Hot answers tagged triple-boot
10
The limiting factor is probably the available disk space or the number of partitions you can create.
You can have three and more OSs installed, though I am not sure that W8 is a good candidate at the moment. It might not play nicely with other bootloaders, like Grub or EasyBCD.
Performance is unrelated to the number of OSs installed.
4
You should be able to do so - grub will recognise and add them to the boot list for you.
https://help.ubuntu.com/community/GraphicalInstall
https://help.ubuntu.com/community/WindowsDualBoot
3
You can't do it via the Windows boot manager. You can only do it with the manual switching (as you are apparently doing) or via a custom grub entry.
Step by step:
install first release (either 11.10 or 12.04)
copy \ubuntu directory to \ubuntufirst (or to be quicker, rename to \ubuntufirst, and then create a new \ubuntu directory with uninstall-ubuntu.exe, ...
3
If you want to use the OSes in parallel, you might consider installing only one OS directly (e.g., Ubuntu/Linux) and then run the other OSes inside a virtual machine such as VirtualBox or VMware Workstation.
Virtual Machines allow you to run multiple OSes in parallel without the need of partitioning the disk accordingly. They even allow you to share folders ...
3
To make grub recognise other OSes, os-prober needs to be installed and the related GRUB configuration file needs to be existent and executable.
Make sure you've os-prober installed:
sudo apt-get install os-prober
Running stat -c%A /etc/grub.d/30_os-prober should give -rwxr-xr-x. If it's not executable (i.e. missing the x), make it executable by running:
...
2
I assume this is all on 1 hard drive.
Yes you will need to update GRUB.
Boot into 10.10
Format the 15GB partition
Update GRUB
update-grub2
Next time you boot the 11.10 GRUB option should be gone and you'll be left with 10.10 and windows.
2
Ah, I need to run grub-install rather than update-grub.
Some googling around for documentation yielded the insight that update-grub just writes a new configuration file. What I've been trying to do is to put a new boot loader into the beginning of my Ubuntu partition.
I have the following partitions:
/dev/sda1 EFI FAt (Empty; required by UEFI Spec)
...
2
You might be able to do it by not using BootCamp. Bootcamp uses the Mac's EFI Compatibility Support Mode that turns your disk from a GPT one to a hybrid MBR which brings with it a whole swag of problems (one of which you have discovered being the 4 partition limit - others include slow boot times, limited multi gpu support, limited partition sizes).
Your ...
2
Completely possible and has been done before.
http://lifehacker.com/5531037/how-to-triple+boot-your-mac-with-windows-and-linux-no-boot-camp-required
I wish you good luck with your near-universal compatibility.
2
Win8 will likely override GRUB so it won't be possible to boot into Ubuntu. Keep Ubuntu LiveCD handy :) The process will include booting from the LiveCD after installing Windows and then using one of the methods of restoring GRUB described here
After you make your Ubuntu bootable again, you run update-grub to regenerate the config - after this the new ...
2
There are really three issues:
Boot loader location -- Boot loaders may be located on the primary disk's ESP, on the secondary disk's ESP, or on non-ESP partitions on either disk. Officially, the EFI spec allows the firmware to launch a boot loader from any ESP, but in practice non-ESP locations also often work if the partition in question uses FAT or if ...
2
Boot using live cd or usb.
Use boot-repair to reinstall the grub.
By default grub OS- prober should be able to detect all other OS and list them.
You can choose the default loader in the boot-repair tool.
https://help.ubuntu.com/community/Boot-Repair
1
One suggestion to your problem: Virtual machines. :)
Windows 8 will recognize your windows 7 installation but won't recognize the ubuntu installation. It's best to first install all of your windows installations from old to new. for example: first windows XP, second windows 7 and then windows 8 and afterwards your linux. Linux always recognizes the windows ...
1
This is perfectly safe, but you want to know what you're doing. Keep in mind that you may only have four primary partitions on each disk. With one partition for XP, and three total for your Linux partitions (two regular partitions for the system and one swap partition), you have four partitions and won't be able to safely add any more. If you do wind up ...
1
By default wubi will remove the existing install prior to installing the second.
The best you can do is to install Kubuntu inside your Ubuntu and then choose at login which to use.
If you find there is not enough room it is possible to increase the size of the wubi disk - https://wiki.ubuntu.com/WubiGuide#How_do_I_resize_the_virtual_disks.3F
Search for ...
1
Figured this one out myself. The problem was in settings for easybcd and grub. I achieved my goal by "hiding" the grub boot menu from within Ubuntu. Also, when editing entries in easybcd, I checked the "skip boot menu" option. I restarted and it booted straight to the pretty blue Win 8 boot menu.
1
You only need to install a bootloader (grub) once. It will then automatically detect and all you to boot all the OSes on your machine.
If you wanted to do a clean install of grub, but into the ubuntu liveCD and try this, replacing /dev/sda1 with the partition that has ubuntu on it:
sudo su
mkdir /mnt/root
mount -t ext4 /dev/sda1 /mnt/root
...
1
It would help to have more detailed information about how your GRUB and Windows boot configuration are currently setup on your MacBook. I suggest you try this:
Boot into the Ubuntu you installed on your MacBook.
Create a Bootinfo Summary using the boot_info_script.
Copy the summary into a pastebin (For example, http://paste.ubuntu.com).
Edit your question ...
1
create entry in 40_custom(don't remove anything) in directory /etc/grub.d
gksudo gedit /etc/grub.d/40_custom
add an entry like this
menuentry "Windows 7" {
set root=(hd0,3)
chainloader +1
}
Modify the set root value of course. Determine the hdd by typing: sudo fdisk -l . For example, /dev/sda1 is (hd0,1) if its on the second HDD: /dev/sdb1 >> ...
1
I suppose your GRUB is corrupted.I have myself also a triple (Vista, Ubuntu 11.04 and Ubuntu 12.04). Boot with the boot CD and let fix it automatically. Try to repair the GRUB it with the boot-repair CD. You can look here: https://help.ubuntu.com/community/Boot-Repair
1
This is what I did to get my system working with Windows 7, Fedora 17 and Ubuntu 12 installed (in that order). During the Ubuntu installation, I made sure not to over-write the master boot record. Hence I used the Fedora grub 2.
I think that grub2 magically looks through the mounted file systems looking for OSs that it can boot; hence you need to make sure ...
1
There are 2 ways to accomplish this. The easiest way is to boot from your Ubuntu Live CD or USB device.
Once the Ubuntu desktop has loaded, start Disk Utility (gparted).
Next, find your Ubuntu partion(s) and format them all as free space. Next, resize your Windows partition (NTFS) to consume the rest of the disk. Accept the operations and wait for a ...
1
Here's how to do it:
Make sure it will not go beyond the 4 primary partitions, otherwise, your PC will not boot up.
You can make extra partitions with the Gparted tool, but it will not aloww more than 4 primary partitions, (more extended parititions are allowed )
After making the sufficient space for Windows 8 then
Install Windows 8
Now you notice that ...
1
There's no difference between dual-booting and triple- (or quadruple- etc.) booting, at least when the OS being installed is Linux - you just prepare an empty partition and install your OS there.
Supposedly, the GRUB will be re-installed so its second stage will be on the partition of the last installed OS, but it should find all other OSes and add them to ...
1
Make sure it will not go beyond the 4 primary partitions; if so then your PC will not boot up.
You can make extra partition with GParted--up to four primary partitions, or up to three primary partitions plus an extended partition that acts as a contained for logical partitions. This way you can effectively have more than four partitions.
Make sure you have ...
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