Get the number of CPUs/cores in Linux from the command line

This post introduces how to find out the number of CPUs/cores on Linux machines from command line.

  • method 1:

$ nproc –all

20   # this means there are 20 cores on the linux machine.

  • method 2:

$ lscpu

CPU(s):                20

On-line CPU(s) list:   0-19

Thread(s) per core:    2

Core(s) per socket:    10

 

 

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