How can you see how many virtual CPUs / vCPU cores is on a VPS Hosted server?

Background

It’s really useful to see how many virtual CPUs (vCPU) cores you have when you’ve just upgraded your VPS hosting. Use the command below to count the number of cores:

grep -c ^processor /proc/cpuinfo

Reference

https://stackoverflow.com/questions/6481005/how-to-obtain-the-number-of-cpus-cores-in-linux-from-the-command-line