RH174

Learn how to migrate existing CentOS Linux servers to supported versions of Red Hat Enterprise Linux.

Course Description

• “Managing CentOS Migrations and RHEL Upgrades” will enable customers to transition successfully from CentOS Linux to Red Hat Enterprise Linux.  It also enables them to upgrade from one major version of RHEL to the next.  This course provides an overview of the migration process and discusses how to avoid and mitigate risks. “Managing CentOS Migrations and RHEL Upgrades” will help users to move from CentOS Linux to RHEL, or to upgrade to a newer version of RHEL.

Course Content Summary

• Identifying the potential risks that are associated with the migration process and implementing a plan to avoid, mitigate, or remediate them

• Converting from CentOS Linux to Red Hat Enterprise Linux

• Performing in-place upgrades of Red Hat Enterprise Linux

Target Audience

• System administrators

• DevOps engineers

• IT Professionals responsible for planning and performing the conversion

Recommended training

• Become a Red Hat Certified System Administrator (RHCSA) or demonstrate equivalent skills with RHEL and CentOS Linux

Technology considerations

• N/a

Course Outline

1. Plan the Conversion to Red Hat Enterprise Linux
   Explore why and how to convert CentOS Linux servers to RedHat Enterprise Linux, plan the conversion process, and install the required tools for conversion.

2. Perform a Pre-conversion Analysis and Convert a Server 
   Analyze a server to identify and remediate any issues that might cause problems with conversion, and then convert it to Red Hat Enterprise Linux.

3. Verify and Troubleshoot a Converted Server 
   Confirm that a conversion to RHEL completed successfully, and troubleshoot potential problems if it did not.

4. Perform a Conversion to RHEL by using Red Hat Satellite 
   Use Red Hat Satellite to convert a server from CentOS Linux to RHEL.

5. Plan an In-place Upgrade of Red Hat Enterprise Linux 
   Explain when to perform an in-place upgrade of Red Hat Enterprise Linux, what upgrade paths are supported, and what to consider when planning an upgrade.

6. Prepare a Server for an In-place Upgrade 
   Perform prerequisite steps to configure a server and to install the required software for an in-place upgrade of RHEL.

7. Create and Review a Pre-upgrade Report 
   Ensure that a server is ready to be upgraded by running, evaluating, and addressing the results of a pre-upgrade report.

8. Upgrade Red Hat Enterprise Linux 
   Run an in-place upgrade of Red Hat Enterprise Linux and be prepared to troubleshoot potential issues with the upgrade.

9. Perform Post-upgrade Tasks and Verification 
   Complete the upgrade by performing final tasks and verifying that the in-place upgrade succeeded.

Impact on the Organization

This course is intended to enable customers to transition successfully from CentOS Linux to Red Hat Enterprise Linux. Included in this offering are methods that:

• Support the community-to-supported conversion

• Provides an overview of the migration process, discussing risks and ways to avoid or mitigate them

Impact on the Individual

As a result of attending this course, students will understand how to migrate existing CentOS Linux servers to supported versions of Red Hat Enterprise Linux.

Students should be able to demonstrate the following skills:

• Plan and convert CentOS Linux systems to Red Hat Enterprise Linux by using the convert2rhel utility

• Update a Red Hat Enterprise Linux 7 system to Red Hat Enterprise 8 by using in-place upgrades with Leapp

Recommended next course or exam

• Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342)

• Red Hat Satellite 6 Administration (RH403)