OSはUbuntu12.04 # ruby sudo apt-get install g++ libssl-dev zlib1g-dev libreadline-dev libxslt-dev libxml2-dev wget http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz tar zxvf yaml-0.1.4.tar.gz sudo mv yaml-0.1.4/ /usr/local/src/ cd /usr/…