rvm install: ruby installation error

Question

I want to install ruby on my Linux Mint 12.

I am following this tutorial and this one.

when I run rvm install 1.9.3 I see this error:

Answer 1

cat /usr/share/ruby-rvm/log/ruby-1.9.3/extract.log

It seems to me you don't have installed bunzip2. You should install it