How to cross-upgrade Fedora x86(32-bit) => x86_64(64-bit) using 'preupgrade'

[Gerry Reno]

Toshio Kuratomi wrote:
> Gerry Reno wrote:
>   
>> For the past couple months I've been working on finding a way to
>> successfully upgrade Fedora x86(32-bit) to x86_64(64-bit).  I had almost
>> given up because nothing seemed to work despite dozens of different
>> approaches.  Then a couple days ago I started a new set of experiments
>> and now I have successfully cross-upgraded three different systems using
>> this technique.  On the three machines that I used, all the configs that
>> I set up were still in place after the upgrade.  The machines behaved
>> normally and I have not found any sign of problems yet.  But, it would
>> be difficult to see how this technique could ever be fully automated
>> because it requires a certain amount of manual inspection in a number of
>> places.  And it's probably something that could not be officially
>> supported.  But at least it appears there may now be a technique to
>> perform a successful 32-bit => 64-bit upgrade.  And for those who have
>> heavily configured machines this may be worth a try.  Anyway, here's the
>> technique
>>     
>
> Could you post this to the wiki?  It could serve much the same purpose
> as the Yum Upgrade[1]_ page serves.
>
> https://fedoraproject.org/wiki/YumUpgradeFaq
>
> -Toshio
>
>   
When I have some time I'll create the wiki page for this.


Regards,
Gerry