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Re: editing grub in lenny to boot from ext4 partition



Umarzuki Mochlis wrote:


2010/3/10 Andrei Popescu <andreimpopescu@gmail.com <mailto:andreimpopescu@gmail.com>>

    On Wed,10.Mar.10, 00:27:19, Umarzuki Mochlis wrote:
     > So now i had installed grub2 and it does not automatically
    detects a distro
     > i had installed (before installing debian) on /dev/sda3
     >
     > I saw this message on /boot/grub/grub.cfg
     > # DO NOT EDIT THIS FILE
     > #
     > # It is automatically generated by /usr/sbin/grub-mkconfig using
    templates
     > # from /etc/grub.d and settings from /etc/default/grub
     >
     > and do i proceed from here?

    Install os-prober and re-run update-grub.


Thanks, the following is the steps taken (which is successful, of course)

   1. mount /dev/sda3 (the ext4 os partition) "tune2fs -E test_fs
      /dev/sda3;Â mount -t ext4dev /dev/sda3 /mnt/"
   2. copy its menu entry entry in /mnt/boot/grub/grub.cfg
      to /etc/grub.d/40_custom
   3. run update-grub (it should say that it detects the other os's kernel)
   4. new entries for that os will be appended in /boot/grub/grub.cfg


Another way to boot an ext4 system is to add 'rootfstype=ext4' to the kernel line in the /boot/grub/menu.lst.
--
Jimmy Johnson

SimplyMEPIS 8.5 RC-2 at sda9
Registered Linux User #380263


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