How to change to 64-bit.

[Kevin O'Gorman]

On Wed, Dec 1, 2010 at 12:36 PM, Colin Law <clanlaw at googlemail.com> wrote:

> On 1 December 2010 18:16,  <pkaplan1 at comcast.net> wrote:
> >>On Wed, Dec 01, 2010 at 10:00:58AM -0800, Kevin O'Gorman wrote:
> >>[...]
> >>> What am I missing?  A repository?  A package?  This is a first time for
> >>> me,
> >>> so I'm completely clueless, and the
> >>> only advice I can see is about installing fresh, which I'd really
> rather
> >>> not
> >>> do.
> >>
> >>Kevin,
> >>
> >>To move from 32- to 64-bit you'll need to do a fresh install using a
> >>64-bit iso.
> >>
> >>--
> >>Scott Stevenson <scott at ecubyx.com>
> >
> > If you haven't already kept /home on a separate partition, you should in
> the
> > future; it will make life easier.
> > In any case, back up /home and restore later, it will allow you to keep
> your
> > config files.
>
> As has been pointed out here a number of times it is possible to
> install over an existing ubuntu without losing the home directory.
> When installing, select Advanced option, select the existing ubuntu
> partition as '/' but do _not_ select Format.  This will then replace
> all the system files leaving /home as is.  It will still be necessary
> to re-install any extra apps required, but the settings should be
> retained in /home.
>
> Colin
>
> > You might also want to run
> > $dpkg -l > ~/installed
> > to save the list of installed packages to a file called "installed" and
> then
> > refer to that that as you install any non-default packages you may have
> > installed on your 32-bit machine.
> > Good luck,
> > Paul
>
> Rats.  I'm not going to do any of the above, because it's clear that no one
boot system can be both 32 and 64.  So I'll create a new partition and do a
fresh 64-bit install.  This is really just a feasability study, so I'm not
interested in making permanent changes to existing stuff (yet).  And I've
got the space.

Thanks, all responders.  The info was at least indirectly helpful.

++ kevin
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