ruby install(설치는 rvm을 이용) yum install libyaml-devel glibc-headers autoconf gcc-c++ glibc-devel patch readline-devel zlib-devel libffi-devel openssl-devel automake libtool bison sqlite-devel curl -sSL https://get.rvm.io | bash -s stable --ruby curl -sSL https://rvm.io/mpapis.asc | sudo gpg2 --import - curl -sSL https://rvm.io/pkuczynski.asc | sudo gpg2 --import - curl -sSL https://get.rvm.io | ba..
