Ruby из исходников:

# yum install -y \
wget \
make \
gcc



# yum install -y zlib zlib-devel


// libyaml-devel

curl -O http://www6.atomicorp.com/channels/atomic/centos/6/x86_64/RPMS/atomic-release-1.0-14.el6.art.noarch.rpm
rpm -Uvh atomic-release-1.0-14.el6.art.noarch.rpm
yum install -y libyaml-devel


# mkdir /tmp/ruby && cd /tmp/ruby
# wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p327.tar.gz
# tar xfvz ruby-1.9.3-p327.tar.gz
# cd ruby-1.9.3-p327
# ./configure && make && make install


# gem install bundler