Upgrading from RHEL5 32 to 64-bit?

[kristian.hermansen-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org (Kristian Hermansen)]

Scott Ehrlich wrote:
> Is there a way to check whether 32 or 64-bit RHEL5 was installed on a 
> system?  For that matter, any way to check 32 or 64-bit versions of any 
> RedHat or Linux-based (including Debian/Ubuntu) system?

To check current kernel:
$ uname -m

You can also scan the /usr/lib* dirs for both 32 and 64 bit libraries if 
you are accessing a file system directly...

> Next, if a user's system was installed with 32-bit RHEL5, is there a 
> reasonable way to upgrade it to 64-bit?   Can the 64-bit CDs be 
> installed and let them take over?   Does a fresh install need to be done?

On RHEL, 64-bit is a superset of 32-bit, all libs inclusive.  I am 
unsure how you would upgrade to 64-bit, but possibly installing the 
64-bit kernel may do it.  Actually, I have never done that before, so it 
would be interesting to hear how you solve it...

> Would the same hold true for Fedora, CentOS, etc?

I would assume they all fall into the same category,,,
-- 
Kristian Hermansen

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