CentOS 8 essentials / Neil Smyth.

Format:

Book

Author/Creator:

Smyth, Neil, author.

Language:

English

Subjects (All):

Centos.

Physical Description:

1 online resource (260 pages)

Edition:

1st ed.

Place of Publication:

[Place of publication not identified] : Payload Media, [2019]

Summary:

CentOS 8 Essentials is designed to provide detailed information on the installation, use and administration of the CentOS 8 distribution.

Contents:

Intro

1. Introduction

1.1 Superuser Conventions

1.2 Feedback

1.3 Errata

2. A Brief History of CentOS Linux

2.1 What exactly is Linux?

2.2 UNIX Origins

2.3 Who Created Linux?

2.4 The Early Days of Red Hat

2.5 Red Hat Support

2.6 Open Source

2.7 The Fedora Project

2.8 CentOS - The Free Alternative

2.9 Summary

3. Installing CentOS 8 on a Clean Disk Drive

3.1 Obtaining the CentOS Installation Media

3.2 Writing the ISO Installation Image to a USB Drive

3.2.1 Linux

3.2.2 macOS

3.2.3 Windows

3.3 Installing CentOS 8

3.4 Partitioning a Disk for CentOS 8

3.5 The Physical Installation

3.6 Final Configuration Steps

3.7 Installing Updates

3.8 Displaying Boot Messages

3.9 Summary

4. Dual Booting CentOS 8 with Windows

4.1 Partition Resizing

4.2 Editing the CentOS 8 Boot Menu

4.3 Changing the Default Boot Option

4.4 Accessing the Windows Partition from CentOS 8

4.5 Summary

5. Allocating Windows Disk Partitions to CentOS 8

5.1 Unmounting the Windows Partition

5.2 Deleting the Windows Partitions from the Disk

5.3 Formatting the Unallocated Disk Partition

5.4 Mounting the New Partition

5.5 Editing the Boot Menu

5.6 Summary

6. A Guided Tour of the GNOME 3 Desktop

6.1 Installing the GNOME Desktop

6.2 An Overview of the GNOME 3 Desktop

6.3 Launching Activities

6.4 Managing Windows

6.5 Using Workspaces

6.6 Calendar and Notifications

6.7 Desktop Settings

6.8 Summary

7. An Overview of the CentOS 8 Cockpit Web Interface

7.1 An Overview of Cockpit

7.2 Installing and Enabling Cockpit

7.3 Accessing Cockpit

7.4 System

7.5 Logs

7.6 Storage

7.7 Networking

7.8 Virtual Machines

7.9 Accounts

7.10 Services

7.11 Applications

7.12 Diagnostic Reports

7.13 Kernel Dump

7.14 SELinux.

7.15 Software Updates

7.16 Terminal

7.17 Connecting to Multiple Servers

7.18 Enabling Stored Metrics

7.19 Summary

8. Using the Bash Shell on CentOS 8

8.1 What is a Shell?

8.2 Gaining Access to the Shell

8.3 Entering Commands at the Prompt

8.4 Getting Information about a Command

8.5 Bash Command-line Editing

8.6 Working with the Shell History

8.7 Filename Shorthand

8.8 Filename and Path Completion

8.9 Input and Output Redirection

8.10 Working with Pipes in the Bash Shell

8.11 Configuring Aliases

8.12 Environment Variables

8.13 Writing Shell Scripts

8.14 Summary

9. Managing CentOS 8 Users and Groups

9.1 User Management from the Command-line

9.2 User Management with Cockpit

9.3 Summary

10. Understanding CentOS 8 Software Installation and Management

10.1 Repositories

10.2 The BaseOS Repository

10.3 The AppStream Repository

10.4 Summary

11. Configuring CentOS 8 systemd Units

11.1 Understanding CentOS 8 systemd Targets

11.2 Understanding CentOS 8 systemd Services

11.3 CentOS 8 systemd Target Descriptions

11.4 Identifying and Configuring the Default Target

11.5 Understanding systemd Units and Unit Types

11.6 Dynamically Changing the Current Target

11.7 Enabling, Disabling and Masking systemd Units

11.8 Working with systemd Units in Cockpit

11.9 Summary

12. CentOS 8 Network Management

12.1 An Introduction to NetworkManager

12.2 Installing and Enabling NetworkManager

12.3 Basic nmcli Commands

12.4 Working with Connection Profiles

12.5 Interactive Editing

12.6 Configuring NetworkManager Permissions

12.7 Summary

13. Basic CentOS 8 Firewall Configuration with firewalld

13.1 An Introduction to firewalld

13.1.1 Zones

13.1.2 Interfaces

13.1.3 Services

13.1.4 Ports

13.2 Checking firewalld Status.

13.3 Configuring Firewall Rules with firewall-cmd

13.3.1 Identifying and Changing the Default Zone

13.3.2 Displaying Zone Information

13.3.3 Adding and Removing Zone Services

13.3.4 Working with Port-based Rules

13.3.5 Creating a New Zone

13.3.6 Changing Zone/Interface Assignments

13.3.7 Masquerading

13.3.8 Adding ICMP Rules

13.3.9 Implementing Port Forwarding

13.4 Managing firewalld from the Cockpit Interface

13.5 Managing firewalld using firewall-config

13.6 Summary

14. Configuring SSH Key-based Authentication on CentOS 8

14.1 An Overview of Secure Shell (SSH)

14.2 SSH Key-based Authentication

14.3 Setting Up Key-based Authentication

14.4 SSH Key-based Authentication from Linux and macOS Clients

14.5 Managing Multiple Keys

14.6 SSH Key-based Authentication from Windows 10 Clients

14.7 SSH Key-based Authentication using PuTTY

14.8 Generating a Private Key with PuTTYgen

14.9 Installing the Public Key for a Google Cloud Instance

14.10 Summary

15. CentOS 8 Remote Desktop Access with VNC

15.1 Secure and Insecure Remote Desktop Access

15.2 Installing the GNOME Desktop Environment

15.3 Installing VNC on CentOS 8

15.4 Configuring the VNC Server

15.5 Connecting to a VNC Server

15.6 Establishing a Secure Remote Desktop Session

15.7 Establishing a Secure Tunnel on Windows using PuTTY

15.8 Shutting Down a Desktop Session

15.9 Troubleshooting a VNC Connection

15.10 Summary

16. Displaying CentOS 8 Applications Remotely (X11 Forwarding)

16.1 Requirements for Remotely Displaying CentOS 8 Applications

16.2 Remotely Displaying a CentOS 8 Application

16.3 Trusted X11 Forwarding

16.4 Compressed X11 Forwarding

16.5 Displaying Remote CentOS 8 Apps on Windows

16.6 Summary

17. Using NFS to Share CentOS 8 Files with Remote Systems.

17.1 Ensuring NFS Services are running on CentOS 8

17.2 Configuring the CentOS 8 Firewall to Allow NFS Traffic

17.3 Specifying the Folders to be Shared

17.4 Accessing Shared CentOS 8 Folders

17.5 Mounting an NFS Filesystem on System Startup

17.6 Unmounting an NFS Mount Point

17.7 Accessing NFS Filesystems in Cockpit

17.8 Summary

18. Sharing Files between CentOS 8 and Windows Systems with Samba

18.1 Samba and Samba Client

18.2 Installing Samba on a CentOS 8 System

18.3 Configuring the CentOS 8 Firewall to Enable Samba

18.4 Configuring the smb.conf File

18.4.1 Configuring the [global] Section

18.4.2 Configuring a Shared Resource

18.4.3 Removing Unnecessary Shares

18.5 Configuring SELinux for Samba

18.6 Creating a Samba User

18.7 Testing the smb.conf File

18.8 Starting the Samba and NetBIOS Name Services

18.9 Accessing Samba Shares

18.10 Accessing Windows Shares from CentOS 8

18.11 Summary

19. An Overview of Virtualization Techniques

19.1 Guest Operating System Virtualization

19.2 Hypervisor Virtualization

19.2.1 Paravirtualization

19.2.2 Full Virtualization

19.2.3 Hardware Virtualization

19.3 Virtual Machine Networking

19.4 Summary

20. Installing KVM Virtualization on CentOS 8

20.1 An Overview of KVM

20.2 KVM Hardware Requirements

20.3 Preparing CentOS 8 for KVM Virtualization

20.4 Verifying the KVM Installation

20.5 Summary

21. Creating KVM Virtual Machines using Cockpit and virt-manager

21.1 Installing the Cockpit Virtual Machines Module

21.2 Creating a Virtual Machine in Cockpit

21.3 Starting the Installation

21.4 Creating a Virtual Machine using virt-manager

21.5 Starting the Virtual Machine Manager

21.6 Configuring the KVM Virtual System

21.7 Starting the KVM Virtual Machine

21.8 Summary.

22. Creating KVM Virtual Machines with virt-install and virsh

22.1 Running virt-install to build a KVM Guest System

22.2 An Example CentOS 8 virt-install Command

22.3 Starting and Stopping a Virtual Machine from the Command-Line

22.4 Creating a Virtual Machine from a Configuration File

22.5 Summary

23. Creating a CentOS 8 KVM Networked Bridge Interface

23.1 Getting the Current Network Settings

23.2 Creating a Network Bridge from the Command-Line

23.3 Declaring the KVM Bridged Network

23.4 Using a Bridge Network in a Virtual Machine

23.5 Creating a Bridge Network using nm-connection-editor

23.6 Summary

24. Managing KVM using the virsh Command-Line Tool

24.1 The virsh Shell and Command-Line

24.2 Listing Guest System Status

24.3 Starting a Guest System

24.4 Shutting Down a Guest System

24.5 Suspending and Resuming a Guest System

24.6 Saving and Restoring Guest Systems

24.7 Rebooting a Guest System

24.8 Configuring the Memory Assigned to a Guest OS

24.9 Summary

25. An Introduction to Linux Containers

25.1 Linux Containers and Kernel Sharing

25.2 Container Uses and Advantages

25.3 CentOS 8 Container Tools

25.4 The Docker Registry

25.5 Container Networking

25.6 Summary

26. Working with Containers on CentOS 8

26.1 Pulling a Container Image

26.2 Running the Image in a Container

26.3 Managing a Container

26.4 Saving a Container to an Image

26.5 Removing an Image from Local Storage

26.6 Removing Containers

26.7 Building a Container with Buildah

26.8 Building a Container from Scratch

26.9 Container Bridge Networking

26.10 Summary

27. Setting Up a CentOS 8 Web Server

27.1 Requirements for Configuring a CentOS 8 Web Server

27.2 Installing the Apache Web Server Packages

27.3 Configuring the Firewall

27.4 Port Forwarding.

27.5 Starting the Apache Web Server.

Notes:

Description based on print version record.

Description based on publisher supplied metadata and other sources.

ISBN:

1-951442-08-3

OCLC:

1140791015