CPU or BORD serial number

**amihay_tabul** · 08-10-2003

Hi all
How can a read CPU or BORD serial number?I am a new member on this site and I need your help on this issue.
I know there are some files in /proc but I didn’t find any S/N!

Thanks

Amihay Tabul

**andutt** · 08-10-2003

In the /proc/cpuinfo you can see a little information on your cpu:s on your system, but im not sure if you can see the serialnumber though. Just execute this command as the root-user.

Code:

cat /proc/cpuinfo

**amihay_tabul** · 08-10-2003

i did look at /proc/cpuinfo but there is no Serial Number.

but thanks

**Dolda2000** · 08-10-2003

Serial number? Are you referring to the CPUID stuff that they added some years ago in order to be able to identify a single processor? In that case, you can get it from /proc/cpu/*/cpuid, provided that the system is running on a kernel that is configured to provide that. Also, those files act like /dev/zero once the CPUID has been read, so you'll need to do something like this:

Code:

dd if=/dev/cpuid/0/cpuid bs=32 count=1 2>/dev/null

Or if you're writing a C program, just read the first 32 bytes and then ignore the rest.

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