How do I install ruby gems on Mac

Question

How do I install RubyGems on my Mac?

I tried to run $ gem install rubygems-update with no luck . It returns

ERROR:  While executing gem ...          


        

Answer 1

You may have to install manually in which case (as per the official website):

1. Go to the official website and download the zip file
2. Unzip the file in a directory.
3. Then go to the directory in your terminal and run: ruby setup.rb