Trying to install 1.9.2-p290 in what appears to be a Red Hat machine. uname -a gives:
Linux web202.webfaction.com 2.6.18-238.9.1.el5PAE #1 SMP Tue Apr 12 18:52:55 EDT 2011 i686 i686 i386 GNU/Linux
when I do 'ruby-build --definitions', I get:
I'm on ruby-build 20111030.