Snorby run error

[yoosoof]

Hi, i installed all the required Ruby & Gems, when i run " ruby server -e production -p 3000 -d ", i get an error : Rails requires RubyGems >= . Please install RubyGems and try again: http://rubygems.rubyforge.org

But i have rubygems installed, :

[root@SNORT script]# gem list

*** LOCAL GEMS ***

actionmailer (2.3.2)
actionpack (2.3.2)
activerecord (2.3.2)
activeresource (2.3.2)
activesupport (2.3.2)
mysql (2.8.1)
prawn (0.8.4)
prawn-core (0.8.4)
prawn-layout (0.8.4)
prawn-security (0.8.4)
rails (2.3.2)
rake (0.8.7)
rubygems-update (1.3.7)

Can anyone help me to solve this issue?

Thanks