ruby - Gem uninstall permission denied @ rb_sysopen -

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i'm having problems gems install. believe installed sudo. tried uninstall using:

gem uninstall -aix /usr/local/cellar/ruby/2.2.2/lib/ruby/2.2.0/rubygems/stub_specification.rb:75:in `initialize': permission denied @ rb_sysopen - /usr/local/lib/ruby/gems/2.2.0/specifications/bundler-1.10.5.gemspec (errno::eacces)

any fantastic.


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