CentOS 3.9でyumを使えるようにリポジトリを設定します。

yum.confを設定し直します。

リポジトリの場所
http://vault.centos.org/

/etc/yum.confを編集します。
# nano /etc/yum.conf

[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
installonlypkgs=kernel kernel-smp kernel-hugemem kernel-enterprise kernel-debug kernel-unsupported kernel-smp-unsupported kernel-hugemem-unsupported
tolerant=1
exactarch=1

[base]
name=CentOS-$releasever - Base
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=http://vault.centos.org/3.9/os/$basearch/
gpgcheck=1

#released updates
[update]
name=CentOS-$releasever - Updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=http://vault.centos.org/3.9/updates/$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/$basearch/
baseurl=http://vault.centos.org/3.9/addons/$basearch/

gpgcheck=1
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=http://vault.centos.org/3.9/extras/$basearch/
gpgcheck=1

#additional packages that extend functionality of existing packages
#[centosplus]
#name=CentOS-$releasever - Plus
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
baseurl=http://vault.centos.org/3.9/centosplus/$basearch/
#gpgcheck=1

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

#between point release supported updates
#[fasttrack]
#name=CentOS-$releasever - Fasttrack
#baseurl=http://mirror.centos.org/centos/$releasever/fasttrack/$basearch/
#gpgcheck=1

GPG-KEYを設定します。

# rpm --import http://vault.centos.org/3.9/os/i386/RPM-GPG-KEY-CentOS-3

2011.10.31