yum のリポジトリを日本国内に変更する。
CentOS-Base.repo CentOS-Media.repo
[base]
name=CentOS-$releasever - Base
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://ftp.riken.jp/centos/Linux/centos/$releaserver/os/$basearch/RPM-GPG-KEY-CentOS-5
[update]
name=CentOS-$releasever - Updates
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://ftp.riken.jp/centos/Linux/centos/$releaserver/os/$basearch/RPM-GPG-KEY-CentOS-5
[addons]
name=CentOS-$releasever - Addons
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/addons/$basearch/
gpgcheck=1
gpgkey=http://ftp.riken.jp/centos/Linux/centos/$releaserver/os/$basearch/RPM-GPG-KEY-CentOS-5
[extras]
name=CentOS-$releasever - Extras
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/extras/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://ftp.riken.jp/centos/Linux/centos/$releaserver/os/$basearch/RPM-GPG-KEY-CentOS-5