Creating a new rails 3 project over a proxy in windows -

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My computer works on a proxy, so I use the following command to install prisons 

  gem install -p http // # {proxy-server}: # {port} rails   
 If I use the normal gem installed order, Error gets  can not get gem . I set up 3.1 rails today and tried to create a new project. Halfway when generating files, the generator executed the  run bundle install  and ended the same error  
  Source index for http://rubygems.org Receiving / RabbiGemage repository could not be reached http://rubygems.org/ Mani 'twist (& gt; = 0, runtime)' could not be found in any gem source listed in your Gemfile.   
 The generator is trying to install some gems without proxy. How can I override this existing functionality? I want the generator to use  gem install -p http // # {proxy-server}: instead of  gem install # {gem}  # {port} # {gem}  / Code>   
 
 
 Add the given option to your  
  gem : -p http // # {Proxy-server}: # {port}   
 Under Unix, this file is located under  ~ / .gemrc , which I do not know, but should be according to  
  # under Windows XP: \ Documents and Settings \ All Users \ Application Data \ gemrc # Windows Vis Ta / Seven C: \ ProgramData \ gemrc for Windows Vista / Seven   
 There is no need to create an RC file if not currently.

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