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Shunsuke Taguchi9,380 Points
Can't get a gem
I tried to install a gem but terminal says "You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory." What should I do?
Michael Hulet47,909 Points
sudo on that gem, like this:
sudo gem install #Whatever gem you're trying to install
It'll ask you for your password, which should be the same as the one you use to log into your Mac. It won't look like it's accepting your input while you're typing your password, but I promise it is