On 18/10/2013 02:08 AM, Bob Proulx wrote:
Aniyan Rajan wrote:
I have a Debian/Squeeze 32-bit stable release (6.0.3), which is
natively installed in my laptop. The processor is a 64-bit processor
(Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz). Now, I would like to
upgrade the OS to Wheezy 64-bit.
Why? What benefit do you expect from it being a 64-bit system?
Also the most important detail you left out. How much memory do you
have? Do you have more than 4 gig of memory?
No, I have only 2 gig. I have installed 32-bit Etch in this laptop in
2007, without checking the possibility to install a 64-bit OS. Later on,
I found that 64-bit is possible. Now I have to upgrade from Squeeze to
Wheezy anyway. So I was thinking why can't I go for a Wheezy 64-bit.
I found this article:
https://wiki.debian.org/Migrate32To64Bit
The above is an experimental process. It is meant as a sharing of
information for hackers to learn. It requires detailed actions to be
taken in order to be successful. A problem along the way and you
would be left with an unusable system.
This is how development occurs. Someone says, it can't be done.
Someone else says, I did it this way. Time passes and various people
try doing it various ways. If it becomes mature then that eventually
is promoted to a normal easy thing to do. But in the beginning it is
very scary development for experts only.
Currently migrating systems from 32-bit to 64-bit is a technical
possibility. It is like walking on a tightrope between two balloons.
Is it possible. Yes. Has it been done. Yes. Would *I* walk a tight
rope between two hot air balloons? NO!!
Backup your data. Install a fresh 64-bit system. Copy your data back.
I thought the above article would be easier like the normal
dist-upgrade, even though I may face some issues that needs research and
fix. So from your suggestion, I think it is a good idea to backup the
entire system (using a dd command), then format the harddisk and do a
fresh installation.
Thanks.
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