Aug 29, 2013 1) Better install rEFInd on EFI partition, since around 200 MB of unused disk space is sitting idle there. Also use “ bootx64.efi ” file, which makes things a lot easier for Mac machine’s Startup Manager. 2) For Windows or Linux installation, check rEFInd installation document page. 3) Copy a desired.icns file from “EFI - boot - icons” folder in rEFIt or rEFInd and paste it on to USB Stick’s. Sep 21, 2014 How to Install rEFInd on Mac Max McCarthy. Unsubscribe from Max McCarthy? How to install rEFInd on Windows - Duration: 2:45. Gonzalo Peral 2 16,498 views. How can the answer be improved? Apr 18, 2013 I've found that using rEFInd from a FAT volume (like the esp volume) takes 30 seconds longer to load than if it was on an HFS volume (using Mac Pro 2008). Using an HFS volume has other benefits. HFS has a place to store the location of the currently blessed system file.
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While installing Ubuntu on a Mac, should I install it under EFI or BIOS?I'm using rEFInd, trying to install Ubuntu 15.10
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Most of the installation process is identical for EFI-mode versus BIOS-mode installations. They differ in three ways:
IMO, installing a 32-bit OS on a 64-bit CPU seldom makes sense these days. One notable exception is some fairly early Intel-based Macs, which have 32-bit EFIs. Thus, the first point is unimportant for most users. As noted earlier, an exception is if you've got one of the rare Macs with a 32-bit EFI (from roughly the first year of Intel-based Mac production).
The second point is easy to change, and so doesn't bear much consideration, provided you understand how to edit
/etc/fstab . If you don't understand this topic, see this page.
The boot loader issue is the big one. To launch a BIOS-mode boot loader, Macs require that your disk use an MBR partition table or a GPT with a hybrid MBR. OS X is normally installed to GPT, which means that if you're dual-booting, you'll need a hybrid MBR to dual-boot with a BIOS-mode boot loader. Please read the link earlier in this paragraph. It describes hybrid MBRs in more detail, including why they're so DANGEROUS. For this reason alone, I strongly advise against using a BIOS-mode install of Ubuntu if you're dual-booting with OS X.
If Ubuntu is to be the only OS on the computer, though, you can use a straight-up MBR (with no GPT) and install in BIOS mode. This is likely to work better than an EFI-mode installation, but it will limit your options if you subsequently decide you want to dual-boot after all. It will also make it harder to update the computer's firmware, should that ever be necessary.
Getting back to dual-booting, if you install Ubuntu directly in EFI mode, it will try to install an EFI-mode version of GRUB. This may work fine, and may enable you to dual-boot with OS X by using GRUB's boot menu. This configuration will bypass rEFInd (unless you re-install it). I've seen reports of this configuration not working, though; the system will boot straight to either OS X or Ubuntu, making it difficult to boot the other OS.
If you want to keep using rEFInd, the safest approach is:
The result of this procedure is that, when you reboot, rEFInd should come up and give you the option of booting either OS X or Ubuntu. One caveat is that the Ubuntu option will require some tweaking if you use a separate Rod SmithRod Smith
/boot partition. You can boot on a one-time basis by hitting F2 or Insert twice, rather than Enter, once the Ubuntu option is selected. You can then add ro root=/dev/whatever , where /dev/whatever identifies your root (/ ) filesystem. Once you've booted Ubuntu, run the mkrlconf script that comes with rEFInd. This will generate a file called /boot/refind_linux.conf , which will obviate the need to make these changes.
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Installing Windows on your Mac is easy with Boot Camp, but Boot Camp won’t help you install Linux. You’ll have to get your hands a bit dirtier to install and dual-boot a Linux distribution like Ubuntu.
If you just want to try Linux on your Mac, you can boot from a live CD or USB drive. Insert the live Linux media, restart your Mac, press and hold the Option key, and select the Linux media on the Startup Manager screen.
We installed Ubuntu 14.04 LTS to test this process.
Install rEFInd
RELATED:How to Install Windows on a Mac With Boot Camp
Install Refind On Usb
rEFInd is a boot manager that will allow you to choose between Mac OS X, Linux, Windows, and other operating systems when you boot your computer. Installing rEFInd makes the dual-boot process easier. (Some older how-to’s will instruct you to use rEFIt, but it’s no longer maintained. rEFInd is a currently maintained boot manager based on rEFIt.)
Full-disk encryption causes problems with rEFIt, so you’ll need to disable full-disk encryption or do some extra work before installing rEFInd.
First, visit the rEFInd page on SourceForge and click the Download button to download the latest refind-bin-[version].zip file. Open a Terminal window by pressing Command + Space and, typing Terminal, and pressing Enter. Drag and drop the install.sh file from the downloaded zip file into the terminal window and press Enter to run it.
Refind For Windows
Shut down your Mac — a full shut down, not a restart — and boot it back up again. You should see the rEFInd boot manager screen.
Partition Your Mac
You’ll now need to resize your Mac OS X system partition to make room for your Linux distribution of choice. From within Mac OS X, press Command + Space, type Disk Utility, and press Enter to open the Disk Utility. Select your Mac’s hard drive in the list on the left and select Partition on the right.
RELATED:Beginner Geek: Hard Disk Partitions Explained
Shrink the current Mac OS X partition to make space for your Linux system. How much space you want for Linux is up to you. Ubuntu’s system requirements say it requires at least 5 GB of space, but something like 20 GB is much more reasonable. Drag and drop the handle on the partition volume or enter a final size for the partition and click Partition to partition it.
Don’t create a new partition after shrinking your current partition — just leave the space empty for now. Switching to the mac the missing manual sierra version.
Boot and Install Linux
You’ll need Linux installation media to continue. For example, if you’re using Ubuntu, you’ll need to download an Ubuntu ISO file — download the “64-bit Mac” version. Burn the ISO to disc or follow Ubuntu’s official instructions to create a bootable USB drive from the ISO file.
Restart your computer and rEFInd will appear. Select the USB or disc drive containing the Linux system and boot it on your Mac.
Launch your Linux distribution’s installer and go through the installation process. On Ubuntu, launch the Install Ubuntu application from the desktop and install Ubuntu as you normally would. Be sure to select the “Install Ubuntu alongside Mac OS X” option instead of overwriting your Mac OS X system with Ubuntu. The installation process should otherwise be normal.
Whenever you boot your computer, you’ll have the ability to choose between Mac OS X and Linux on the rEFInd boot manager screen.
Depending on your Mac, some hardware components may not work perfectly on Linux. This depends on the version of Linux you use, how recent it is, and what Mac hardware you’re using. If something doesn’t work, you may have to perform some Google searches with the model and year of your Mac as well as the name and version of the Linux distribution you’re using. Other users have probably dealt with the same problems before you, and they’ve probably written guides to making everything work.
How to Remove Linux and rEFInd
RELATED:How to Wipe Your Mac and Reinstall macOS from Scratch
If you decide you no longer want to dual boot Linux on your Mac, you can remove Linux fairly easily. Boot into OS X, open the Disk Utility, and delete your Linux partitions. You can also boot from your Linux USB media and use the GParted partition manager to remove these partitions. After the partitions are deleted, you can enlarge your Mac OS X partition afterwards from the Disk Utility in OS X to reclaim the space used for Linux.
If you installed Linux as the only operating system and replaced Mac OS X, you’ll need to reinstall OS X on your Mac if you want to leave Linux behind.
To remove the rEFInd boot manager, follow rEFInd’s uninstallation instructions. You don’t have to remove rEFInd — your Mac will continue working fine with rEFInd installed even if you remove Linux.
The rEFInd bit isn’t mandatory, but you’ll have to perform other tweaks to make Linux boot properly on a Mac if you opt to not use rEFInd. While Apple makes installing Windows easy through Boot Camp, they don’t provide any simple solution for installing Linux.
Image Credit: Brandon Nguyen on Flickr
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