Why You Should Never Use sudo to Install Ruby Gems

10-Dec-2020 1311
These errors are common because macOS (and previously OS X) doesn't come out of the box with a proper Ruby development environment. There is an easy, quick, and safe solution, but unfortunately most people don't know about it, or try to make it more complicated than it should be, or worse, they tell people to use the dangerous sudo command without understanding the implications.
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