使用rvm安装ruby

更新一下包

# yum install -y gcc-c++ patch readline readline-devel zlib zlib-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison iconv-devel

安装rvm

# gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3

# curl -L get.rvm.io | bash -s stable

查看版本

# rvm -v

# echo "source /etc/profile.d/rvm.sh" >> ~/.bashrc

# su -

更改安装源

sed -i 's/ftp.ruby-lang.org/cache.ruby-lang.org/' /usr/local/rvm/config/

安装

# rvm list know

# rvm install 2.3.0

# rvm use 2.3.0 --default

# ruby -v

# gem -v

# gem install sass