# yum -y install libyaml libyaml-devel zlib zlib-devel readline readline-devel openssl openssl-devel libxml2 libxml2-devel libxslt libxslt-devel
# cd /usr/local
# git clone git@github.com:sstephenson/rbenv.git rbenv
# mkdir rbenv/shims rbenv/versions rbenv/plugins
# cd rbenv/plugins
# git clone git@github.com:sstephenson/ruby-build.git ruby-build
# cd /usr/local
# groupadd rbenv
# chgrp -R rbenv rbenv
# chmod -R g+rwxXs rbenv
/etc/profile.d/rbenv.sh
を下記の内容で作成
export RBENV_ROOT=/usr/local/rbenv
export PATH="$RBENV_ROOT/bin:$PATH"
eval "$(rbenv init -)"