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I plan to install Ubuntu 13.10 twice on the same HDD. The reason is each installed OS will have filesystem tweaks different from the other.

Below is my plan:

  • First primary (bootable) partition will hold grub bootloader of the first installed OS.
  • Second primary (bootable) partition will hold grub bootloader of the second installed OS
  • First logical (non-bootable) partition will hold the first installed OS.
  • Second logical (non-bootable) partition will hold the second installed OS

Will my computer become confused if I install two grub bootloaders of the same OS on to the same partition? That is why I install each grub bootloader in a separate partition, is that right?

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Filesystem "tweaks"? You can do what you want to on your computer, but your reasoning seems specious to me. –  Elliott Frisch Mar 21 at 14:50
    
@Elliot Frisch: The reason for doing so is to be found in the following link: askubuntu.com/questions/434655/… –  n00b Mar 21 at 16:00
    
I answered your question there. Use a chroot. –  Elliott Frisch Mar 21 at 17:03
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1 Answer 1

Why not share grub (in the MBR) and swap? This can be accomplished fairly easily by installing, leaving some space... and then installing again into that free space.

There's no reason to keep two copies of grub clattering around.

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I am new to Linux. Please show me how to share grub (in the MBR), swap, leaving some space.... –  n00b Mar 21 at 16:02
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