-> yum install ruby
Loaded plugins: fastestmirror, security
Determining fastest mirrors
 * addons: centos.arvixe.com
 * base: mirror.cogentco.com
 * extras: mirror.fdcservers.net
 * rpmforge: mirror.teklinks.com
 * updates: centos.mirrors.tds.net
addons                                                   | 1.9 kB     00:00
base                                                     | 1.1 kB     00:00
extras                                                   | 2.1 kB     00:00
rpmforge                                                 | 1.9 kB     00:00
updates                                                  | 1.9 kB     00:00
updates/primary_db                                       | 388 kB     00:00
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package ruby.i386 0:1.8.5-31.el5_9 set to be updated
--> Processing Dependency: ruby-libs = 1.8.5-31.el5_9 for package: ruby
--> Running transaction check
---> Package ruby-libs.i386 0:1.8.5-31.el5_9 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package            Arch          Version                   Repository     Size
================================================================================
Installing:
 ruby               i386          1.8.5-31.el5_9            base          279 k
Updating for dependencies:
 ruby-libs          i386          1.8.5-31.el5_9            base          1.6 M

Transaction Summary
================================================================================
Install       1 Package(s)
Upgrade       1 Package(s)

Total download size: 1.9 M
Is this ok [y/N]: y
Downloading Packages:
(1/2): ruby-1.8.5-31.el5_9.i386.rpm                      | 279 kB     00:00
(2/2): ruby-libs-1.8.5-31.el5_9.i386.rpm                 | 1.6 MB     00:00
--------------------------------------------------------------------------------
Total                                           2.9 MB/s | 1.9 MB     00:00
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Updating       : ruby-libs                                                1/3
/sbin/ldconfig: /usr/lib/libtcl8.4.so is not a symbolic link

  Installing     : ruby                                                     2/3
  Cleanup        : ruby-libs                                                3/3
/sbin/ldconfig: /usr/lib/libtcl8.4.so is not a symbolic link


Installed:
  ruby.i386 0:1.8.5-31.el5_9

Dependency Updated:
  ruby-libs.i386 0:1.8.5-31.el5_9

Complete!
root@helium ~ -> yum install rubygems
Traceback (most recent call last):
  File "/usr/bin/yum", line 4, in ?
    import yum
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 51, in ?
    import config
  File "/usr/lib/python2.4/site-packages/yum/config.py", line 27, in ?
    from parser import ConfigPreProcessor
  File "/usr/lib/python2.4/site-packages/yum/parser.py", line 3, in ?
    import urlgrabber
  File "/usr/lib/python2.4/site-packages/urlgrabber/__init__.py", line 53, in ?
    from grabber import urlgrab, urlopen, urlread
  File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 412, in ?
    import keepalive
  File "/usr/lib/python2.4/site-packages/urlgrabber/keepalive.py", line 339, in ?
    class HTTPSHandler(KeepAliveHandler, urllib2.HTTPSHandler):
AttributeError: 'module' object has no attribute 'HTTPSHandler'