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bender_singh
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PostPosted: Tue Apr 30, 2013 8:55 pm    Post subject: Error 15: File not found Grub installer Reply with quote

Hi, I am new to this forum and i just got done installing gentoo minimal install using virtual box and i got to the final step which was rebooting the system. When i did that and unchecked boot from iso it pops up the bootloader but when i press enter it says Error 15: File not found Press any key to continue. Can somebody please help me fix this issue? I am installing gentoo for my final exam that is due Thursday which is worth a huge grade. Any help will be appreciated!!
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DONAHUE
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PostPosted: Tue Apr 30, 2013 9:46 pm    Post subject: Reply with quote

boot the cd, mount the gentoo partitions, enter the chroot, nominally:
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
mount -t proc none /mnt/gentoo/proc
mount --rbind /sys /mnt/gentoo/sys
mount --rbind /dev /mnt/gentoo/dev
chroot /mnt/gentoo /bin/bash
source /etc/profile
export PS1="(chroot) $PS1"
Then
Code:
emerge grub
grub
find /boot/grub/stage1
the return to the last command will be in the format (hdx,y) substitute the returned values for x and y in the following:

Code:
root (hdx,y)
will tell you the file system on the boot partition
Code:
setup (hdx)
will tell you sectors embedded and success
Code:
quit
edit /boot/grub/grub.conf to: (nominally)
Quote:
default 0
timeout 5
#splashimage=(hd0,0)/boot/grub/splash.xpm.gz

title Gentoo
root (hd0,0)
kernel /boot/<the name you gave the kernel exactly as found by running ls /boot> root=/dev/sda3

make a graceful exit:

Code:
exit
cd
umount -l /mnt/gentoo/dev{/shm,/pts,}
umount -l /mnt/gentoo{/boot,/proc,}
reboot


if you have more than one disk, are using a vm, lvm, raid, partitions not as in the handbook, or some other variation you might mention if problems persist
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bender_singh
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PostPosted: Tue Apr 30, 2013 11:22 pm    Post subject: Reply with quote

When i try to boot it i get this

Booting 'Gentoo Linux 3.7.10-r5'

root (hd0,0)
Filesystem type is ext2fs, partition type is 0x83
Kernel /boot/kernel-genkernel-x86-3.7.10-gentoo-r5 root=/dev/ram0 real_root=/dev/sda3

Error 15: File not found

Press any key to continue...

When i press continue and press c for command prompt it gives me grub>
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DONAHUE
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PostPosted: Tue Apr 30, 2013 11:39 pm    Post subject: Reply with quote

Quote:
Kernel /boot/kernel-genkernel-x86-3.7.10-gentoo-r5 root=/dev/ram0 real_root=/dev/sda3
kernel not Kernel

and this line should normally be followed by an initrd line as in
Quote:
initrd /boot/initramfs-genkernel-x86-3.7.10-gentoo-r5


boot gentoo minmal install cd or sysresccd and mount the gentoo partitions, then run
Code:
wgetpaste /mnt/gentoo/boot/grub/grub.conf
wgetpaste /mnt/gentoo/etc/fstab
fdisk -l | wgetpaste
ls -l /mnt/gentoo/boot | wgetpaste
post the url's returned

edited to correct paths
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Last edited by DONAHUE on Wed May 01, 2013 2:39 am; edited 1 time in total
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bender_singh
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PostPosted: Wed May 01, 2013 12:35 am    Post subject: Reply with quote

Know to do the steps u mentioned do i have to follow this? http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?chap=4&part=1 i forgot, how do u mount the partions again? i confused right know
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DONAHUE
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PostPosted: Wed May 01, 2013 12:58 am    Post subject: Reply with quote

Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot

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bender_singh
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PostPosted: Wed May 01, 2013 2:01 am    Post subject: Reply with quote

ok, first boot gentoo and enter the following commands in
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
Then post these following commands in?
Code:
wgetpaste /boot/grub/grub.conf
wgetpaste /etc/fstab
fdisk -l | wgetpaste
ls -l /boot | wgetpaste
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DONAHUE
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PostPosted: Wed May 01, 2013 2:36 am    Post subject: Reply with quote

boot gentoo cd then run
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
wgetpaste /mnt/gentoo/boot/grub/grub.conf
wgetpaste /mnt/gentoo/etc/fstab
fdisk -l | wgetpaste
ls -l /mnt/gentoo/boot | wgetpaste
post the url's returned

good catch, good question
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bender_singh
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PostPosted: Wed May 01, 2013 2:43 am    Post subject: Reply with quote

when hitting enter on the following command i get
Code:
/usr/bin/wgetpaste: /boot/grub/grub.conf No such file found
.
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DONAHUE
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PostPosted: Wed May 01, 2013 2:47 am    Post subject: Reply with quote

boot gentoo cd then run
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
wgetpaste [b]/mnt/gentoo[/b]/boot/grub/grub.conf
wgetpaste[b] /mnt/gentoo[/b]/etc/fstab
fdisk -l | wgetpaste
ls -l[b] /mnt/gentoo/[/b]boot | wgetpaste
post the url's returned

I screwed up making it easy; note the change in path in my corrected versions
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bender_singh
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PostPosted: Wed May 01, 2013 2:49 am    Post subject: Reply with quote

what does the b in the bracket stand for? if i cant get it can i just sent u the virtual box image and can fix it for me?
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DONAHUE
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PostPosted: Wed May 01, 2013 3:18 am    Post subject: Reply with quote

boot gentoo cd then run
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
wgetpaste /mnt/gentoo/boot/grub/grub.conf
wgetpaste /mnt/gentoo/etc/fstab
fdisk -l | wgetpaste
ls -l /mnt/gentoo/boot | wgetpaste
post the url's returned

once more
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bender_singh
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PostPosted: Thu May 02, 2013 2:45 am    Post subject: Reply with quote

I cant get it to work, can i send u a PM and can u fix it for me?
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DONAHUE
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PostPosted: Thu May 02, 2013 5:59 am    Post subject: Reply with quote

enter your virtual machine, boot the gentoo cd or sysresccd to a network connection, mount the gentoo partitions, run
Code:
mount /dev/sda3 /mnt/gentoo
mount /dev/sda1 /mnt/gentoo/boot
wgetpaste /mnt/gentoo/boot/grub/grub.conf
wgetpaste /mnt/gentoo/etc/fstab
fdisk -l | wgetpaste
ls -l /mnt/gentoo/boot | wgetpaste
post the url's returned
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