When to run "update-grub" ?

Discussion in 'all things UNIX' started by Ocky, May 20, 2009.

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  1. Ocky

    Ocky Registered Member

    May 6, 2006
    George, S.Africa

    I asked this in the above post but am still not sure whether to run 'update-grub'
    after editing the menu.lst by adding another debian (Ubuntu) as chainloader
    to the existing Ubuntu menu.lst.
    I have a strong feeling that it should not be done....:argh:
    If so under what conditions would one run 'update-grub' ?
    Also is it better to share existing swap partition or have a separate one for
    each distro ? They would be on separate drives.

  2. Mrkvonic

    Mrkvonic Linux Systems Expert

    May 9, 2005
    Why should you run update-grub? GRUB is dynamic unlike LILO, so no need to do that. That would only be important if you want to use another OS stage1 than the one you currently use, which is unnecessary.

    As to swap, I used to use and use a single swap on my triple boot ans linux-only dual boot systems. Unless you need to copy raw binary data off swap ... :)

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