unable to update gems on mac osx - Gem::RemoteFetcher::FetchError
Jon-MacBook-Pro:rubygems-1.3.7 jon$ sudo gem install rails
Password:
ERR开发者_Python百科OR: While executing gem ... (Gem::RemoteFetcher::FetchError)
SocketError: getaddrinfo: nodename nor servname provided, or not known (http://rubygems.org/gems/activesupport-2.3.8.gem)
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