~$ uname -a
Linux desknode1 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

~$ grep --color "model name" /proc/cpuinfo
model name  : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
model name  : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
model name  : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
model name  : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
~$

$ lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 23
Stepping:              6
CPU MHz:               2659.954
BogoMIPS:              5320.00
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              6144K
NUMA node0 CPU(s):     0-3