在Ubuntu 12.04 上配置Ruby的开发环境：
1 ) 安装基本依赖包
sudo apt-get install git curl build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev autoconf libc6-dev libncurses5-dev automake libtool bison subversion
2）配置Git
git config --global user.name YourName
git config --global user.email Your email
3）安装RVM
bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )
4）配置
vi .bashrc
结尾加上
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
然后reload bashrc
source .bashrc
5）安装Ruby
rvm pkg install zlib
rvm install 1.9.3
rvm use 1.9.3
gem install rails