ubuntu rbenv、ruby、rails开发环境搭建

    # ! /usr/bin/sh
    # Ubuntu系统下安装ruby/rails必要的库和编译环境
    sudo apt-get update
    sudo apt-get install -y build-essential openssl curl libcurl3-dev libreadline6 libreadline6-dev git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf automake libtool imagemagick libmagickwand-dev libpcre3-dev libsqlite3-dev
    # rbenv环境安装
    git clone https://github.com/sstephenson/rbenv.git ~/.rbenv
    echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
    echo 'eval "$(rbenv init -)"' >> ~/.bashrc
    source ~/.bashrc
    type rbenv
    git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
    # ruby环境安装，首先列出可安装的版本，然后选择后进行下载编译
    rbenv install -l
    rbenv install 1.9.3-p448
    # 设置当前使用的ruby版本并将gem的源改为淘宝镜像
    rbenv global 1.9.3-p448
    gem sources --remove https://rubygems.org/
    gem sources -a http://ruby.taobao.org/
    # 安装rails
    gem install bundler rails
    # 检查安装后的软件版本
    ruby -v
    gem -v
    rake -V
    rails -v
    # 安装JAVA
    sudo add-apt-repository ppa:webupd8team/java
    sudo apt-get update
    sudo apt-get install oracle-java6-installer
    # 升级
    #sudo update-java-alternatives -s java-6-oracle
    # 设置JAVA环境变量
    sudo apt-get install oracle-java6-set-default

    # 设置JAVA字符
    sudo mkdir /usr/lib/jvm/java-6-oracle/jre/lib/fonts/fallback
    cd /usr/lib/jvm/java-6-oracle/jre/lib/fonts/fallback
    sudo ln -s /usr/share/fonts/truetype/wqy/wqy-microhei.ttc wqy-microhei.ttf
    sudo ln -s /usr/share/fonts/truetype/wqy/wqy-zenhei.ttc wqy-zenhei.ttf

    # 安装node.js（已经包含npm）
    sudo add-apt-repository ppa:chris-lea/node.js
    sudo apt-get update
    sudo apt-get install nodejs