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[Tom <question78969@xxxxxxxxxxxxxxxxxxxxx>]

Question #78969 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/78969

    Status: Open => Answered

Tom proposed the following answer:
That is all done for now :))
When you update openSUSE you might find that you can't reboot into it.  This will be because the kernel numbers will have been updated.  Try this

cd /boot
ls

and look for files "initrd.img" and "vmlinuz", note that the numbers
after those names are the same as the numbers in the simplified

    kernel /boot/vmlinuz-2.6.28-14-generic root=/dev/sda6 ro quiet splash
    initrd /boot/initrd.img-2.6.28-14-generic

This part "/boot/vmlinuz-2.6.28-14-generic" is an address of a file and
so is this "/boot/initrd.img-2.6.28-14-generic".  When you update
openSUSE you might get a newer better kernel and you'll notice that new
files appear in "/boot" with the only difference being this number
"2.6.28-14-generic".  So if you have trouble booting into openSUSE after
updating it then just edit your "menu.lst" again to correct those number
for the openSUSE sections.

The Ubuntu sections will automatically be updated "automagically", at
least they will in the Ubuntu's menu.lst :)

Anyway feel free to ask in here or in the openSUSE forums
http://forums.opensuse.org/
when this happens.  Just make it clear that you dual-boot and if you remember ask them about kernel numbers.  

Something that would be great now is if you could join us volunteers in helping other people with their grub problems.  Even if someone has already posted an answer you might find that you can add a comment to really help the person understand the answer.  You will find this really helps you thoroughly understand grub and the menu.lst so that if you have a problem in the future you find it much easier to fix.  
https://answers.launchpad.net/ubuntu/+questions?field.search_text=&field.sort=NEWEST_FIRST&field.sort-empty-marker=1&field.actions.search=Search&field.language=en&field.language-empty-marker=1&field.status=OPEN&field.status=NEEDSINFO&field.status=ANSWERED&field.status=SOLVED&field.status-empty-marker=1
Don't do too much and don't spend too much time at it but a little bit of help is much appreciated :)

Good luck and regards from
Tom :)

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