[aklug] Re: Upgrading Xubuntu 10.04 to 12.04

My workstation lost USB support. Can't access anything.
On Apr 29, 2012 11:03 PM, "barsalou" <barjunk@attglobal.net> wrote:
> Thought folks might be interested in how upgrading from 10.04 to 12.04
> went.
>
> The official release happened on the 26th.
>
> The plan includes using the update-manager gui tool. Since most folks
> I would talk to about upgrading would likely use that tool, having
> first hand knowledge of issues seemed appropriate.
>
> Here are the links for documents that were followed:
>
> https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/Xubuntu
> https://help.ubuntu.com/community/PreciseUpgrades
>
> Other reading indicating that removing "third-party" repositories may
> be helpful for a successful upgrade.
>
>
> Somewhere there was a reference to needing 5G, since the system is set
> up with LVM it occurred to me that this 5G would be spread over
> several of the mount points. On this system they are:
>
> /
> /boot
> /home
> /tmp
> /usr
> /var
>
> /var was initially used to store the packages that were being and
> needed approximately 1Gig up until the point it needed a reboot to =20
> complete the install.
>
> The install was started at 11am and finished about 3 hours later =20
> including downloading and answering questions about the install, which =20
> config files to keep or change, etc.
>
> After the reboot and subsequent issues it took the following:
>
> /var - 1Gig
> /usr - 300Mb
> /tmp, /boot and / actually reduced in size
>
> The only thing that makes sense to me is that the 5Gig was referring =20
> to a Desktop upgrade and not for the Xubuntu version that is being =20
> used on this box.
>
>
>
> Errors that I ran into:
>
> Warning: Mirror file cannot be read
>
> This seems like an issue with one of the repositories that are in the
> sources file. It doesn't say which one. Didn't seem to affect =20
> anything in an obvious way.
>
> At one point there was a prompt to reboot to complete the install, =20
> however, this resulted in getting dumped into the Grub prompt....bummer.
>
> For whatever reason, it didn't like the fact that I had a separate lvm =20
> for root and boot so I needed to issue the following commands to =20
> initially get the system up and running:
>
> set root=3D(rootvg-lvboot) # this is where the kernel and initrd images
> were
> linux /vmlinuz-3.2.0-24-generic root=3D/dev/mapper/rootvg-lvroot # this =20
> is / part
> initrd /initrd-3.2.0-24-generic
>
> Keep note that the / was required in front of the vmlinuz and initrd =20
> file names
>
> After the system came up, I re-installed grub using the proper =20
> grub-install command.
>
> It seems to be working and the VirtualBox setup upgraded without any
> hassle.
>
> If any other issues pop up, I'll post more info.
>
> Good luck if you are thinking of doing this.
>
> Mike B.
>
>
>
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Received on Sun Apr 29 21:14:55 2012