It use rails 3.0 v .but when I try to generate scaffold it perform me Could not find gem ''mysql2 (>= 0, runtime)'' in any of the gem sources. Try running `bundle install`. I already tried but It''s error and show bunch of massage Using rake (0.8.7) /usr/local/lib/site_ruby/1.8/rubygems/remote_fetcher.rb:180:in `fetch_path'': SocketError: getaddrinfo: Name or service not known (http://rubygems.org/quick/Marshal.4.8/abstract-1.0.0.gemspec.rz) (Gem::RemoteFetcher::FetchError) from /usr/local/lib/site_ruby/1.8/rubygems/spec_fetcher.rb:106:in `fetch_spec'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/remote_specification.rb:47:in `_remote_specification'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/remote_specification.rb:25:in `fetch_platform'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/source.rb:247:in `download_gem_from_uri'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/source.rb:76:in `fetch'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/installer.rb:45:in `run'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/spec_set.rb:12:in `each'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/spec_set.rb:12:in `each'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/installer.rb:44:in `run'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/installer.rb:8:in `install'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/cli.rb:217:in `install'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/vendor/thor/task.rb:22:in `send'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/vendor/thor/task.rb:22:in `run'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/vendor/thor.rb:246:in `dispatch'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/lib/bundler/vendor/thor/base.rb:389:in `start'' from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.0/bin/bundle:13 from /usr/bin/bundle:19:in `load'' from /usr/bin/bundle:19 What '' s wrong and what should I do Very thanks again -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.