Ubuntu and its derivatives (Lubuntu, Xubuntu etc.) should really consider adding cross-distribution installation/upgrade feature in Ubiquity

[Colin Law]

On 2 February 2018 at 16:08, Βασίλης Κατσαρέλιας <vkatsarelias at gmail.com>
wrote:

> A few months ago, I had Ubuntu 12.04 (knowing it had reached its EOL) on
> my PC. I wanted to upgrade to Kubuntu 14.04, but the installer only let me
> delete it or format the entire disk.
>
>
>
> The same happened when I first installed Xubuntu 16.04 last year.
>
>
>
> Also, Lubuntu had the same issue.
>
>
>
> That was awful, I had to copy my `/home` folder over to a USB stick and
> then copy it back to my PC.
>
>
>
> I'm sure many people want this feature and Ubiquity is *still* lacking
> it. And we are in 17.10, something should have been done about it!
>
>
>
> Anyway, I just want Ubiquity to feature a cross-distribution
> upgrade/transfer feature. (e.g. upgrade from Ubuntu 14.04 to Lubuntu 16.04,
> upgrade from Kubuntu 16.04 to Xubuntu 17.10)
>

If you select "Something Else" when the installer asks what you want to do
and then tell it to use the existing root partition as "/" and *not* to
format it then it will replace the existing Ubuntu install with the new one
but leave /home as it is so you will not lose your user data.  Of course
you will have backed up everything before hand anyway just in case
something goes wrong.

Colin
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