thufir@dur:~/ruby$
thufir@dur:~/ruby$
thufir@dur:~/ruby$
thufir@dur:~/ruby$ gem list --all

*** LOCAL GEMS ***

bundler (1.3.5)
bundler-unload (1.0.1)
open4 (1.3.0)
rake (10.1.0)
rubygems-bundler (1.2.2)
rvm (1.11.3.8)
ssh (1.1.0)
thufir@dur:~/ruby$
thufir@dur:~/ruby$ ruby --version
ruby 2.0.0p247 (2013-06-27 revision 41674) [i686-linux]
thufir@dur:~/ruby$
thufir@dur:~/ruby$ gem --version
2.0.7
thufir@dur:~/ruby$
thufir@dur:~/ruby$ rvm --version

rvm 1.22.3 (stable) by Wayne E. Seguin <[email protected]>, Michal Papis <[email protected]> [https://rvm.io/]

thufir@dur:~/ruby$
thufir@dur:~/ruby$ which ruby
/home/thufir/.rvm/rubies/ruby-2.0.0-p247/bin/ruby
thufir@dur:~/ruby$
thufir@dur:~/ruby$ which gem
/home/thufir/.rvm/rubies/ruby-2.0.0-p247/bin/gem
thufir@dur:~/ruby$
thufir@dur:~/ruby$ ruby ssh.rb
/home/thufir/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require': cannot load such file -- net/ssh (LoadError)
	from /home/thufir/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
	from ssh.rb:3:in `<main>'
thufir@dur:~/ruby$
thufir@dur:~/ruby$ head ssh.rb -n 3
#!/usr/bin/env ruby
require 'rubygems'
require 'net/ssh'
thufir@dur:~/ruby$
thufir@dur:~/ruby$
thufir@dur:~/ruby$