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I'm trying to install a gem using gem install mygem or update RubyGems using gem update --system, and it fails with this error:
ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory. Does anyone have an idea how to solve this?
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Open up the 'Software Center' app from your launcher and type in `RubyGems` without quotes into the application search box at the top right, and press [enter]. RubyGems then can be installed by just clicking on the button labeled 'Install', thats it.
Try adding --user-install instead of using sudo:
gem install mygem --user-install If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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