Ruby on Rails

Hey guys, I'm having this same zlib problem on gems. See my output below
for what I have installed, and the error I get when I try and run any
gem commands. Also as you can see I have zlib[devel] installed. Some one
mentioned something about the headers being installed with zlib??? I'm
not sure I know what that means...could someone enlighten me? Any help
appreciated...thanx!

[root@dhcp226-12 ruby-1.9.2-p136]# ruby -v
ruby 1.9.2p136 (2010-12-25 revision 30365) [i686-linux]
[root@dhcp226-12 ruby-1.9.2-p136]# gem -v
1.3.7
[root@dhcp226-12 ruby-1.9.2-p136]# rails -v
Rails 2.3.5
[root@dhcp226-12 ruby-1.9.2-p136]# gem install rails
ERROR: Loading command: install (LoadError)
no such file to load -- zlib
ERROR: While executing gem ... (NameError)
uninitialized constant Gem::Commands::InstallCommand
[root@dhcp226-12 ruby-1.9.2-p136]# yum install zlib zlib-devel
Loaded plugins: presto, refresh-packagekit
Setting up Install Process
Package zlib-1.2.3-23.fc12.i686 already installed and latest version
Package zlib-devel-1.2.3-23.fc12.i686 already installed and latest
version
Nothing to do

Zoltan Gero wrote in post #937552:
> ! Excellent :) If you have any further question, just ask
> it,
> all the bests,
> gezope
>
> 2010/9/2 Juan Costa <lists@ruby-forum.com>

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