Upgrading from 32 bit to 64 bit 2006-09-07 - By Harold Hallikainen
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> On Thu, 2006-09-07 at 10:32 -0700, Waldher, Travis R wrote:
>> What is involved for Redhat AS 4.0?
>>
>> The system was initially built 32bit, but some users would like it
>> running in 64.
>>
>> Is it as simple as loading a different kernel? :fingerscrossed:
>
> Well, yeah, but most of your applications won't be accelerated that
> much. A full 64-bit system will have most of the utilities (/bin,
> /sbin, /usr/bin, /usr/sbin, etc.) built with 64-bit as well as having
> full 64-bit libraries (/usr/lib64 as well as /usr/lib).
>
> Can you run a 64-bit kernel with 32-bit utilities? Sure. Will it buy
> you much? Not really. For example, I run an Opteron at home with full
> FC5 64-bit stuff. Real grunt work (compilations, OpenOffice, etc.) are
> MUCH faster under 64-bit.
>
> I do run some 32-bit apps on it, however. Some examples are: 32-bit
> firefox so I can have Flash (there's no Flash plugin for 64-bit), Skype
> (no 64-bit version available), and Opera (same thing). They work fine
> and do seem a bit faster, but that's a purely subjective opinion. I've
> done no benchmarking on them. Your mileage may vary. It won't hurt to
> try running a 64-bit kernel and see what you think. You can always boot
> the 32-bit one if you don't care for it.
>
I'm also running FC5-64 and have run into the lack of a Flash plug-in.
What do I do to uninstall the 64 bit FireFox and put in 32 bit, the flash
plug-in, etc? Can yum do it? When I try to install Flash, the script seems
to do an OS check and then complain about it being 64 bit. How do you get
around that? For VoIP, I just installed the latest Gizmo Project, and it
seems to work fine.
THANKS!
Harold
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