Is 12.04 upgradable?

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Is 12.04 upgradable?

Robert Heller
Having failed to install 18.04 on my desktop machine (with preexisting
Software RAID and LVM), I am going to try the 12.04 ALT image.  My question
is: will I be able to upgrade it to 18.04 (by way of 14.04 and 16.04)?  I
don't really want to install 12.04, but it is the last version with an ALT
image.  The 18.04 installer images (both desktop and server) fail to install
-- the desktop because it lacks the software RAID tools and the server image
because it appears to be broken it starts the RAID and sees the LVM, during
boot up, but the storage scan fails -- it seems to not like my separate RAID
array for my /boot file system -- the Python code crashes.

(I am uncertain that the 12.04 ALT image will install, given my experience
with Ubuntu so far.)

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Re: Is 12.04 upgradable?

Oliver Grawert
hi,
Am Donnerstag, den 07.01.2021, 22:41 -0500 schrieb Robert Heller:
> Having failed to install 18.04 on my desktop machine (with
> preexisting 
> Software RAID and LVM), I am going to try the 12.04 ALT image.  My
> question 
> is: will I be able to upgrade it to 18.04 (by way of 14.04 and
> 16.04)? 

only LTS to LTS and you can not leave out a step, it *must* be: 
12.04->14.04->16.04->18.04 (as you noted)

instructions to upgrade EOL releases are at:

https://help.ubuntu.com/community/EOLUpgrades


ciao
        oli
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Re: Is 12.04 upgradable?

Liam Proven
In reply to this post by Robert Heller
On Fri, 8 Jan 2021 at 04:42, Robert Heller <[hidden email]> wrote:
>
> Having failed to install 18.04 on my desktop machine (with preexisting
> Software RAID and LVM), I am going to try the 12.04 ALT image.

Suggestion: don't jump far back and try to move slowly forwards.

Instead: go slowly backwards.

Try 16.04. If that works, you're good.

If that doesn't, try 14.04.

Then if all else fails try 12.04.

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Re: Is 12.04 upgradable?

Robert Heller
At Fri, 8 Jan 2021 13:47:57 +0100 "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:

>
> On Fri, 8 Jan 2021 at 04:42, Robert Heller <[hidden email]> wrote:
> >
> > Having failed to install 18.04 on my desktop machine (with preexisting
> > Software RAID and LVM), I am going to try the 12.04 ALT image.
>
> Suggestion: don't jump far back and try to move slowly forwards.

Good suggestion, except 12.04 is the newest version that still has an ALT
image.

>
> Instead: go slowly backwards.
>
> Try 16.04. If that works, you're good.
>
> If that doesn't, try 14.04.
>
> Then if all else fails try 12.04.
>

Tedious.  I have little confidence that any of these will work.  I'm thinking
I will have to install a "spare" disk and install it there and then copy the
install to the proper place.



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Re: Is 12.04 upgradable?

Liam Proven
>
> Tedious.  I have little confidence that any of these will work.  I'm thinking
> I will have to install a "spare" disk and install it there and then copy the
> install to the proper place.

Oh come on!

Get a medium-sized USB key. Put Ventoy on it.
https://www.ventoy.net/en/index.html

I found I had to use the Windows installer for Ventoy -- it didn't
work on Linux.

Then stick all the ISOs on there. Vanilla and server. 12.04, 14.04,
16.04, 18.04, 20.04.

Then you can just try each one in turn and see if it can mount your LVM.

Half an hour's preparation, 5min each to try them.

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Re: Is 12.04 upgradable?

Nils Kassube-2
In reply to this post by Robert Heller
Robert Heller wrote:
> Having failed to install 18.04 on my desktop machine (with preexisting
> Software RAID and LVM),

> The 18.04 installer images (both desktop
> and server) fail to install -- the desktop because it lacks the
> software RAID tools and the server image because it appears to be
> broken it starts the RAID and sees the LVM, during boot up, but the
> storage scan fails -- it seems to not like my separate RAID array for
> my /boot file system -- the Python code crashes.

Did you try to install 18.04 from the mini.iso? I'm not sure if it would
work with your setup, but at least it is worth a try. See
<https://help.ubuntu.com/community/Installation/MinimalCD> for details.


Nils


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Re: Is 12.04 upgradable?

Robert Heller
In reply to this post by Robert Heller
At Fri,  8 Jan 2021 09:28:43 -0500 (EST) "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:

>
> At Fri, 8 Jan 2021 13:47:57 +0100 "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:
>
> >
> > On Fri, 8 Jan 2021 at 04:42, Robert Heller <[hidden email]> wrote:
> > >
> > > Having failed to install 18.04 on my desktop machine (with preexisting
> > > Software RAID and LVM), I am going to try the 12.04 ALT image.
> >
> > Suggestion: don't jump far back and try to move slowly forwards.
>
> Good suggestion, except 12.04 is the newest version that still has an ALT
> image.
>
> >
> > Instead: go slowly backwards.
> >
> > Try 16.04. If that works, you're good.

Well, to my *great* supprise, 16.04 server *mostly* worked -- it was wonky about
the RAID array for /boot and wanted to reformat it (and /home!) and wanted to
use the swap partitions on the VMs and also wanted to boot the VMs as bare
metal installs (serious stupidity).  Nipped that in the bud.  I had to
manually hack things (/etc/fstab, etc.) after the install, from the CentOS 6
system.  Serious funky install process.  Reminds me of back in the day
installing Slackware from floppies...

> >
> > If that doesn't, try 14.04.
> >
> > Then if all else fails try 12.04.
> >
>
> Tedious.  I have little confidence that any of these will work.  I'm thinking
> I will have to install a "spare" disk and install it there and then copy the
> install to the proper place.
>
>
>

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Re: Is 12.04 upgradable?

Robert Heller
In reply to this post by Liam Proven
At Fri, 8 Jan 2021 15:56:23 +0100 "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:

>
> >
> > Tedious.  I have little confidence that any of these will work.  I'm thinking
> > I will have to install a "spare" disk and install it there and then copy the
> > install to the proper place.
>
> Oh come on!
>
> Get a medium-sized USB key. Put Ventoy on it.
> https://www.ventoy.net/en/index.html
>
> I found I had to use the Windows installer for Ventoy -- it didn't
> work on Linux.

I don't have MS-Windows.

>
> Then stick all the ISOs on there. Vanilla and server. 12.04, 14.04,
> 16.04, 18.04, 20.04.
>
> Then you can just try each one in turn and see if it can mount your LVM.
>
> Half an hour's preparation, 5min each to try them.
>

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Re: Is 12.04 upgradable?

Robert Heller
In reply to this post by Nils Kassube-2
At Fri, 08 Jan 2021 16:31:27 +0100 "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:

>
> Robert Heller wrote:
> > Having failed to install 18.04 on my desktop machine (with preexisting
> > Software RAID and LVM),
>
> > The 18.04 installer images (both desktop
> > and server) fail to install -- the desktop because it lacks the
> > software RAID tools and the server image because it appears to be
> > broken it starts the RAID and sees the LVM, during boot up, but the
> > storage scan fails -- it seems to not like my separate RAID array for
> > my /boot file system -- the Python code crashes.
>
> Did you try to install 18.04 from the mini.iso? I'm not sure if it would
> work with your setup, but at least it is worth a try. See
> <https://help.ubuntu.com/community/Installation/MinimalCD> for details.

No, I just tried both of the images under release.ubuntu.com/bionic.  The
Desktop image was clueless WRT RAID and while the Server image assembled the
RAID arrays, it crashed when scanning the disks (it did not seem to like the
RAID array for the /boot file system and crashed).

The 16.04 Server image worked, but was also wonky about the /boot RAID array,
which I worked around. It seems that the "modern" Ubuntu installers are not
happy about having ext2 file systems directly under a Metadata 0.93 software
RAID (this is needed for Grub 1, as used by CentOS 6 and earlier).

>
>
> Nils
>
>

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Re: Is 12.04 upgradable?

Liam Proven
In reply to this post by Robert Heller
On Fri, 8 Jan 2021 at 18:20, Robert Heller <[hidden email]> wrote:
>
> I don't have MS-Windows.

So?

I do not understand. One minute, you're willing to go to extreme
lengths -- e.g. trying to install a 7-LTS-versions-old release and
then do, what, 5 system upgrades to get it to vaguely current... the
next, you won't try a simple free tool that might make life easier for
you and save hours of work?

Why? What's the big difference? I don't understand.

So you don't have Windows. I said *I* didn't get it to work on Linux;
maybe *you* would. Won't you even _try_? Ralph recently posted that he
uses the same tool; why not ask him for his experiences? Why not just
read the (very short, clear) website and try it for yourself? What
would it cost you? A lot less time than going 12.04 → 14.04 → 16.04 →
18.04, surely?

Or if it doesn't work under Linux, you could download a Windows ISO
from MS, run it in a VM and use that. Win10 is a free download and
runs well without activation, serial number, licensing, anything.
Certainly long enough to write a USB. You have already mentioned VMs
so presumably you have a hypervisor.

Or you could download a ready-installed VM. MS "XP Mode" for Win7 is a
fully-installed XP system in a VirtualPC VM. Works fine in VirtualBox;
I've mentioned it before, and I have written a set of instructions how
to get it working:
https://www.theregister.com/Print/2014/04/10/how_to_run_xp_on_new_windows/

Pretty sure I've linked this here before.

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Re: Is 12.04 upgradable?

Robert Heller
At Fri, 8 Jan 2021 19:34:20 +0100 "Ubuntu user technical support,  not for general discussions" <[hidden email]> wrote:

>
> On Fri, 8 Jan 2021 at 18:20, Robert Heller <[hidden email]> wrote:
> >
> > I don't have MS-Windows.
>
> So?
>
> I do not understand. One minute, you're willing to go to extreme
> lengths -- e.g. trying to install a 7-LTS-versions-old release and
> then do, what, 5 system upgrades to get it to vaguely current... the
> next, you won't try a simple free tool that might make life easier for
> you and save hours of work?
By the time I heard about the tool, I had managed to install 16.04 server.

>
> Why? What's the big difference? I don't understand.
>
> So you don't have Windows. I said *I* didn't get it to work on Linux;
> maybe *you* would. Won't you even _try_? Ralph recently posted that he
> uses the same tool; why not ask him for his experiences? Why not just
> read the (very short, clear) website and try it for yourself? What
> would it cost you? A lot less time than going 12.04 → 14.04 → 16.04 →
> 18.04, surely?
>
> Or if it doesn't work under Linux, you could download a Windows ISO
> from MS, run it in a VM and use that. Win10 is a free download and
> runs well without activation, serial number, licensing, anything.
> Certainly long enough to write a USB. You have already mentioned VMs
> so presumably you have a hypervisor.
>
> Or you could download a ready-installed VM. MS "XP Mode" for Win7 is a
> fully-installed XP system in a VirtualPC VM. Works fine in VirtualBox;
I don't have VirtualBox installed and it probably won't work in CentOS 6.

> I've mentioned it before, and I have written a set of instructions how
> to get it working:
> https://www.theregister.com/Print/2014/04/10/how_to_run_xp_on_new_windows/
>
> Pretty sure I've linked this here before.
>

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Re: Is 12.04 upgradable?

ubuntu-users mailing list
In reply to this post by Robert Heller
On Fri,  8 Jan 2021 12:19:07 -0500 (EST), Robert Heller wrote:
>At Fri, 8 Jan 2021 15:56:23 +0100 "Ubuntu user technical support,  not
>for general discussions" <[hidden email]> wrote:
>> I found I had to use the Windows installer for Ventoy -- it didn't
>> work on Linux.  
>
>I don't have MS-Windows.

Ventoy: 1.0.31 as well as 1.0.32 x86_64 are working on my Arch Linux
machine.

[rocketmouse@archlinux ~]$ pacman -Qi ventoy-bin | grep On
Depends On      : bash  util-linux  xz  exfat-utils  dosfstools
                  lib32-glibc

If you can live without the multi-boot solution, because you maybe have
several USB sticks and/or SD cards at hand, try
https://balena.io/etcher. But even if Ventoy should fail on Ubuntu, try
installing it via a wine prefix or just use the Ventoy LiveCD,
https://www.ventoy.net/en/doc_livecd.html .

Actually I didn't set up a Ventoy multi-boot USB stick yet, but Xubuntu
20.04.1 with persistence performs terrifyingly good on an USB 3
stick/port. I used it today, a few minutes back.

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