I had trouble with gem on 64 bit linux systems in the past.  I had to resort
to building gem from source to get any resolution.  The latest 32-bit
version of Ubuntu, 9.04, has gem version 1.3.1, which I believe resolves
this problem.

2009/7/31 Tena Sakai <tsakai / gallo.ucsf.edu>

> Hi,
>
> I am a Ruby newbie.
>
> The version I am using is:
>
>  ruby 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux]
>
> The following commands work (or I haven't found anything
> disagreeable so far):
>
>  irb
>  ruby
>  ri
>
> But gem doesn't work for me.  Here's what happens:
>
>  $ gem
>  /usr/local/bin/gem:8:in `require': no such file to load -- rubygems
> (LoadError)
>          from /usr/local/bin/gem:8
>
> I look at /usr/local/bin/gem and here are three lines, starting at line 8:
>
>  require 'rubygems'
>  require 'rubygems/gem_runner'
>  require 'rubygems/exceptions'
>
> So the complaint is that it doesn't find these files.
>
> I ran find, like this:
>
>  $ sudo find / -name rubygems\*
>  Password:
>  /home/tsakai/Notes/Ruby/ruby-1.9.1-p129/lib/rubygems
>  /home/tsakai/Notes/Ruby/ruby-1.9.1-p129/lib/rubygems/rubygems_version.rb
>  /home/tsakai/Notes/Ruby/ruby-1.9.1-p129/lib/rubygems.rb
>  /home/tsakai/Notes/Ruby/ruby-1.9.1-p129/test/rubygems
>  /usr/local/lib/ruby/1.9.1/rubygems
>  /usr/local/lib/ruby/1.9.1/rubygems/rubygems_version.rb
>  /usr/local/lib/ruby/1.9.1/rubygems.rb
>  $
>
> I have reasons that I don't want to use 1.9.1.  I do want to use 1.8.7.
>
> So...  My question is where do I have to go to get what's
> necessary to run gems under 1.8.7?
>
> Also, if there are some tips as to what I must do to get
> it working, I would appreciate it very much.
>
> Thank you in advance.
>
> Regards,
>
> Tena Sakai
> tsakai / gallo.ucsf.edu
>
>


-- 
Regards,

Ken

Seek wisdom through disbelief