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Old 05-23-2013, 07:49 AM   #1
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GRUB boot fails returning "Error 15: File not found" on Centos 6.3

Hi All,

Operating system :Centos 6.3
Box : HP-Pavilion

My server fails to boot after patching .Im aware that i can rescue using ISO image .

Need help how can i rescue the server using centos iso image in ILO console.

Last edited by LittleMaster; 05-23-2013 at 07:50 AM.
Old 05-23-2013, 08:02 AM   #2
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I'd post your grub config file and a capture of your console from boot to where it issues the complaint. It may be that grub is pointing to an incorrect name or location.
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Old 05-24-2013, 04:01 AM   #3
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If latest boot image is not in recovery mode list (press Esc before boot), put it in /boot/grub/menu.lst (If you are using grub 1)
Put values for new image same as bottom images with new image name.
Put same UUID.

Check GRUB's version
$ grub-install -v
If your new kernel header is not booted properly, you should new kernel file in /boot directory as vmlinuz-kernelversion-generic
If you are using grub (not grub2), then you can see a file /boot/grub/menu.lst
your new kernel entry should be here in this file other wise it does not boot new kernel.
but if you are using grub2 then menu.lst will not be there, it uses grub.cfg.
Check /boot/grub/grub.cfg, your new kernel entry should be here in this file.
it looks somethinglike this

menuentry 'image-name' --class distro-name --class gnu-linux --class gnu --class os {
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set=root 1ccba539-eed4-43f4-967f-263ffa57db10
linux /boot/vmlinuz-3.2.0-32-generic root=UUID=1ccba539-eed4-43f4-967f-263ffa57db10 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.2.0-32-generic

The new kernel entry will always be on top of menuentry attribute.
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