Upgrade ruby to version 11.04 on ubuntu 1.9

#! /Bin/bash
Sudo apt-get-y install zlib1g-dev libssl-dev libreadline5-dev libyaml-dev build-essential bison checkinstall
Cd/tmp
Wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.gz
Tar xvzf ruby-1.9.2-p290.tar.gz
Cd ruby-1.9.2-p290 www.2cto.com
./Configure -- prefix =/usr \
-- Program-suffix = 1.9.2 \
-- With-ruby-version = 1.9.2 \
-- Disable-install-doc
Make
Sudo checkinstall-D-y \
-- Fstrans = no \
-- Nodoc \
-- Pkgname = 'ruby1. 9.2 '\
-- Pkgversion = '1. 9.2-p290 '\
-- Provides = 'ruby '\
-- Requires = 'libbc6, libffi5, libgdbm3, libncurses5, libreadline5, openssl, libyaml-0-2, zlib1g '\
-- Maintainer = murrain@gmail.com
Sudo update-alternatives -- install/usr/bin/ruby/usr/bin/ruby1.9.2 500 \
-- Slave/usr/bin/ri/usr/bin/ri1.9.2 \
-- Slave/usr/bin/irb/usr/bin/irb1.9.2 \
-- Slave/usr/bin/gem/usr/bin/gem1.9.2 \
-- Slave/usr/bin/erb/usr/bin/erb1.9.2 \
-- Slave/usr/bin/rdoc/usr/bin/rdoc1.9.2

From: An accidental climax