rvm 安装ruby centos6.5

rvm 安装ruby centos6.5

yum install gcc-c++ patch readline readline-devel zlib zlib-devel 

yum install libyaml-devel libffi-devel openssl-devel make 

 yum install bzip2 autoconf automake libtool bison iconv-devel

rvm 安装要用普通用户.
然后切换taobao 源头.

>rvm gemset create 

>rvm use 2.2.2

解决 Gemset '' does not exist, 'rvm ruby-2.2.2 do rvm gemset create ' first, or append '--create'.

>rvm --create ruby-2.2.2

>rvm 2.2.2 --default

gem install execjs 
gem install therubyracer 
sudo apt-get install nodejs

RVM and Gemsets 使用.

http://blog.eddie.com.tw/2011/04/08/rvm-and-gemsets/

bash 添加rvm default 版本问题:

http://segmentfault.com/q/1010000000712443  

taobao ruby 安装

http://ruby.taobao.org/

rvm ruby 安装 注意别用root 

https://ruby-china.org/wiki/rvm-guide

http://segmentfault.com/a/1190000002922180

一般安装rvm&ruby:

http://www.jianshu.com/p/70d674bffd12 

http://stackoverflow.com/questions/15848635/rvm-not-recognizing-gemset