Chapter 5: RHEL OS deployment for the CLM

This chapter describes the following:

• RHEL OS requirements for CLM deployment

• RHEL OS installation method

Overview

RHEL OS deployment for CLM

Introduction

To apply a RHEL update to a CLM image-based OS

Manual RHEL OS installation for CLM

Overview

Manually installing the RHEL OS for the CLM

Workflow for manual RHEL OS installation

Required RHEL OS packages for CLM container elements

RHEL OS packages to remove from CLM container elements

Special OS requirements

Optional RHEL OS packages

To lock the RHEL OS version

To enable the CLM crypto-policy function on a manually installed RHEL OS

To set the default Python version

To create the nsp user on a manually installed CLM cluster RHEL OS

To disable the RHEL firewalld service

To set the default umask to 0027

To disable RHEL user namespaces