I have an unconventional installation with 3 partitions containing two Yosemite Have a look at Macbook revival playground. I used this guide recently and it worked quite well.
Partition Your Mac
I modified the instructions slightly because I installed on an external drive. In a nutshell, this is the process described in the guide:. Ubuntu Community Ask! Sign up to join this community.
mac refit linux
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Nelson H. Sure you can!
Eliah Kagan Note: If you use the method outlined in the doc, add a buffer block to the command or it will take forever! Install Ubuntu; this guide has a pretty good summary of how to do the install in a safe way so as not to risk ruining your OS X installation. Create a grub config file that your boot loader will use.
You can create your custom partition layout here or exit gParted and start the Ubuntu Installer and use it's partitioner to do the dirty work. Proceed through the install as normal Proceed to the documentation for your specific mac version to configure additional drivers and fix any issues. Boot Camp 4. Use gparted to delete the partition you just made in OS X. Deleting it will leave an area called unallocated. This is free space, and exactly what you want. Use gparted to manually partition the space on your drive for Ubuntu.
Then the rest of the unallocated area format as EXT4. Start the Ubuntu Installer from the desktop icon. When prompted, choose to manually partition. Select the EXT4 partition and click change. You will also want to check the box to format the partition. Reboot when done with the install, and in the rEFIt menu, choose the partition tool. It will attempt to sync the partition tables on your disk. You should be able to boot to Ubuntu now. If it seems to freeze on the tux logo, completely shutdown again and try one more time. You will need it after installing to sync partitions, once you have done that and Ubuntu works, then you can uninstall it.
If you do not see the rEFIt boot menu when starting your Mac on the second reboot It takes two reboots to apear after using the package installer , it is not installed properly! Of course, we would like to do this non-destructively without wiping out the partition you have already.
With Leopard, this is quite easy as Apple has provided a nifty little tool that will shrink your OSX partition and create a Windows partition in the freed space which we can convert to Linux partitions later. BootCamp is probably the easiest way to accomplish what you need. At this point, we are really just allocating the space you want for Ubuntu. The actual Linux partitions will be created later during the installation.
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For pre-Leopard OS X, there are no such tools. BootCamp does not run, and Disk Utility will only allow you to create more partitions if you wipe out all the current partitions. However, the underlying commandline utility still exists. Here's a usage example. You would open a terminal and type the following, followed by the "Return" key. You can choose bit or bit, the choice is yours. If you want to see the pros and cons, you can check out the sticky. Core 2 Duo machines can use bit or bit ISOs. Instead, you burn the image onto a disc.
How to Natively Boot Linux on Your Mac
It's kind of like mixing Cool-Aid. You don't just drop the packet ISO into the water disc , you must open the packet and dump the contents into the water. If you do not see this option, try pressing the Option key when your computer starts. Booting into Ubuntu this way takes many minutes, including a minutes-long period where Ubuntu appears to have locked up on the boot menu. Most likely it has not. Just wait! If you press function f6 at the boot options screen you can choose that option.
Re: Ubuntu on Mac: Dual-boot and Single boot?
Note 2: I had to press function f6 when I saw a man and keyboard. Once booted, you have a Ubuntu desktop. This will be the only partition with the EXT4 file system.
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When the installer is finished, reboot. Fix the Partition Tables There is a bug in the installer that causes a problem on Macs. It can be fixed with rEFIt. If you don't have an English keyboard, note that the keys "Z" and "Y" are swapped in the partition tool. For suggestions on other ways to fix the table, see the discussion at Ubuntu on MacBookPro - difficulties w partition tables. This is best explained in this post - boot a live Ubuntu CD the instructions say this is also possible from an OS X terminal , install and run the gdisk tool as the instructions say.
You should now be able to boot into Ubuntu. This is the reason why some extra attention is needed for partitioning layouts in Intel Macs to get what you want. Mac OSX can be installed on an external drive, and Linux on an external is possible with the installation of a small boot partition on the HD. If Windows is installed, rules apply to choice of partition, and this depends on Windows version Vista or XP.
Some methods used for Vista will not work for XP. It is not intended to detail all the possible combinations here, but some general rules and examples of multi-booting partition arrangements and tools required are shown to help you choose. Some of these require extra enthusiasm, and the more complex, the more need for backup. This screen shot shows an example OSX The external drive was partitioned the same way. This method requires careful choice of partition formats if MS Windows is involved.
The following screen shot shows the same partitoning and resizing options as seen in ubuntu desktop gparted. Install windows normally. Start your computer with the Ubuntu disk in the drive. Install Ubuntu by partitioning the boot camp drive that Windows is located on, and install both Ubuntu and GRUB bootloader onto the new partition. This will allow you to boot into every operating system on boot. Shrink OSX to final size, make empty partition with room for ubuntu. This has not been tested.