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
…
