From: Xeno Campanoli <xcampanoli@...>
Date: 2008-05-06T04:17:52+09:00
Subject: Capistrano on CentOS won't go

[bary@miller ~]$ cap -T
/usr/lib/ruby/site_ruby/1.8/rubygems.rb:523:in `report_activate_error': 
Could not find RubyGem net-scp (>= 1.0.0) (Gem::LoadError)
	from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:131:in `activate'
	from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:155:in `activate'
	from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:154:in `each'
	from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:154:in `activate'
	from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:49:in `gem'
	from /usr/bin/cap:18
[bary@miller ~]$

I did the same gem install on my Ubuntu, and it works fine there. 
Anyone have a suggestion?  I know, I know, RedHat is typically just broken.