Migration of Red Hat Enterprise Linux 5 or 6 to Red Hat Enterprise Linux 7 with the Preupgrade Assistant

This article describes how an administrator can migrate Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7 with the help of the Preupgrade Assistant. The Preupgrade Assistant is a tool which assesses your running system for anything that might adversely affect the success of your migration.

As Red Hat Enterprise Linux 5 will have only extended update support after March 2017, administrators will find a tool like that useful to help them migrate their systems to Red Hat Enterprise Linux 7. The migration from Red Hat Enterprise Linux 5 to Red Hat Enterprise Linux 6 is not covered by the Preupgrade Assistant, nor is it planned.

Note: The Preupgrade Assistant can also be used for the in-place upgrade from Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7 but this is out of scope of this article. The in-place upgrade from Red Hat Enterprise Linux 5 to Red Hat Enterprise Linux 7 is neither supported nor planned.

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Refine your Linux package maintenance process with ‘rebase-helper’

Rebase-helper is a tool that helps Linux package maintainers update their to the latest upstream version. New maintainers and experts alike will find value in the convenience this tool can offer. Rebase-helper applies patches, packages, and reports differences between the patched and un-patched versions.In summary, it automates some of the manual tasks usually performed by package maintainers when a new upstream version of that package is released. This article will explain how to get started using rebase-helper, and also demonstrate how it can be integrated with upstream monitoring services.

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Project: Remote Dependency Solving

This project (part of Red Hat Lab Q) was initiated by Jan Zeleny to accommodate low-end and low-cost devices, which have usually slower hardware, and has particular usefulness to Fedora. Three students (Josef Řídký, Michal Ruprich, Šimon Matěj) from Faculty of Information Technology (FIT VUT Brno, Czech Republic) began work on the project with me (Petr Hracek) as a leader of the team.

The aim

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rebase-helper for RHEL 7

What is rebase-helper used for?
Rebase-helper automates a lot of manual tasks when a new upstream version of a package is released. How to install rebase-helper on RHEL 7 system?  Use this COPR repository where RPM package is already created.
http://copr-fe.cloud.fedoraproject.org/coprs/phracek/rebase-helper_EPEL/

Download the repo file and install rebase-helper via yum command.

yum install rebase-helper

Rebase-helper performs several tasks during the rebase:

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