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Grub2 Question

 
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JohnParr



Joined: Fri May 18, 2012 2:33 pm
Posts: 9

PostPosted: Sun Jul 08, 2012 7:22 pm    Post subject: Grub2 Question Reply with quote

Can any one explain what is going on with Grub2 on my laptop?

I have several OS's installed. Up until recenly I was running Ubuntu 11.04 and the Grub settings on that controlled the laptop boot process. I then installed Ubuntu 12.04 and that took over the boot configuration. That was fine because I wanted to replace the 11.04 OS with Kubuntu 12.04 which I did. As expected the Kubuntu install took over the boot configuration.

I figured that if I ran the update-grub process back in Ubuntu 12.04 then that would provide the boot configuration but that is not the case. update-grub completes normally in Ubuntu 12.04 but the settings from the Kubuntu installation remain in control.

I'd like the Ubuntu 12.04 installation to control the boot process. How can I achieve that?
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ajgreeny
LXF regular


Joined: Wed May 10, 2006 9:18 pm
Posts: 439
Location: Oxfordshire.

PostPosted: Sun Jul 08, 2012 8:37 pm    Post subject: Reply with quote

Boot to the system you want to use as the grub "supplier" Ubuntu 12.04, and run
Code:
sudo grub-install /dev/sda
assuming sda is the boot device, which it will be if there is only one hard disk.

Your update-grub command just did that; it updated the grub menu in the OS where you ran it; it did not install grub from that OS to the MBR.
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Xubuntu 12.04 user, and loving it!
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JohnParr



Joined: Fri May 18, 2012 2:33 pm
Posts: 9

PostPosted: Sun Jul 08, 2012 9:15 pm    Post subject: Reply with quote

That's fixed it, thanks. (and I've learnt something too, thanks again)
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