Berikut adalah repository lokal IIX. edit file /etc/yum.repos.d/CentOS-Base.repo dengan :

[base]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/os/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

#released updates
[updates]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/updates/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

#packages used/produced in the build but not released
[addons]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/addons/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

#additional packages that may be useful
[extras]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/extras/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/centosplus/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

[Fasttrack]
name=CentOS
baseurl=http://kambing.ui.ac.id/centos/5/fasttrack/i386/
enabled=1
gpgcheck=1
gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-5

Kemudian, ketik yum update untuk memastikan repositori diatas dapat diakses.

Tambahan.

Situs mirror CentOS Biz.Net.
Situs mirror CentOS CBN.
CentOS Public Mirror list.