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

Change TelcoBridges repository file

Edit the TB-Base.repo file

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

Change [tb-base] baseurl line to:

baseurl=file:///repo/centos/5/os/$basearch/

Change [tb-updates] baseurl line to:

baseurl=file:///repo/centos/5/updates/$basearch/

Clean metadata

# yum clean metadata