http://codebrane.com/blog/?p=1804
Upgrading ruby
with rvm
16 July, 2011 (10:14) | howTo, ruby
I’ve got ruby-1.9.2-p180 running under rvm and p290 has just come out. How to upgrade?
rvm get head
rvm reload
rvm upgrade ruby-1.9.2-p180 ruby-1.9.2-p290
rvm ruby-1.9.2-p290 --default
simples!