose you install linux on sda1 grub calls this hd0,0 and install grub in the process. Supports both 64 and 32 bit efi firmware as well as bios. Another supported option is to install the grub 1st stage loader into a partition, like devsda2. This will recreate the boot loader for grub2efi in the efi system partition as bootefi and add an entry for it in the boot manager. This package is intended for the use in building debianinstaller images only. Want its boot loader lilo back, no problem, just type lilo b devhda and lilo will be installed in the mbr no number after hda means mbr. There are two ways to reinstall grub, automatically using grubinstall, and manually through grub itself.
The rest of the options you will have to discover them by yourself. In this article i will show you how to install grub customizer 4. This video tutorial will show you how you can use an. If you are keeping the system you used to install debian, just add an entry for the debian install to. Somehow it automatically installed to the esp partition and added all the distros installed in legacy mode as well. Today is national holiday iday and i wanna watch tv. Install grub2 on usb and hdd from windows aio boot. I prefer gdebi over dpkg due to the fact that it also handles dependencies. Safely boot multiple windows and linux systems on both gpt and mbr disks. Debian details of package grubcustomizer in stretchbackports.
For example, under linux the following will install grub into the mbr of the first ide disk. Grubby in fedora patches the configuration when a kernel update is performed and will try to not make any other changes than what is necessary. Grub2installing community help wiki ubuntu documentation. If you need to download a new copy, see reference 2. The second option is to repair grub by running grubinstall another way.
This command allows the user to modify the installation by setting the root directory, preload modules, run specific setup files and more. If you installed linux first and then decide to install windows, the windows bootloader will overwrite grub, and you will find there is no way to boot into your linux desktop. Note that debootstrap does not install a boot loader, but you can use apt inside your debian chroot to do so. Problem is neither i continue reading restore debian linux grub boot loader. Setting up a windows linux mint dual boot using mbr. Apr 05, 2017 the goal of this note is to fix the uefi boot manager located in the nvram for a debian installation, by using a debian live image to mount a broken system via chroot and then reinstall grub efi. If you are ok with your grub configuration, you can install grub on the mbr of your disk using grubinstall. The second is writing the boot code to the first primary partition and will only work when you already have some other boot code in the mbr. How to rescue, repair and reinstall grub boot loader in ubuntu.
Debian should be run with at least a swap partition and a partition for the root filesystem. Debian user forums view topic solved install grub boot. For information on where grub should be installed on pc bios platforms, see bios installation in order to install grub under a unixlike os such as gnu, invoke the program grub install see invoking grub install as the superuser root. How to fix windows mbr from ubuntu make tech easier. Mar 06, 2015 to install grub 2 to the sdx drives mbr or boot sector sda, sdb, etc. Install linux os kali as usual but at grub install step select your root partition to install the grub instead of the whole disk. That will reinstall grub to mbr of the first hard drive. In disk management is disk 2, we will remember number 2 here. Well windows boot loader will not allow other os to load except for windows can be any version so you need to have grub besides you can learn more here s. This can occur for example if windows is installed on another partition which overwrites the mbr. It is recommended on the nc02u to have this enabled as this forces the debian installer to boot into pc compatibility mode and not efi and also install grub on the mbr rather than the efi layout. Jun 26, 2017 run command prompt under admin and go to the grub 2.
In certain cases sudo update grub might not work it happened to me when installing debian beside ubuntu in such a case i do one of the following. Reformat the entire system with windows and then follow this tutorial, or you will need to make separate partitions using something like gparted and then install windows, followed by reinstalling the grub bootloader as windows will overwrite the boot sector with its own master boot record, essentially trapping your gnulinux partition as. Fixing debian uefi boot manager with debian live code bites. How to install debian with windows already installed without. If your efi based pc is not booting debian, here is an easy way to reinstall grubefi, the bootloader used by. Check the number of hard disk you will install, be it usb or hdd. An os normally installs the grub 1st stage loader into devsda and for gpt also in devsda1.
Create a live cdusb of ubuntu secure remix, which is an ubuntu live with supplementary rescue tools, boot from that and use boot repair. Some software on nonlinux operating systems also used this. How to install grub after installing windows 10 stack overflow. The second option is to repair grub by running grub install another way. Nov 28, 2008 this can occur for example if windows is installed on another partition which overwrites the mbr. That will re install grub to mbr of the first hard drive. Move, remove or rename menuentries they stey updatable by update grub. You can edit kernel parameters and also choose to change the time delay at boot, in order to boot from the default entry. This package is intended for the use in building debian installer images only. Grub 2 normally writes its bootloader information to an area just beyond the. It will install the grubefi bootloader to the right location in the esp and will. Because it is not available via repository, we have to download the deb packages from launchpad and install the via commandline. The installer can then boot from the drive and install from the cddvd image, without. Now we are going to install grub back to the mbr, which it is what most people to do.
Apr 16, 2020 fortunately, you can manage to install grub on any windows pc running windows 10 without any hassles using an opensource tool called grub2win. In fedora, it is generally safe to edit bootgrub2 grub. If your efi based pc is not booting debian, here is an easy way to reinstall grub efi, the bootloader used. You dont need that for what you want to achieve, however keep it in mind should anything go wrong eg. New debian 3cx install grub fails 3cx software based voip. Using this approach you can chainload the onie os from the nos. Reason may be a mbr virus that corrupted grub from a ms windows partition or e. Grub v1 for debian package grub can be installed with. Move, remove or rename menuentries they stey updatable by updategrub. Ms windows installation subsequntly to the debian installation, which replaced grub in the mbr by directly starting ms windows. The command to change the grub 2 installation device or boot files is grub install run as root. When you boot into the debian installer, go through the steps until youve reached the question about installing grub.
If any of the lines is incorrect, fix it and rerun the script grubinstall. All modules are digitally signed for your security. When you see the following grub menu, select debian gnulinux live kernel 4. In addition, it can be installed on master boot record mbr, guid partition table gpt and unified extensible firmware interface uefi. Manual changes can be overwritten with grub2mkconfig when the system gets upgraded with anaconda.
Recently my hard disk went bad some bad sectors developed, my i windows xp boot file corrupted. When installing linux in this environment, the grub bootloader will overwrite the windows bootloader within the master boot record mbr. I want to install debian to the mbr disk and then dual boot. There goes your fresh copy of debian 10 in a dual boot setup with windows 10. To install grub v2, you need install the appropriate variant of grub v2, depending on your systems firmware usually grubpc, see grub2 variants.
You should now have a grub menu with both windows and debian listed. If playback doesnt begin shortly, try restarting your device. Jul 06, 2019 in addition, it can be installed on master boot record mbr, guid partition table gpt and unified extensible firmware interface uefi. Free gpl opensource license helpful bootinfo summary to get help by email or on your favorite forum safe automatic backups reliable 400. Ms windows installation subsequntly to the debian installation, which replaced grub in.
Grub 2 normally writes its bootloader information to an area just beyond the master boot record and before. For information on where grub should be installed on pc bios platforms, see bios installation in order to install grub under a unixlike os such as gnu, invoke the program grubinstall see invoking grubinstall as the superuser root. The grub configuration and related files go into devsda2, typically mounted as boot. In the next command you will need to replace sda with your hard disk. If you are keeping the system you used to install debian, just add an entry for the debian install to your existing grub2 grub. The method i use is to boot another copy of grub from somewhere bootable cd, usb stick, or network boot its easy to boot grub from any of these. In fedora, it is generally safe to edit bootgrub2g manually. Once the bootable usb thumb drive is ready, insert it into your computer where you want to install debian 10, and boot from it. Then i installed ubuntu the only dvd that i could start from uefi mode and set it to install grub to the devsda drive. In certain cases sudo updategrub might not work it happened to me when installing debian beside ubuntu in such a case i do one of the following. Once the live session starts, you can test to see if everything is working on your computer.
So i installed all my distros including debian in legacy mode. To install grub v2, you need install the appropriate variant of grub v2, depending on your systems firmware usually grub pc, see grub2 variants. Grub prints a normallooking menu, but when you try to boot linux, the boot does not succeed. Here there is a little video tour in order to discover most of super grub2 disk options. From the installation to the setup of boot menu, it makes everything easy for users of all experience levels. How to protect grub with password on debian, ubuntu and kali. The problem is that the debian installer is having a hissy fit about there being no efi partition on the mbr disk, and grubinstall fails to install. To install grub 2 to the sdx drives mbr or boot sector sda, sdb, etc. I may have to manually access the bios boot menu to do this, but it should be possible. Super grub2 disk helps you to boot into most any operating system os even if you cannot boot into it by normal means. Grub customizer is a useful ui tool for modifying the default grub boot loader settings. Typically, you would have installed grub on the mbr of the first disk. How to protect grub with password on debian, ubuntu and kali linux.
262 1137 32 306 545 776 1353 695 975 424 1149 374 67 529 811 1313 321 92 1130 1091 369 1319 1406 467 224 577 676 1156 81 174 1346 1335 161 213 1299 648 1071 1120 967 178 1477 512 444 1144