grub problems
Doug Stewart
doug.dastew at gmail.com
Wed Sep 16 11:59:13 UTC 2009
gparted says that sda1 (windows XP) has a flag Boot.
not sda3
see the following file.
http://dougs.homeip.net/octave/Screenshot--dev-sda%20-%20GParted.png
Doug
On Tue, Sep 15, 2009 at 10:11 PM, Andy Boersma <andy at boersma.ca> wrote:
> Don’t do anything to SDA3 until booting is fixed.
>
>
>
> I normally create a 100mb /boot partition and use that on all my installs,
> you should keep that in mind for the next time.
>
>
>
> You are now booting on sda3 using the sda3/boot directory
>
> We need to change this to point to sda6/boot.
>
>
>
> Use a partition manager check the flags, you will see that the boot/active
> flag points to sda3.
>
> Be careful here, remove the flags from sda3, and then apply them to sda6
>
> Check this carefully, if you are sure, apply and reboot and you now boot
> from sda6.
>
>
>
> Andy
>
>
> ------------------------------
>
> *From:* ubuntu-ca-bounces at lists.ubuntu.com [mailto:
> ubuntu-ca-bounces at lists.ubuntu.com] *On Behalf Of *Doug Stewart
> *Sent:* September-15-09 6:32 PM
>
> *To:* The Canadian Ubuntu Users Community
> *Subject:* Re: grub problems
>
>
>
> Close
>
> I had windows on asd1 &2
> then I put Ubunto64 on sda3 and swap on sda5
>
> Then I found that some things didn't have 64 bit software so I installed
> Ubuntu32 on sda6 and swap on sda7
>
> I then had trouble with Ubuntu 32 so I experimented by installing a 2nd
> version of Ubuntu32 where the 64bit ubuntu was sda3
> I found the problem (the video driver) and then applied the fix to my main
> Ubuntu32 on sda6
>
> But now the default boot is to sda3 using the menu.list from sda3. right
> now if I was to format sda3 and use it for some other purpose I am sure that
> I would not be able to boot!!!!
>
> So again I want the boot sequence to look at sda6 not sda3.
>
> the last 3 kernnal update have updated the menu.list on sda3 so when I get
> it to boot to sda6 It will boot to an older kernnel but hat can be fixed
> latter.
>
> Doug
>
>
>
>
> On Tue, Sep 15, 2009 at 5:19 PM, Andy Boersma <andy at boersma.ca> wrote:
>
> Let me try to figure out what you did.
>
>
>
> So you have windows on SDA1 & 2
>
>
>
> Then installed Ubuntu was on sda3? With /boot on sda3
>
> Then you added SDA4 and put ubuntu on SDA6 with a new /boot on sda6, with
> Swap on 5 &7?
>
>
>
> Correct??
>
>
>
> Andy
>
>
> ------------------------------
>
> *From:* ubuntu-ca-bounces at lists.ubuntu.com [mailto:
> ubuntu-ca-bounces at lists.ubuntu.com] *On Behalf Of *Doug Stewart
> *Sent:* September-15-09 10:41 AM
> *To:* The Canadian Ubuntu Users Community
> *Subject:* Re: grub problems
>
>
>
> Hi every body.
>
> I have not made any changes yet because some thing aren't clear yet.
>
>
> I have
>
> /dev/sda1 ntfs 48gb boot
> /dev/sda2 ntfs 98gb
> /dev/sda3 ext3 20gb
> /dev/sda4 extended
> /dev/sda6 ext3 120gb /
> /dev/sda7 linux-swap 5gb
> /dev/sda5 linux-swap 5gb
>
>
>
> So when i boot the system the MBR on sda1 looks on sda3 for the grub
> menu.list
> I want it so that when I boot the system the MBR on sda1 looks on sda6 for
> the grub menu.list.
> I have rub gparted and and startupmanager, but they do not seem to have the
> ability to make this change.
>
> Any ideas as to how to do this?
>
> Doug
>
>
>
> On Mon, Sep 7, 2009 at 11:41 PM, Andy Boersma <andy at boersma.ca> wrote:
>
> No, don't do that.
>
> You need to keep the partition and menu.lst matching.
> Copying like you propose is more for experience people that totally
> understand how grub works.
> I have been burned by it when I started playing with grub, and then its,
> a get the install CD run from the CD and fix the mess.
>
> If you want to boot from your original, printout your new menu.lst, know
> what 4 lines boot the new OS.
>
> Then use partition manager and get it to boot from your old Partition.
> When you can boot from your Old Partition use gedit to type the section
> from your printed menu.lst that does the boot for that.
>
> sudo gedit /boot/grub/menu.lst
> copy the piece that boots the original part, to the second position and
> then edit the new entry to match your new partition boot, as per printed
> menu.lst
>
> This is the safest way if you do not totally understand grub.
>
> Andy
>
>
>
> Doug Stewart wrote:
> > I can copy the newist one to the old partition.
> >
> > SO:
> >
> > 1 Make a backup of the menu.list
> > 2 copy the latest menu.list to the original partition
> > 3 use gparted to set the partition boot flag to the original partition.
> > 4 use StartUpManager to make any changes to the order of booting
> >
> > Does this look OK?
> >
> > Doug
> >
> >
> > On Mon, Sep 7, 2009 at 10:57 PM, Andy Boersma <andy at boersma.ca
>
> > <mailto:andy at boersma.ca>> wrote:
> >
> > looks like your new install installed a new boot and set the
> partition
> > to be the boot section.
> >
> > You can try gparted and set the partition boot flag to the original
> > partition.
> > Then manually edit the old menu.lst on that /boot to add the new
> > partition
> >
> > the easiest is to just edit your new part menu.lst and add the old
> > install part to the menu.
> >
> > here is what I have. Ubuntu as main and Mint on another part
> >
> > Andy
> >
> >
> > title Linux Ubuntu x64, kernel 2.6.28-15-generic
> > root (hd1,0)
> > kernel /vmlinuz-2.6.28-15-generic root=/dev/sdb2 ro quiet
> > splash
> > initrd /initrd.img-2.6.28-15-generic
> > quiet
> >
> > title Linux Mint 7 Gloria x64, kernel 2.6.28-15-generic
> > root (hd1,0)
> > kernel /vmlinuz-2.6.28-15-generic root=/dev/sdb5 ro quiet
> > splash
> > initrd /initrd.img-2.6.28-15-generic
> > quiet
> >
> > t
> >
> >
> >
> > Doug Stewart wrote:
> > > Yes I have startupmanager and have run it. It shows me the out
> > of date
> > > menu.list.
> > >
> > > The one that is up to date is on the other partition.
> > >
> > > Doug
> > >
> > >
> > > On Mon, Sep 7, 2009 at 8:32 PM, Mr. C c <c_dive at hotmail.com
> > <mailto:c_dive at hotmail.com>
>
> > > <mailto:c_dive at hotmail.com <mailto:c_dive at hotmail.com>>> wrote:
> > >
> > > Have you tried "StartUp-Manager"
> > > System, Administration.
> > > Boot Options, Default Operating System, Drop Down arrow.
> > > You may have to download it.
> > > Chris.
> > >
> > >
> >
> ------------------------------------------------------------------------
> > > Date: Mon, 7 Sep 2009 12:02:08 -0400
> > > Subject: grub problems
> > > From: doug.dastew at gmail.com <mailto:doug.dastew at gmail.com>
>
> > <mailto:doug.dastew at gmail.com <mailto:doug.dastew at gmail.com>>
>
> > > To: ubuntu-ca at lists.ubuntu.com
> > <mailto:ubuntu-ca at lists.ubuntu.com>
> > <mailto:ubuntu-ca at lists.ubuntu.com
> > <mailto:ubuntu-ca at lists.ubuntu.com>>
> > >
> > >
> > > I have a hard drive with 5 partitions
> > > I have
> > >
> > > XP
> > > ubuntu 9.04 54 Gb
> > > ubuntu 9.04 21 Gb.
> > > and 2 swap partitions.
> > >
> > > My Main Ubuntu is 9.04 54 Gb
> > >
> > > I was using the 21 Gb for experimenting ( trying to solve A
> > problem.)
> > >
> > > The problem I have now is the the boot sequence now looks on
> the
> > > 21 Gb partition for the menu.list file,
> > > but I want it to look at the menu.list file that is in my main
> > > Ubuntu partition.
> > >
> > > Since I installed Ubuntu in the experimental partition last
> that
> > > is the menu.list file that it goes to.
> > >
> > > How can I change it to boot using only my main Ubuntu
> > menu.list file?
> > >
> > > Doug
> > >
> > >
> > >
> > >
> >
> ------------------------------------------------------------------------
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> > >
> > > --
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>
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> > >
> > >
> >
> > --
> > Andy Boersma
>
> > andy at boersma.ca <mailto:andy at boersma.ca>
>
> > (647) 244-2460
> >
> >
> > --
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> >
> >
>
> --
> Andy Boersma
> andy at boersma.ca
> (647) 244-2460
>
>
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