##rbenv
# cd /usr/local
# git clone git://github.com/sstephenson/rbenv.git rbenv
# vi /etc/profile
export RBENV_ROOT=/usr/local/rbenv
export PATH="$RBENV_ROOT/bin:$PATH"
eval "$(rbenv init -)"
$ . /etc/profile
# mkdir /usr/local/rbenv/plugins
# cd /usr/local/rbenv/plugins
# git clone git://github.com/sstephenson/ruby-build.git
# cd /usr/local/rbenv/plugins/ruby-build
# ./install.sh
# rbenv install -l
※バージョン番号-p数字が安定版?
# rbenv install 2.0.0-p353
「The Ruby openssl extension was not compiled. Missing the OpenSSL lib?」 -> OpenSSLライブラリが不足しているためインストール
# yum install openssl-devel
# rbenv rehash
# rbenv global 2.0.0-p353