Offline Repository Procedure for CentOS 5

This procedure is designed to upgrade the CentOS Operating System for a system that does not have access to Telcobridges repository (no internet access).

Download TelcoBridges repository

Download the .iso image of TelcoBridges repository on a machine that have access to the system.

http://repo.telcobridges.com/centos/5/isos/x86_64/tb_centos5_x86_64_repo.iso

Upload TelcoBridges repository to the system

Upload the .iso file to the "/root" directory of the system with scp or a SFTP tool like FileZilla

Mount the .iso file on the system

Mount the .iso file on your system

mkdir -p /repo/centos/5
mount -t iso9660 -o loop /root/tb_centos5_x86_64_repo.iso /repo/centos/5

Add the mount point permanently to the system to make it stay after a reboot.

cp /etc/fstab /etc/fstab.bak
echo "/root/tb_centos5_x86_64_repo.iso /repo/centos/5 iso9660 loop 0 0" >> /etc/fstab

Add TelcoBridges repository file

vim /etc/yum.repos.d/TB-Base.repo

Paste the following information in that file:

# TelcoBridges-Base.repo
#
# This repository is using TelcoBridges frozen version of CentOS
# to help client installing the required version of the
# applications required to run Toolpack
#

[tb-base]
name=TelcoBridges-$releasever - Base
baseurl=file:///repo/centos/5/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5-tb

#released updates
[tb-updates]
name=TelcoBridges-$releasever - Updates
baseurl=file:///repo/centos/5/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5-tb

Get TelcoBridges repository key

cd /etc/pki/rpm-gpg/
cp /repo/centos/5/RPM-GPG-KEY-CentOS-5 .
cp: overwrite `./RPM-GPG-KEY-CentOS-5'? y
rpm --import RPM-GPG-KEY-CentOS-5
cp /repo/centos/5/RPM-GPG-KEY-CentOS-5-tb .
rpm --import RPM-GPG-KEY-CentOS-5-tb