What i didnt want to do was boot the mac off a debian install drive and attempt to install onto the usb drive. A boot loader is a program responsible for loading the linux kernel with optional kernel parameters and the linux initial ram disk, known as initrd. Boot from the efi boot shell for ubuntu system, others may be different. Burn the disc image like you burned the ubuntu install disc image, or copy it to a second usb flash drive. The worst of these is or was when i tested, several months ago that it always erases the esp. Debian includes edk2based vm firmware for arm64 in the qemuefi package. The mac can boot off of usb devices so i got a usb external drive and went about trying to figure out how to install debian to it in such a way that the mac would boot it. But i dont know how to set a bios entry for clover these are my bios options, it wouldnt possible be the second screen uefi drivers view attachment 186416 view attachment 186417. Dual boot macbook in efi, where install boot loader. If youve booted to macos or in nonsecureboot efi mode to linux on a uefi based pc, refind. Options may be passed to modify the default behavior. Ubuntu installation on usb stick with pure efi boot mac compatible. With a standard pc, you would have a separate efi partition.
That said, some people say it works acceptably for them, and its ubuntus default boot loader, so ubuntus installation scripts usually do a tolerable to good job of automatically configuring it. The end result should look like this, using ubuntu as an example. Grub2, refind, and clover efi bootloader are probably your best bets out of the 6 options considered. Boot manager problem failure to boot bcdedit error. While this is trivial on most pcs, it turned out not to be on an old macbook. Fixing debian uefi boot manager with debian live code bites. From all the examples i found on the web, they were either, dualboot with refit or, pure efiboot, with an uninstallation of os x and reinstallation afterwards. If your mac just boots to the login screen and you dont see the boot options menu, reboot your mac again and hold.
Fwiw, ive done test installs of debian in efi mode by using an efi boot loader to launch the installers kernel and initial ram disk. I just need to create bootable linux usb so i can install it on mac machine. The mac will boot the linux system from the connected usb drive. Reboot from the refit usb disk and eject the usb disk, then hold down the alt key and now you will see the new windows disk which is the debian grub boot loader. The early intelbased white macbooks from 2006 and 2007 came either with the 32bit intel core duo processor macbook1,1 or the 64bit intel core 2 duo macbook2,1. A boot loader does not need to interact with the user directly although it could.
Debian also configures the computers firmware to open the grub boot manager instead of entering directly into the mac os x boot loader. This is usually called boot camp and is what apple designed so that users could also install windows alongside the mac os, and setup their macbook for a dualboot. The firmware interface in both models is however 32bit uefi. Upon selecting the windows boot disk, you will see the grub menu with the debian entry. If the 2 files are present, all then you need to do is register them in the efi firmware with the efibootmgr command.
Note that for pxe booting, the client filename pxelinux. Debian user forums view topic grub and lilo both fail. On a pc, the efi partition would likely be on the primary drive and the efi files for debian. This release adds a configuration option for the default boot choice, fixes the linuxgrub detection issue, and fixes snow leopard. How to install and dual boot linux and macos getting linux running on your mac. This is normally 64bit for modern computers, although the first couple generations of intelbased macs and a handful of obscure computers use 32bit efis.
To actually boot the drive, reboot your mac and hold down the option key while it boots. There are two parts to elilo, the bootloader itself and this utility which installs or updates a bootload. These are the reasons i provided instructions for installing grub 2. There is absolutely no interaction between the two oss. Linux kernel is the core of the linux operating system, and it starts the init short for initialization process, or an init replacement such as systemd, immediately after being loaded. Tool allowing you to put a linux distribution on a usb drive and make it bootable on intel macs using efi. You can use it to boot multiple operating systems easily, including tripleboot setups with boot camp. Tails if your usb is detected as a fixed hard drive and not a removable disk, a few sandisk drives have the removable bit flipped this way, youll need to remove occurrences of the boot parameter livemediaremovable from the g file found at \multiboot\tailsamd643.
How to boot and install linux or bsd on a 2007 macbook. Installing debian linux onto an external usb drive for mac. Its part of the boot process as described on this web page. If booted from the usb stick, it will boot in efi mode and will install correctly. Macbook do not employ a bios to boot the system, but they use efi. Once grub is loaded, press c to get the grub commandlineinterface. For the server installer, you will be presented with a grub bootloader. My bios is set up to use the uefi boot order and fast boot and secure boot are disabled. Help installing a dual boot debian and mac os macbook pro 9,1. How to install kali on a usb stick with pure efi boot on a. Easy to install and setup is the primary reason people pick grub2 over the competition. Use the arrow keys to select efi boot and press enter. It requires a single usb drive formatted as fat with at least 2 gb free.
He can overwrite the debian stick and reinstall the debian again without the ubuntu stick in place, and once that is completed and running successfully, he can update grub with ubuntu in place, and reboot, and he should get a new debiancontrolled grub menu also featuring ubuntu and windows. The two installed debian architectures are i386 and kfreebsdamd64. Unetbootin downloads the ubuntu iso, converts it to an image format the mac can use, creates the boot chain needed by the installer for the mac os, and then copies it to the usb flash drive. Then mount the efi system partition esp under bootefi directory. As i understand on the z420 with this early efi implementation biosv3.
Use linux efibootmgr command to manage uefi boot menu. Then, the efi boot loader will boot it automatically after 5s. When i boot up i can select the usb stick from uefi boot order. Ubuntu installation on usb stick with pure efi boot mac. I tend to remove powerdata to windows hard drives and install both loader and linux os on the drive i wish to keep linux. What we have to do now is to load our installed kali system via live grub, because our installed system doesnt have a recognizable bootloader by macos. It can act as a standalone netboot loader for a practical example, see win32loader, or as a cdromusbdisk addon.
In order to install linux on the replacement of a crashed harddisc drive in a 2006 macbook core duo, i wanted to boot linux from a usb flash drive in order to then install it. Disk 0 and disk 1 are identical nvmepcie disks with identical data on them but it can only boot off one if i nuke the efi system partition on the other disk, the 100mb sector. Debian installer releases for jessie have uefi support only in the amd64 iso images. If your machine uses uefi to boot, you will have to specify a boot loader appropriate for uefi machines, for example.
This package provides a win32 program that can be used as a loader for debian installer, acting as a more userfriendly boot mechanism than traditional biosbased boot. He explained how to install ubuntu natively on a mac with pure efi boot. Some aarch64 machines arm64 use uboot or other options like fastboot for their firmware, but most generalpurpose arm64 machines e. The process works, but its got bugs similar to those in ubuntus efi installer. A friend recently gave me his old apple imac late 2006 after it began having graphics issues.
The latest grub has an efi mode, so that it can be used to boot linux directly from efi. That turned out to be harder than i imagined it would be there were two main problems. Using bcdedit to configure a multiboot system and add linux. Boot macos, windows, and linux on mac or pc with uefi or bios firmware. Once finished, your mac will reboot and you have to press alt again. This requires you to set up system with efi bootloader. Ensure that youre using a distribution thats the right bit depth efi runs boot loaders that are the same bit depth as the efi itself. You can use refit, some macs it is needed while others it is not.
Debian installs grub, a boot manager and loader, on the hard drives efi partition. This assumes that bootefi is your efi system partition, and is mounted at devsda1. 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. This web page is provided free of charge and with no annoying outside ads. Then make sure it has the efi version of grub boot loader installed. Ive never used a mac so im not sure how this would work. You should see a osx entire in the grub menu but it might not work and will need corrected. The system boot loader and the efi firmware that supports it have a full filesystem to store the files necessary for booting the machine. Install debian on external drive postable install with. For these reasons, grub 2 is the efi boot loader that i favor least. This means that the system disk on an ia64 system has an additional disk partition dedicated to efi instead of the simple. Efi linux boot loader elilo was the legacy efi linux boot loader for ia64ipf, ia32x86. The unetbootin utility creates the live ubuntu installer on the usb flash drive. I was trying to install on a really old pc for use as a server and it would hang at the usb boot menu when i.
This is the mac linux usb loader, a tool allowing you to take an iso of a linux distribution and make it boot using efi. You can then try to install refind as your bootloader in the hard drive, following the. Create live debian usb with mac linux usb loader will boot on newer macs, but not on macbook2,1 ive seen something about manually putting a gpt table on the usb drive, or creating a separate efi partition, but since its more technical and time consuming i didnt get around to it. The refit boot menu and toolkit 2 must be installed on the system before linux could be installed although there are probably ways around having to install refit. Debian user forums view topic grub boot loader on debian 9. When installing ubuntu linux on an intelbased macintosh, most people follow any of several. As root, cd to the bootefiefi directory of your vm in order to create the new boot directory and copy the existing grubx64. These include other efi boot loaders that exist on the esp, efi boot loaders in a macs main partition, and as biosstyle boot code detected in the disks mbr and partitions boot sectors.
The result was a mac mini that would boot ubuntu trusty in pure efi mode, with no refind and no os x, and with an ubuntu entry in the macs bootloader menu. Before freecycling it, i wanted to try to boot linux on it, just for kicks. Boot into the linux distro that doesnt have ufei boot entry. This creates a new boot option, called linux, and puts it at the top of the boot order list. You can check to be sure the efi partition devnvme0n1p1 does have efidebian folder with the 2 files vmlinuz and initrd. For an efi install the grub loader must be in a efiesp partition. Debian jessie makes a biosgrub partition that shows up on the mac pro optionpoweron or optionreboot sequence that actually starts up grub2 which then selects a system and boots either the i386 or kfreebsdamd64 systems. Neither refit nor refind is technically a boot loader, although the linux kernel creates a blurred line, because it includes a feature the efi stub loader that enables it to function as its own efi boot loader.