Installation trouble?


I am very new to ruby and have hit a wall with the installation. I am
using a Mac OS X 10.4.11(Tiger). I got everything installed correctly
(Ruby Version 1.8.6, RubyGems 1.3.2, Rails Version 2.3.2, db adapter
sqlite3) and I was trying to work through the Agile Web D. with
Rails 2nd edition. There was an issue with scaffold being deprecated in
newer versions so I scoured the web to find a fix. I tried to uninstall
RubyGems 1.3.2 so that I could work through the book edition 2 with the
intention of installing the newer version later. However now when I try
to start the server I get the message

Rails requires RubyGems >= 1.3.1 (you have 0.9.2). Please gem update --system and try again.

and when I try to update my gems or indeed run any other gem command I
get the error

load_specification': private methodspecification_version=’ called for
#Gem::Specification:0x10b01d4 (NoMethodError)
initialize' from (eval):3:innew’
from (eval):3:in load_specification' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:128:ineval’
load_specification' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:128:inload_gems_in’
/usr/local/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:127:in each' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:127:inload_gems_in’
… 14 levels…
gem_original_require' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:inrequire’
from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:112:in
from /usr/local/bin/gem:10

I’m really at a loss so any help would be greatly appreciated. Please
bear in mind that I am very new to Macs and Ruby.

Kind regards,


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