Install ubuntu from partition mac

Do not change the partition size. Select the partition which was created for Ubuntu installation.

Install rEFInd

Select the free space as shown below. When finished, restart and hold down the option key to invoke the Startup Manager. Select to boot from the macOS volume. Now installation is complete. Mount the EFI System partitions by entering the commands given below. Remove the folders and files that were added to the EFI volume during the Ubuntu installation i. Copy the file grubx 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.

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.

[Tutorial] Install Linux (Ubuntu) on USB drive for use with a Mac | MacRumors Forums

Core 2 Duo machines can use bit or bit ISOs. Instead, you burn the image onto a disc. 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. 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. 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.

Create Space on the Drive for Ubuntu

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.

How to Install Linux on a Mac

BIOS emulation is expedient, and it's the only way that most versions of Windows can boot directly on a Mac, but it's got several drawbacks:. If you don't use these features, you won't see their problems. I've seen numerous problems reported at the Ubuntu Forums related to Ubuntu installations on Macs with hybrid MBRs, and more problems with similar configurations elsewhere. See my hybrid MBR Web page for a technical description of what they are and what can go wrong with them. In short, they can get out of sync, cause confusion about which partition is which, and become damaged in frustrating ways.

You're better off without one, if that's possible—and it is, if you dual-boot OS X and Linux but not Windows. Note: My own Mac Mini is an early bit model. Therefore, I can't speak to issues that are specific to bit Macs. I believe the instructions on this page will work for them, although you should pay attention to the caveats presented in the next section. The trouble is that Ubuntu doesn't support installing to a Mac in EFI mode, at least not as of version Some sources claim that this now works on some later versions, but I haven't tested this claim—indeed, I lack the hardware to do so!

The bit Ubuntu installation discs lack EFI support. Ubuntu has also released bit disc images for Macs. Ironically, these boot only in BIOS mode! Therefore, to rid your computer of the dangerous hybrid MBR, you'll need to jump through some hoops. An alternative to all of this is to run Ubuntu in a virtual environment, such as VirtualBox. This can be a good solution in some cases, but it doesn't give Linux direct access to the hardware and you'll lose some speed.

These include:. Note: Enthusiasts have been working to get Windows to boot in EFI mode on Macs, with some progress and considerable pain. See this thread on MacRumors, for example. This goal appears to be more attainable with Windows 8 than with Windows 7, and success depends on your specific Mac model. It's possible that your preferred distribution already supports direct EFI installation, in which case the problem of installing to a Mac in EFI mode may not exist. Check your distribution's documentation to be sure.

I've tested this procedure only on my first-generation Intel-based Mac Mini. It's possible that the bit version has different requirements, or you may need to do things differently on newer bit Macs.


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Note: For some reason, although I was able to install Ubuntu If you have this problem, you'll have to install rEFInd before you can install Ubuntu. With these items in hand, you can proceed with installing Ubuntu, and then fix it up so that it doesn't use a hybrid MBR.


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  • If you've already got a working dual-boot configuration with OS X and Ubuntu, you can skip this section and jump ahead to "Fixing the Installation. When the installation finishes, the computer will reboot—straight into Mac OS X!