1

railsapps@webby5973:~$ sudo gem list -r rails

*** REMOTE GEMS ***

ERROR:  http://rubygems.org/ does not appear to be a repository
ERROR:  While executing gem ... (Gem::RemoteFetcher::FetchError)
    too many connection resets (http://rubygems.org/yaml)
railsapps@webby5973:~$      

2

irb(main):003:0> require 'net/http'
=> true
irb(main):004:0> Net::HTTP.get_print 'google.com', '/index.html'
Timeout::Error: execution expired
	from /usr/lib/ruby/1.8/timeout.rb:60:in `rbuf_fill'
	from /usr/lib/ruby/1.8/net/protocol.rb:134:in `rbuf_fill'
	from /usr/lib/ruby/1.8/net/protocol.rb:116:in `readuntil'
	from /usr/lib/ruby/1.8/net/protocol.rb:126:in `readline'
	from /usr/lib/ruby/1.8/net/http.rb:2020:in `read_status_line'
	from /usr/lib/ruby/1.8/net/http.rb:2009:in `read_new'
	from /usr/lib/ruby/1.8/net/http.rb:1050:in `request'
	from /usr/lib/ruby/1.8/net/http.rb:948:in `request_get'
	from /usr/lib/ruby/1.8/net/http.rb:375:in `get_response'
	from /usr/lib/ruby/1.8/net/http.rb:543:in `start'
	from /usr/lib/ruby/1.8/net/http.rb:374:in `get_response'
	from /usr/lib/ruby/1.8/net/http.rb:337:in `get_print'
	from (irb):4
	from /usr/lib/ruby/1.8/net/http.rb:2174
irb(main):005:0> 

Atualize a versão do Ruby para resolver esse problema. Se você tiver usando Ubuntu 8.10, atualize ele para versão mais nova!