Offline Repository Procedure for Telcobridges Linux

Introduction

This article describes the configuration of the package manager 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 has access to the system.

Minimal version is here: tb_tbos7_x86_64_repo_minimal.iso (2025.07 0.9GB)
Full version is here: tb_tbos7_x86_64_repo.iso (2025.07 6.6GB)

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/tbos
mount -t iso9660 -o loop /root/tb_tbos7_x86_64_repo_minimal.iso /repo/tbos

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/tbos/os/$basearch/

Update packages

yum clean metadata
yum update

Delete ISO file

Since the repository file is quite large, it is better to delete it after the update is complete:

rm /root/tb_tbos7_x86_64_repo_minimal.iso