Red Hat Enterprise Linux Server Cookbook

封面

版权页

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files eBooks discount offers and more

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Chapter 1. Working with KVM Guests

Introduction

Installing and configuring a KVM

Configuring resources

Building guests

Adding CPUs on the fly

Adding RAM on the fly

Adding disks on the fly

Moving disks to another storage

Moving VMs

Backing up your VM metadata

Chapter 2. Deploying RHEL "En Masse"

Introduction

Creating a kickstart file

Publishing your kickstart file using httpd

Deploying a system using PXE

Deploying a system using a custom boot ISO file

Chapter 3. Configuring Your Network

Introduction

Creating a VLAN interface

Creating a teamed interface

Creating a bridge

Configuring IPv4 settings

Configuring your DNS resolvers

Configuring static network routes

Chapter 4. Configuring Your New System

Introduction

The systemd service and setting runlevels

Starting and stopping systemd services

Configuring the systemd journal for persistence

Monitoring services using journalctl

Configuring logrotate

Managing time

Configuring your boot environment

Configuring smtp

Chapter 5. Using SELinux

Introduction

Changing file contexts

Configuring SELinux booleans

Configuring SELinux port definitions

Troubleshooting SELinux

Creating SELinux policies

Applying SELinux policies

Chapter 6. Orchestrating with Ansible

Introduction

Install Ansible

Configuring the Ansible inventory

Creating a template for a kickstart file

Creating a playbook to deploy a new VM with kickstart

Creating a playbook to perform system configuration tasks

Troubleshooting Ansible

Chapter 7. Puppet Configuration Management

Introduction

Installing and configuring Puppet Master

Installing and configuring the Puppet agent

Defining a simple module to configure time

Defining nodes and node grouping

Deploying modules to single nodes and node groups

Chapter 8. Yum and Repositories

Introduction

Managing yum history

Creating a copy of an RHN repository

Configuring additional repositories

Setting up yum to automatically update

Configuring logrotate for yum

Recovering from a corrupted RPM database

Chapter 9. Securing RHEL 7

Introduction

Installing and configuring IPA

Securing the system login

Configuring privilege escalation with sudo

Secure the network with firewalld

Using kdump and SysRq

Using ABRT

Auditing the system

Chapter 10. Monitoring and Performance Tuning

Introduction

Tuning your system's performance

Setting up PCP – Performance Co-Pilot

Monitoring basic system performance

Monitoring CPU performance

Monitoring RAM performance

Monitoring storage performance

Monitoring network performance