Ruby on Rails

gem update --system

On Saturday, March 31, 2012 6:00:19 AM UTC+3, Ruby-Forum.com User wrote:

I'm trying to install Ruby on Rails on Ubuntu 11.10, but receiving this
error:

    $ sudo gem install rails
    ERROR:  While executing gem ... (Gem::DependencyError)
        Unable to resolve dependencies: rails requires activesupport (=
3.2.3), actionpack (= 3.2.3), activerecord (= 3.2.3), activeresource (=
3.2.3), actionmailer (= 3.2.3), railties (= 3.2.3)

How can I fix this?

Note: Git (1.7.5.4 ) and Ruby (1.9.2p290) are installed properly.

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