リポジトリ追加 $ sudo vi /etc/yum.repos.d/CentOS-Base.repo -- [dag] name=Dag RPM Repository for Redhat EL5 baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag gpgcheck=1 enabled=0 gpgkey=http://dag.wieers.com/packages/RPM-GPG-KE…