●設定作業

　参考URL：RHEL 6.2のyumでCentOSのリポジトリを使えるように変更

　Red Hat Enterprise Linux 6.4がインストールされているサーバでCentOS 6のリポジトリを使えるように変更しました。

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 6.4 (Santiago)
# rpm -qa|grep kernel
libreport-plugin-kerneloops-2.0.9-15.el6.x86_64
dracut-kernel-004-303.el6.noarch
kernel-firmware-2.6.32-358.el6.noarch
abrt-addon-kerneloops-2.0.8-15.el6.x86_64
kernel-2.6.32-358.el6.x86_64
# cd /etc/yum.repos.d/
# ls -l
-rw-r--r--. 1 root root 529  1\u6708 30 00:47 2013 rhel-source.repo
# vi /tmp/CentOS-Base.repo
[base]
name=CentOS-$releasever - Base
mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=os
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
[updates]
name=CentOS-$releasever - Updates
mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
[extras]
name=CentOS-$releasever - Extras
mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=extras
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
# mv -i /tmp/CentOS-Base.repo /etc/yum.repos.d/
# vi /etc/yum/vars/releasever
$ ls -l /etc/yum/vars/releasever
-rw-r--r-- 1 root root 4 May 22 16:29 /etc/yum/vars/releasever
$ cat /etc/yum/vars/releasever
6.4
# yum -y install yum-fastestmirror
# yum -y --enablerepo=base update --skip-broken
　（40分以上時間がかかりました）
$ yum repolist all