centosのアップデート時のサーバ指定

[base]
name=CentOS-$releasever - Base
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/os/$basearch/
gpgcheck=1

#released updates
[update]
name=CentOS-$releasever - Updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/updates/$basearch/
gpgcheck=1

#packages used/produced in the build but not released
[addons]
name=CentOS-$releasever - Addons
#baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/addons/$basearch/
gpgcheck=1

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/extras/$basearch/
gpgcheck=1

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
##baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0

#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib
##baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/contrib/$basearch/
gpgcheck=1
enabled=0

#packages in testing
[testing]
name=CentOS-$releasever - Testing
##baseurl=http://mirror.centos.org/centos/$releasever/testing/$basearch/
baseurl=http://ftp.riken.jp/Linux/centos/$releasever/testing/$basearch/
gpgcheck=1
enabled=0