When installing ubuntu 9.10 karmic koala will grub2 work together with grub legacy

[bqz69]

I have 4 different ubuntu versions on my laptop.

I am using grub legacy, and I can install new versions, using super grub disk
SGD to set grub up after each new installation, and all works perfect.

Then I tried a month ago to use grub 2 and I lost my installation because I
could not fix it using SGD, I also did a lot of reading to fix the problem.

I now see, to my horror, that grub 2 is default in 9.10 which is being
released end of this month.

As I see it, I cannot even think of installing with grub 2.

Is there a choice, when installing 9.10 stable, so you can choose grub legacy
during installation.





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[Amedee Van Gasse (ub)]

On Wed, October 21, 2009 15:39, bqz69 wrote:

> I have 4 different ubuntu versions on my laptop.
>
> I am using grub legacy, and I can install new versions, using super grub
> disk
> SGD to set grub up after each new installation, and all works perfect.
>
> Then I tried a month ago to use grub 2 and I lost my installation because
> I
> could not fix it using SGD, I also did a lot of reading to fix the
> problem.
>
> I now see, to my horror, that grub 2 is default in 9.10 which is being
> released end of this month.
>
> As I see it, I cannot even think of installing with grub 2.
>
> Is there a choice, when installing 9.10 stable, so you can choose grub
> legacy
> during installation.
>

If you upgrade an existing 9.01 to 9.10 (no new installation), it will
keep grub-legacy. Grub2 is only for new installations.
And if you install grub2 when grub-legacy already exists, then it will
chainload so you can always fall back to grub-legacy.


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[bqz69]

On Wednesday 21 October 2009 03:52:23 pm Amedee Van Gasse (ub) wrote:

> On Wed, October 21, 2009 15:39, bqz69 wrote:
> > I have 4 different ubuntu versions on my laptop.
> >
> > I am using grub legacy, and I can install new versions, using super grub
> > disk
> > SGD to set grub up after each new installation, and all works perfect.
> >
> > Then I tried a month ago to use grub 2 and I lost my installation because
> > I
> > could not fix it using SGD, I also did a lot of reading to fix the
> > problem.
> >
> > I now see, to my horror, that grub 2 is default in 9.10 which is being
> > released end of this month.
> >
> > As I see it, I cannot even think of installing with grub 2.
> >
> > Is there a choice, when installing 9.10 stable, so you can choose grub
> > legacy
> > during installation.
>
> If you upgrade an existing 9.01 to 9.10 (no new installation), it will
> keep grub-legacy. Grub2 is only for new installations.

I have tried to upgrade a couple of ubuntus, but it has never worked out well
for me, så I intend to doing newinstalls, until further.

> And if you install grub2 when grub-legacy already exists, then it will
> chainload so you can always fall back to grub-legacy.

I have never really been able to find good documentation for grub/grub2, too
techincal for me, and I do not really understand this chainload thing, even as
I have got windows to double boot with linux (a long time ago).

I am working on a newbie level, even as I have quite some experience with
ubuntu - I try to make simple supplementary documentation for newbies.

So, what if I intermix with grub legacy, and get problems, how do I fix it -
still because grub is complicated to work with for newbies.

That's why I am using SGD, because it fix problems fairly easy.

SGD does not work together with grub2?

I never found out how to edit menu.lst when trying grub 2 out

To me grub must work automatic during newinstallation, and one must be able to
fix problems, using some kind of GUI.

I am follow up on this, because the bootloader is a VERY important part.





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[bqz69]

On Wednesday 21 October 2009 03:52:23 pm Amedee Van Gasse (ub) wrote:

> On Wed, October 21, 2009 15:39, bqz69 wrote:
> > I have 4 different ubuntu versions on my laptop.
> >
> > I am using grub legacy, and I can install new versions, using super grub
> > disk
> > SGD to set grub up after each new installation, and all works perfect.
> >
> > Then I tried a month ago to use grub 2 and I lost my installation because
> > I
> > could not fix it using SGD, I also did a lot of reading to fix the
> > problem.
> >
> > I now see, to my horror, that grub 2 is default in 9.10 which is being
> > released end of this month.
> >
> > As I see it, I cannot even think of installing with grub 2.
> >
> > Is there a choice, when installing 9.10 stable, so you can choose grub
> > legacy
> > during installation.
>
> If you upgrade an existing 9.01 to 9.10 (no new installation), it will
> keep grub-legacy. Grub2 is only for new installations.
> And if you install grub2 when grub-legacy already exists, then it will
> chainload so you can always fall back to grub-legacy.

So, we suggest I have installed ubuntu 9.10 karmic koala stable using grub 2,
and now I can boot into this (and only this according to my experience).

Then I want to update my  system, so my 4 OS, all using grub legacy, and this
new OS using grub 2 will come up with a combined grub boot loader menu (5
choices of OS), so I can choose whatever OS I want to use.

This is a imagined situation I will meet, when I have new installed 9.10.

Later I want to install 8.04 from the live cd with grub legacy.

What will I have to do in this situation, as I only can log into 8.04 just
after new installation.

I would use SGD according to my former experience, but it works not on grub 2.

Hope you understand my questions :-)

Thanks

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[Leonard Chatagnier-2]

--- On Thu, 10/22/09, bqz69 <bqz69@...> wrote:

> From: bqz69 <bqz69@...>
> Subject: Re: When installing ubuntu 9.10 karmic koala will grub2 work together with grub legacy
> To: "Ubuntu user technical support, not for general discussions" <ubuntu-users@...>
> Date: Thursday, October 22, 2009, 10:27 AM
> On Wednesday 21 October 2009 03:52:23
> pm Amedee Van Gasse (ub) wrote:
> > On Wed, October 21, 2009 15:39, bqz69 wrote:
> > > I have 4 different ubuntu versions on my laptop.
> > >
> > > I am using grub legacy, and I can install new
> versions, using super grub
> > > disk
> > > SGD to set grub up after each new installation,
> and all works perfect.
> > >
> > > Then I tried a month ago to use grub 2 and I lost
> my installation because
> > > I
> > > could not fix it using SGD, I also did a lot of
> reading to fix the
> > > problem.
> > >
> > > I now see, to my horror, that grub 2 is default
> in 9.10 which is being
> > > released end of this month.
> > >
> > > As I see it, I cannot even think of installing
> with grub 2.
> > >
> > > Is there a choice, when installing 9.10 stable,
> so you can choose grub
> > > legacy
> > > during installation.
> >
> > If you upgrade an existing 9.01 to 9.10 (no new
> installation), it will
> > keep grub-legacy. Grub2 is only for new
> installations.
> > And if you install grub2 when grub-legacy already
> exists, then it will
> > chainload so you can always fall back to grub-legacy.
>
> So, we suggest I have installed ubuntu 9.10 karmic koala
> stable using grub 2,
> and now I can boot into this (and only this according to my
> experience).
>
> Then I want to update my  system, so my 4 OS, all
> using grub legacy, and this
> new OS using grub 2 will come up with a combined grub boot
> loader menu (5
> choices of OS), so I can choose whatever OS I want to use.
>
> This is a imagined situation I will meet, when I have new
> installed 9.10.
>
> Later I want to install 8.04 from the live cd with grub
> legacy.
>
> What will I have to do in this situation, as I only can log
> into 8.04 just
> after new installation.
>
> I would use SGD according to my former experience, but it
> works not on grub 2.
>

sudo update-grub usually works even on mixed grub systems.

Leonard Chatagnier
lenc5570@...


> Hope you understand my questions :-)
>
> Thanks
>


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[Goh Lip-2]

bqz69 wrote:

>
> This is a imagined situation I will meet, when I have new installed 9.10.
>
> Later I want to install 8.04 from the live cd with grub legacy.
>
> What will I have to do in this situation, as I only can log into 8.04 just
> after new installation.
>
> I would use SGD according to my former experience, but it works not on grub 2.
>

You can boot into 9.10 using 8.04 grub-legacy by chainloading (manually)
Then at 9.10, update grub2 to set to sda and include newer 8.04 (if you
want to use 9.10 grub at sda).

Regards,
Goh Lip


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[bqz69]

On Thursday 22 October 2009 07:27:06 pm Goh Lip wrote:

> bqz69 wrote:
> > This is a imagined situation I will meet, when I have new installed 9.10.
> >
> > Later I want to install 8.04 from the live cd with grub legacy.
> >
> > What will I have to do in this situation, as I only can log into 8.04
> > just after new installation.
> >
> > I would use SGD according to my former experience, but it works not on
> > grub 2.
>
> You can boot into 9.10 using 8.04 grub-legacy by chainloading (manually)
> Then at 9.10, update grub2 to set to sda and include newer 8.04 (if you
> want to use 9.10 grub at sda).

Thanks

Sorry, that is too technical for me to do, if I have 4 different OS to get
working, right after installation of 9.10.

I am speaking on behalf of other ubuntu people on my knowledge level which
might install 9.10 also, end of this month.

The bootloader is a very important part of linux, and quite complicated to
understand.

If you have a problem with a program when working inside ubuntu, you are
inside, but if you cannot get into an OS, you are sort of standing outside,
and cannot even google for help.

I predict a kind of storm from people asking for help, when they have
installed 9.10 - sort of when kde 4.2 suddenly was introduced  to people used
to kde 3.5, and they could not even install 3.5 instead - hopefully I am
wrong.

I have read, that you can edit grub.cfg, and that it can work side by side
with menu.lst, but grub.cfg is too complicated to edit for me - it needs some
sort of a programmer, I find.




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[Goh Lip-2]

bqz69 wrote:

> On Thursday 22 October 2009 07:27:06 pm Goh Lip wrote:
>> bqz69 wrote:
>>> This is a imagined situation I will meet, when I have new installed 9.10.
>>>
>>> Later I want to install 8.04 from the live cd with grub legacy.
>>>
>>> What will I have to do in this situation, as I only can log into 8.04
>>> just after new installation.
>>>
>>> I would use SGD according to my former experience, but it works not on
>>> grub 2.
>> You can boot into 9.10 using 8.04 grub-legacy by chainloading (manually)
>> Then at 9.10, update grub2 to set to sda and include newer 8.04 (if you
>> want to use 9.10 grub at sda).
>
> Thanks
>
> Sorry, that is too technical for me to do, if I have 4 different OS to get
> working, right after installation of 9.10.
>
> I am speaking on behalf of other ubuntu people on my knowledge level which
> might install 9.10 also, end of this month.
>
> The bootloader is a very important part of linux, and quite complicated to
> understand.
>
> If you have a problem with a program when working inside ubuntu, you are
> inside, but if you cannot get into an OS, you are sort of standing outside,
> and cannot even google for help.
>
> I predict a kind of storm from people asking for help, when they have
> installed 9.10 - sort of when kde 4.2 suddenly was introduced  to people used
> to kde 3.5, and they could not even install 3.5 instead - hopefully I am
> wrong.
>
> I have read, that you can edit grub.cfg, and that it can work side by side
> with menu.lst, but grub.cfg is too complicated to edit for me - it needs some
> sort of a programmer, I find.
>

Yes, I see your point. But then, 'most' people who thinks their
knowledge level is not 'there' would probably not install 4 OS on their
computers and they won't have any problem installing a single 9.10
system either if they can install a single windows OS.

If you need further clarifications, please get back to us.

Take care.

Regards,
Goh Lip


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[bqz69]

I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect, and made
a grub2 login menu with my two other OS (wxp and 8.04), so I can choose which
of the three OS to login to at boot time


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[Goh Lip-2]

bqz69 wrote:
> I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect, and made
> a grub2 login menu with my two other OS (wxp and 8.04), so I can choose which
> of the three OS to login to at boot time
>
>
Great. A good tool to have is an (empty grub.cfg) grub2 cdrom so that
you can use this to boot to any OS if you have any problem. To get it,
type at terminal

grub-mkrescue abc.iso

where abc.iso  is name of iso (can be any name you choose) which will be
created at ~/ if your command is at home. Burn that iso and you will
have a bootable grub2 cdrom for you to boot up.

Take care.
Regards,
Goh Lip


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[Mark C. Miller]

On Sat, 31 Oct 2009 01:08:58 +0800, Goh Lip wrote:

> bqz69 wrote:
>> I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect,
>> and made a grub2 login menu with my two other OS (wxp and 8.04), so I
>> can choose which of the three OS to login to at boot time
>>
>>
> Great. A good tool to have is an (empty grub.cfg) grub2 cdrom so that
> you can use this to boot to any OS if you have any problem. To get it,
> type at terminal
>
> grub-mkrescue abc.iso
>
> where abc.iso  is name of iso (can be any name you choose) which will be
> created at ~/ if your command is at home. Burn that iso and you will
> have a bootable grub2 cdrom for you to boot up.
>
> Take care.
> Regards,
> Goh Lip

doesn't work for me.  Here's what I get:

grub -mkrescue abc.iso
grub: invalid option -- 'm'


mcm



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[Goh Lip-2]

Mark C. Miller wrote:

> On Sat, 31 Oct 2009 01:08:58 +0800, Goh Lip wrote:
>
>> bqz69 wrote:
>>> I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect,
>>> and made a grub2 login menu with my two other OS (wxp and 8.04), so I
>>> can choose which of the three OS to login to at boot time
>>>
>>>
>> Great. A good tool to have is an (empty grub.cfg) grub2 cdrom so that
>> you can use this to boot to any OS if you have any problem. To get it,
>> type at terminal
>>
>> grub-mkrescue abc.iso
>>
>> where abc.iso  is name of iso (can be any name you choose) which will be
>> created at ~/ if your command is at home. Burn that iso and you will
>> have a bootable grub2 cdrom for you to boot up.
>>
>> Take care.
>> Regards,
>> Goh Lip
>
> doesn't work for me.  Here's what I get:
>
> grub -mkrescue abc.iso
> grub: invalid option -- 'm'
>
>
> mcm
>
>
>

Try again with
grub-mkrescue abc.iso

not
grub -mkrescue abc.iso


Regards,
Goh Lip


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[bqz69]

On Friday 30 October 2009 06:08:58 pm Goh Lip wrote:
> bqz69 wrote:
> > I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect, and
> > made a grub2 login menu with my two other OS (wxp and 8.04), so I can
> > choose which of the three OS to login to at boot time

It did not work when I installed 9.10 on my other pc, a laptop. grub2 did not
find any other OS, probably because they are all on encrypted partitions except
the /boot partitions which are all on their own unencrypted partitions of 100
mb

I fixed it, and here is an example for ubuntu 9.04 with /boot on sda7 and / on
sda8:

I took the menu content lines from the /boot/grub/menu.lst of the 9.04:

title Ubuntu 9.04, kernel 2.6.28-11-generic sda7 enc 959
uuid da9ce616-b91d-4428-8987-28eac900f328
kernel /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
initrd /initrd.img-2.6.28-11-generic
quiet

and changd them into:

menuentry "ubuntu 9.04 sda7/8" {
set root=(hd0,7)    
search --no-floppy --fs-uuid --set da9ce616-b91d-4428-8987-28eac900f328
linux /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
initrd /initrd.img-2.6.28-11-generic
}

and then copied it into /etc/grub.d/40_custom and then ran "sudo update-grub"
(which transfers it into /boot/grub/grub.cfg) this file must not be edited by
hand.

Then I went to the /etc/default/grub file, and changed 2 lines:

from:
GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true

to:
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=false

Then I ran "sudo update-grub" again, and then ubuntu 9.04 appeared in the
grub2 bootloader menu, and could be started as normal.

I am not sure if the second line above "set root=(hd0,7)" is necessary,
because I first inserted it as "set root=(hd0,1)" and it still worked??

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[Goh Lip-2]

user1 wrote:

> On Friday 30 October 2009 06:08:58 pm Goh Lip wrote:
>> bqz69 wrote:
>>> I have just installed ubuntu 9.10 on a pc, and grub2 worked perfect, and
>>> made a grub2 login menu with my two other OS (wxp and 8.04), so I can
>>> choose which of the three OS to login to at boot time
>
> It did not work when I installed 9.10 on my other pc, a laptop. grub2 did not
> find any other OS, probably because they are all on encrypted partitions except
> the /boot partitions which are all on their own unencrypted partitions of 100
> mb
>
> I fixed it, and here is an example for ubuntu 9.04 with /boot on sda7 and / on
> sda8:
>
> I took the menu content lines from the /boot/grub/menu.lst of the 9.04:
>
> title Ubuntu 9.04, kernel 2.6.28-11-generic sda7 enc 959
> uuid da9ce616-b91d-4428-8987-28eac900f328
> kernel /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
> initrd /initrd.img-2.6.28-11-generic
> quiet
>
> and changd them into:
>
> menuentry "ubuntu 9.04 sda7/8" {
> set root=(hd0,7)    
> search --no-floppy --fs-uuid --set da9ce616-b91d-4428-8987-28eac900f328
> linux /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
> initrd /initrd.img-2.6.28-11-generic
> }
>
> and then copied it into /etc/grub.d/40_custom and then ran "sudo update-grub"
> (which transfers it into /boot/grub/grub.cfg) this file must not be edited by
> hand.
>
> Then I went to the /etc/default/grub file, and changed 2 lines:
>
> from:
> GRUB_HIDDEN_TIMEOUT=0
> GRUB_HIDDEN_TIMEOUT_QUIET=true
>
> to:
> #GRUB_HIDDEN_TIMEOUT=0
> GRUB_HIDDEN_TIMEOUT_QUIET=false
>
> Then I ran "sudo update-grub" again, and then ubuntu 9.04 appeared in the
> grub2 bootloader menu, and could be started as normal.
>
> I am not sure if the second line above "set root=(hd0,7)" is necessary,
> because I first inserted it as "set root=(hd0,1)" and it still worked??
>

See
http://bbs.archlinux.org/viewtopic.php?id=64545

but I think it should be okay to set root to /boot partition.
I don't have separate /boot partition so I am not 100% sure.
Obviously works in your case.

UUID no "da9ce616-b91d-4428-8987-28eac900f328", please get back if this
is for sda7 (/boot) or sda8 (/) ?  (check with sudo blkid) This may
overide your set root (hd0,1).

Please get back to me. I like to know if this is the case.

Regards,
Goh Lip


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[bqz69]

> Obviously works in your case.
>
> UUID no "da9ce616-b91d-4428-8987-28eac900f328", please get back if this
> is for sda7 (/boot) or sda8 (/) ?  (check with sudo blkid) This may
> overide your set root (hd0,1).
>
> Please get back to me. I like to know if this is the case.
>
> Regards,
> Goh Lip

user1@sda7-enc:~$ blkid
/dev/sda1: UUID="99116a6b-d7ac-44aa-9cfd-d1515a00237f" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sda2: UUID="6b37c158-f783-4c5d-89c1-c29c194b0ee3" TYPE="crypt_LUKS"
/dev/sda5: UUID="06bddef9-9637-4f12-abe6-b6bc11928f33" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sda6: UUID="767c8bf9-e8c0-42d7-a6b3-a9d1022274e5" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sda7: UUID="da9ce616-b91d-4428-8987-28eac900f328" TYPE="ext3"
/dev/sda8: UUID="926c6519-7c40-48be-8472-ac0f6f228019" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sda9: UUID="5034ae5b-8f88-46d3-96b8-1733f16a1836" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sdb1: UUID="5bbc996b-765f-44bd-b72d-3b29dddc4e1c" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sdb2: UUID="4f7cf52d-2013-4966-97b2-4df516de3281" TYPE="crypt_LUKS"
/dev/sdb3: UUID="1ad73220-67d4-4a6e-b6f2-355336d490c8" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sdb5: UUID="06d967e5-3e75-4056-a1d5-e42fc0f4e84e" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sdb6: UUID="35e33e1b-e506-4be4-96d8-65e4f5f7beae" SEC_TYPE="ext2"
TYPE="ext3"
/dev/mapper/sda8_crypt: UUID="344439b0-8f73-4fd1-8281-a02ae4c72d7c"
TYPE="ext3"
user1@sda7-enc:~$

I have problems with 8.04, /boot on sdb1 and /  (the encrypted partition) on
sdb2

It will not show up on grub2's boot loader menu?

I can however boot sdb1/2 using super grub disk (SGD), so one should never
delete the grub legacy files, I think.


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[Goh Lip-2]

bqz69 wrote:

>> Obviously works in your case.
>>
>> UUID no "da9ce616-b91d-4428-8987-28eac900f328", please get back if this
>> is for sda7 (/boot) or sda8 (/) ?  (check with sudo blkid) This may
>> overide your set root (hd0,1).
>>
>> Please get back to me. I like to know if this is the case.
>>
>> Regards,
>> Goh Lip
> user1@sda7-enc:~$ blkid
> /dev/sda1: UUID="99116a6b-d7ac-44aa-9cfd-d1515a00237f" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sda2: UUID="6b37c158-f783-4c5d-89c1-c29c194b0ee3" TYPE="crypt_LUKS"
> /dev/sda5: UUID="06bddef9-9637-4f12-abe6-b6bc11928f33" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sda6: UUID="767c8bf9-e8c0-42d7-a6b3-a9d1022274e5" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sda7: UUID="da9ce616-b91d-4428-8987-28eac900f328" TYPE="ext3"
> /dev/sda8: UUID="926c6519-7c40-48be-8472-ac0f6f228019" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sda9: UUID="5034ae5b-8f88-46d3-96b8-1733f16a1836" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sdb1: UUID="5bbc996b-765f-44bd-b72d-3b29dddc4e1c" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sdb2: UUID="4f7cf52d-2013-4966-97b2-4df516de3281" TYPE="crypt_LUKS"
> /dev/sdb3: UUID="1ad73220-67d4-4a6e-b6f2-355336d490c8" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sdb5: UUID="06d967e5-3e75-4056-a1d5-e42fc0f4e84e" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/sdb6: UUID="35e33e1b-e506-4be4-96d8-65e4f5f7beae" SEC_TYPE="ext2"
> TYPE="ext3"
> /dev/mapper/sda8_crypt: UUID="344439b0-8f73-4fd1-8281-a02ae4c72d7c"
> TYPE="ext3"
> user1@sda7-enc:~$
>

Yes, confirm that set root ought to be to /boot partition and that's
why you've got it working.

> I have problems with 8.04, /boot on sdb1 and /  (the encrypted partition) on
> sdb2
>
> It will not show up on grub2's boot loader menu?
>
> I can however boot sdb1/2 using super grub disk (SGD), so one should never
> delete the grub legacy files, I think.
>
>

You can do this at terminal

sudo grub-mkconfig

Check the output carefully, you need to check at least 2 things..
o  your modifications on 9.04 is correct as your previous post
o  your 8.04 on sdb2 is showing up as well as other OS you may have
    (still talking about the labtop?... I am slightly confused.. but
really.. never mind)


If all is okay... take your time checking this out...then...

sudo grub-mkconfig -o /boot/grub/grub.cfg

to set to your grub.cfg.

Regards,
Goh Lip


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[bqz69]

 >Check the output carefully, you need to check at least 2 things..
 >o  your modifications on 9.04 is correct as your previous post
 >o  your 8.04 on sdb2 is showing up as well as other OS you may have
 >  (still talking about the labtop?... I am slightly confused.. but
 >really.. never mind)
 >
 >If all is okay... take your time checking this out...then...
 >
 >sudo grub-mkconfig -o /boot/grub/grub.cfg

 >to set to your grub.cfg.


The contents of 40_customs (setups for sda7 and sdb1) is copied into
grub.cfg without change

I noted, that sda8  from the blkid is on 2 different lines with
different contents?


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[Goh Lip-2]

user1 wrote:

>  >Check the output carefully, you need to check at least 2 things..
>  >o  your modifications on 9.04 is correct as your previous post
>  >o  your 8.04 on sdb2 is showing up as well as other OS you may have
>  >  (still talking about the labtop?... I am slightly confused.. but
>  >really.. never mind)
>  >
>  >If all is okay... take your time checking this out...then...
>  >
>  >sudo grub-mkconfig -o /boot/grub/grub.cfg
>
>  >to set to your grub.cfg.
>
>
> The contents of 40_customs (setups for sda7 and sdb1) is copied into
> grub.cfg without change
>
> I noted, that sda8  from the blkid is on 2 different lines with
> different contents?
>
>

It is difficult for me without looking at your print out of "sudo
grub-mkconfig" to make inference, (I'll would think it'll work) but
since you've got it working from your modifications, to ensure it'll
really work, go to /etc/grub.d/40_custom add your modifications there.
(kdesudo kate /etc/grub.d/40_custom) Your entries will be there when you
do "sudo grub-mkconfig -o /boot/grub/grub.cfg"

Try out the machine generated and if all works, you can delete your
entries in 40_custom later. If not, you still have your modifications to
boot from.

Good luck.

Regards,
Goh Lip


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[Goh Lip-2]

Goh Lip wrote:

> really work, go to /etc/grub.d/40_custom add your modifications there.
> (kdesudo kate /etc/grub.d/40_custom)

Sorry, "sudo gedit /etc/grub.d/40_custom"
(i'm on kubuntu)

Your entries will be there when you
> do "sudo grub-mkconfig -o /boot/grub/grub.cfg"
>
> Try out the machine generated and if all works, you can delete your
> entries in 40_custom later. If not, you still have your modifications to
> boot from.
>

Yes, entries in 40_customs are not machine changed, so you'll have 2
entries. One from the machine generated 10_linux and the other from your
own 40_custom. You should try the first one first to check if this
works. Have you got the other OS too from 30_os-prober?

Regards,
Goh Lip


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[Niels Larsen-4]

Setup of 8.04 encrypted on sdb1 with /boot of 100 mb and sdb2 with / of 30 gb:

##########

The part from menu.lst of sdb1:
title        Ubuntu 8.04, kernel 2.6.24-19-generic (sdb1 - boot) 32 bit encrypted
root        (hd1,0)
kernel        /vmlinuz-2.6.24-19-generic root=/dev/mapper/sdb2_crypt ro quiet splash
initrd        /initrd.img-2.6.24-19-generic
quiet

##########

40_customs with content:
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

menuentry "ubuntu 9.04 sda7/8" {
set root=(hd0,7)
search --no-floppy --fs-uuid --set da9ce616-b91d-4428-8987-28eac900f328
linux /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
initrd        /initrd.img-2.6.28-11-generic
}

menuentry "ubuntu 8.04 sdb1/2" {
set root=(hd1,1)
linux /vmlinuz-2.6.24-19-generic root=/dev/mapper/sdb2_crypt ro quiet splash
initrd        /initrd.img-2.6.24-19-generic
}

##############

And here is the output of "sudo grub-mkconfig":

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s /boot/grub/grubenv ]; then
  have_grubenv=true
  load_env
fi
set default="ubuntu 9.04 sda7/8"
if [ ${prev_saved_entry} ]; then
  saved_entry=${prev_saved_entry}
  save_env saved_entry
  prev_saved_entry=
  save_env prev_saved_entry
fi
if [ ${recordfail} = 1 ]; then
  set timeout=-1
else
  set timeout=20
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/white
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
menuentry "Ubuntu, Linux 2.6.31-14-generic" {
        recordfail=1
        if [ -n ${have_grubenv} ]; then save_env recordfail; fi
    set quiet=1
    insmod ext2
    set root=(hd0,1)
    search --no-floppy --fs-uuid --set c70e2db3-827b-45c8-9015-432c69e5a501
    linux    /vmlinuz-2.6.31-14-generic root=/dev/mapper/sda2_crypt ro   quiet splash
    initrd    /initrd.img-2.6.31-14-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic (recovery mode)" {
        recordfail=1
        if [ -n ${have_grubenv} ]; then save_env recordfail; fi
    insmod ext2
    set root=(hd0,1)
    search --no-floppy --fs-uuid --set c70e2db3-827b-45c8-9015-432c69e5a501
    linux    /vmlinuz-2.6.31-14-generic root=/dev/mapper/sda2_crypt ro single
    initrd    /initrd.img-2.6.31-14-generic
}
### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
    linux16    /memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
    linux16    /memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

menuentry "ubuntu 9.04 sda7/8" {
set root=(hd0,7)
search --no-floppy --fs-uuid --set da9ce616-b91d-4428-8987-28eac900f328
linux /vmlinuz-2.6.28-11-generic root=/dev/mapper/sda8_crypt ro quiet splash
initrd        /initrd.img-2.6.28-11-generic
}

menuentry "ubuntu 8.04 sdb1/2" {
set root=(hd1,1)
linux /vmlinuz-2.6.24-19-generic root=/dev/mapper/sdb2_crypt ro quiet splash
initrd        /initrd.img-2.6.24-19-generic
}### END /etc/grub.d/40_custom ###

####################

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