rubyproblem.rb

my-machine:/usr/lib64/ruby/gems/1.8/gems # ls -dlh puppet*
lrwxrwxrwx 1 root root 40 Sep 23 10:01 puppet-3.8.7 -> /usr/lib/ruby/gems/1.8/gems/puppet-3.8.7
my-machine:/usr/lib64/ruby/gems/1.8/gems # ls -dlh puppet*/Gemfile
-rw-r--r-- 1 root root 3.6K Aug 19 14:44 puppet-3.8.7/Gemfile
my-machine:/usr/lib64/ruby/gems/1.8/gems # irb
irb(main):001:0> $:
=> ["/usr/lib64/ruby/site_ruby/1.8", "/usr/lib64/ruby/site_ruby/1.8/x86_64-linux", "/usr/lib64/ruby/site_ruby", "/usr/lib64/ruby/vendor_ruby/1.8", "/usr/lib64/ruby/vendor_ruby/1.8/x86_64-linux", "/usr/lib64/ruby/vendor_ruby", "/usr/lib64/ruby/1.8", "/usr/lib64/ruby/1.8/x86_64-linux", "."]
irb(main):002:0> require 'rubygems'; gem 'puppet', '3.8.7'
Gem::LoadError: Could not find puppet (= 3.8.7) amongst [bundler-1.12.5, facter-2.4.6, hiera-1.3.4, json_pure-2.0.2, rack-1.6.4, rack-protection-1.5.3, ruby-augeas-0.5.0, ruby-shadow-2.4.1, sinatra-1.4.7, tilt-2.0.5]
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/dependency.rb:247:in `to_specs'
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/dependency.rb:256:in `to_spec'
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems.rb:1208:in `gem'
        from (irb):2
        from :0
irb(main):003:0> require 'rubygems'; gem 'puppet'
Gem::LoadError: Could not find puppet (>= 0) amongst [bundler-1.12.5, facter-2.4.6, hiera-1.3.4, json_pure-2.0.2, rack-1.6.4, rack-protection-1.5.3, ruby-augeas-0.5.0, ruby-shadow-2.4.1, sinatra-1.4.7, tilt-2.0.5]
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/dependency.rb:247:in `to_specs'
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/dependency.rb:256:in `to_spec'
        from /usr/lib64/ruby/vendor_ruby/1.8/rubygems.rb:1208:in `gem'
        from (irb):3
        from :0