install_ruby_2.1_centos.sh

#!/usr/bin/env bash
# repository

yum -y remove ruby

yum -y update

yum -y install curl wget

cd /tmp/ && mkdir -p kit && cd kit

wget http://ftp.astral.ro/mirrors/fedora/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

rpm -ivh epel-release-6-8.noarch.rpm

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

sudo sed -i "s/mirrorlist=https/mirrorlist=http/" /etc/yum.repos.d/epel.repo

yum -y groupinstall "Development tools"

yum -y install libxslt-devel libyaml-devel libxml2-devel gdbm-devel libffi-devel zlib-devel openssl-devel libyaml-devel readline-devel curl-devel openssl-devel pcre-devel git memcached-devel valgrind-devel mysql-devel ImageMagick-devel ImageMagick

wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.2.tar.gz

tar xvfvz ruby-2.1.2.tar.gz
cd ruby-2.1.2
./configure --prefix=/usr
make
make install

# ruby-gems
version=2.2.0
cd ..
wget http://production.cf.rubygems.org/rubygems/rubygems-$version.tgz
tar zxvf rubygems-$version.tgz
cd rubygems-$version
/usr/bin/ruby setup.rb

gem install bundler --no-ri --no-rdoc