Re: How to determine 64 vs 32 bit processor

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On 04/10/2013 09:58 AM, Robert Moskowitz wrote:
> I have been tied up with other work and Holidays.  Now back to some 
> server work that is long overdue.  I lost an old server yesterday so it 
> is crunch time.
> 
> I believe my new platform is suppose to be an x86_64.  The order form 
> says 64 bit.
> 
> I booted Centos 6.3 i386 liveCD to check the system out before an install.
> 
> uname -i
> 
> reports i386
> 
> dmidecode -t processor
> 
> reports Characteristics of 64 bit capable.  The processor is an AMD 
> duo-core Opteron.
> 
> I thought that in a prior thread I found that booting with an i386 live 
> CD and using uname would confirm the processor type.  It seems not.
> 
> I am going to go with the various evidence and start a x86_64 install, 
> but what is with uname?
> 
> thanks

uname reports the architecture that the running operating system was
compiled for. Since you booted an i386-compiled OS, it will report as such.

To confirm the details of the hardware, examine /proc/cpuinfo .

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