From: "Efe A." Date: 2013-02-07T05:15:14+09:00 Subject: Re: error: cannot load such file — zlib Here's the output. But i already done these. Still no luck. Requirements for ubuntu/12.10/i386 NOTE: 'ruby' represents Matz's Ruby Interpreter (MRI) (1.8.X, 1.9.X) This is the *original* / standard Ruby Language Interpreter 'ree' represents Ruby Enterprise Edition 'rbx' represents Rubinius Additional Dependencies: # For update-system: sudo apt-get update # For rvm: sudo apt-get --no-install-recommends install bash curl git patch bzip2 # For ruby: sudo apt-get --no-install-recommends install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev libgdbm-dev ncurses-dev automake libtool bison subversion pkg-config libffi-dev # For jruby: sudo apt-get --no-install-recommends install curl g++ openjdk-6-jre-headless -- Posted via http://www.ruby-forum.com/.