It is a security feature introduced in the latest version of RVM

https://github.com/wayneeseguin/rvm/releases/tag/1.26.0

You just need to follow the instruction to import the key:

$ gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3

 

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during

 

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

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

vi ~/.bash_profile

添加source /etc/profile.d/rvm.sh

 

安装新版本的ruby

rvm install 1.9.3-p194

 

查看所有版本

rvm list known

 

使用版本

rvm use system

rvm use 1.9.3（切换）