[kwlug-disc] 64 bit install
Khalid Baheyeldin
kb at 2bits.com
Thu Sep 24 13:47:54 EDT 2009
On Thu, Sep 24, 2009 at 1:33 PM, Insurance Squared Inc. <
gcooke at insurancesquared.com> wrote:
> To run 64 bit installs of linux, do I need 64 bit hardware? I tried to
> install on a Xeon machine and it objected that the hardware was only 32 bit.
> (It's a 32 bit machine for the same reason I drive a Chrysler. All I could
> afford at the time :) ).
>
I thought Xeons are all 64 bits.
To be sure, run this command from a bootable CD and see if it returns back
something:
# grep -w lm /proc/cpuinfo
lm stands for long mode.
> In the same vein, if I install a 32 bit install of say Mandriva on a
> machine with 8 gigs of ram, would one expect that the kernel being installed
> will address all 8 gigs?
No. Unless you have the bigmem patch.
> i.e. do distro installs check for that stuff automatically these days?
>
>
--
Khalid M. Baheyeldin
2bits.com, Inc.
http://2bits.com
Drupal optimization, development, customization and consulting.
Simplicity is prerequisite for reliability. -- Edsger W.Dijkstra
Simplicity is the ultimate sophistication. -- Leonardo da Vinci
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