Grub beta issue with Kernal update/upgrade
On Tue, 08 Dec 2009 21:57:07 +0800, <firstname.lastname@example.org> wrote:
> Recently there was a kernal upgrade/update. I can boot my pc and get an
> option of windows or ubuntu. If I select ubuntu it puts it into a some
> beta grub...I get the command line but I'm not sure what to do now. I
> can reboot by typing reboot but that's about it. Is there a way to boot
> into a safe mode from the prompt?
> I think this is a grub error rather than the OS itself. I don't like
> these betas of grub they tend not to work for me..:-(
Hope you know what kernel you've upgraded to. If you're on Karmic 9.10,
most likely you've got 2.6.31-16 or 2.6.31-15; Do the following...
At the grub command line (after you've selected ubuntu), type
search -f /boot/grub/grub.cfg
you will see the partition where your ubuntu is , in (hd0,x)
Then type and press enter after each line
linux /boot/vmlinuz-2.6.31-16-generic root=/dev/sdax ro quiet splash
Note: "x" above as in (hd0,x) and sdax are real numbers, where "x" is
obtained from your search query.
If kernel is 2.6.31-15, amend as appropriate.
Another note: after boot up to ubuntu, you must do the following at
sudo grub-mkconfig -o /boot/grub/grub.cfg
to update and correct your grub config files.
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