How Do You Troubleshoot the Error Message “usermod: group ‘wheel’ does not exist”

Problem scenario
You run "sudo usermod -aG wheel jdoe" but you get "usermod: group 'wheel' does not exist." What should you do?

Possible solution #1
Run this:

sudo usermod -aG admin jdoe

Some Linux distributions such as Ubuntu* use "admin" instead of "wheel"

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