From: Victor Stan Date: 2011-02-09T05:13:51+09:00 Subject: Re: 1.9.2 irb and readline problem on ubuntu Had same issue, this is what did it for me: apt-get update apt-get install libreadline5-dev rvm package install readline rvm package install zlib # probably not necessary rvm install 1.9.2 -C --with-zlib-dir=/usr/local/rvm/usr/lib --with-readline-dir=/usr/local/rvm/usr/lib -- Posted via http://www.ruby-forum.com/.