Autorentext

Matthew Helmke has used Ubuntu since 2005. He has written about Linux for several magazines and websites, is a lead author of The Official Ubuntu Book, and has coauthored both A Practical Guide to Linux: Commands, Editors, and Shell Programming and The VMware Cookbook. In his day job, Matthew works for Gremlin (https://www.gremlin.com/) making the Internet more reliable. Matthew first used UNIX in 1987, while studying Lisp on a Vax at the university. He has run a business using only free and open source software, has consulted, and teaches as an adjunct professor for the University of Arizona. You can find out more about Matthew at https://www.linkedin.com/in/matthewhelmke/ or drop him a line with errata or suggestions at matthew@matthewhelmke.com.

Klappentext

Covers 20.04, 20.10, and 21.04

Ubuntu Linux Unleashed 2021 Edition is filled with unique and advanced information for everyone who wants to make the most of the Ubuntu Linux operating system. This new edition has been thoroughly updated by a long-time Ubuntu user and early community leader to reflect the exciting new Ubuntu 20.04 LTS release, with a forthcoming online update mid-2021, at the halfway mark before the next LTS release comes out.

Linux writer Matthew Helmke covers all you need to know about Ubuntu 20.04 LTS installation, configuration, productivity, command-line usage, development, systems administration, server operations, networking, virtualization, cloud computing, DevOps, and more—including intermediate-to-advanced techniques you won't find in any other book.

Helmke presents up-to-the-minute introductions to Ubuntu's key productivity and web development tools, programming languages, hardware support, and more. You will find new or improved coverage of the Ubuntu desktop experience, common web servers and software stacks, an introduction to containers like Docker and Kubernetes, as well as a wealth of systems administration information that is stable and valuable over many years.

• Configure and use the Ubuntu desktop
• Get started with multimedia and productivity applications
• Manage Linux services, users, and software packages
• Administer and run Ubuntu from the command line
• Automate tasks and use shell scripting
• Provide secure remote access and configure a secure VPN
• Manage kernels and modules
• Administer file, print, email, proxy, LDAP, DNS, and HTTP servers (Apache, Nginx, or alternatives)
• Work with databases (SQL) and learn about NoSQL alternatives
• Get started with virtualization and cloud deployment, including information about containers
• Learn about options for managing large numbers of servers, including in the cloud

• Learn the basics about popular programming languages including Python, PHP, Perl, and gain an introduction to new alternatives such as Go and Rust

  Inhalt

Introduction xxxi

PART I: GETTING STARTED

Chapter 1 Installing Ubuntu and Post-Installation Configuration 1

Before You Begin the Installation 1

Researching Your Hardware Specifications 2

Installation Options 2

32-Bit Versus 64-Bit Ubuntu 4

Planning Partition Strategies 5

The Boot Loader 5

Installing from DVD or USB Drive 6

Step-by-Step Installation 6

Installing 7

First Update 11

Shutting Down 11

Finding Programs and Files 12

Software Updater 12

The sudo Command 14

Configuring Software Repositories 15

System Settings 17

Detecting and Configuring a Printer 18

Configuring Power Management in Ubuntu 18

Setting the Time and Date 19

Configuring Wireless Networks 20

Troubleshooting Post-Installation Configuration Problems 21

Chapter 2 Background Information and Resources 23

What Is Linux? 23

Why Use Linux? 25

What Is Ubuntu? 27

Ubuntu for Business 27

Ubuntu in Your Home 28

Getting the Most from Linux and Ubuntu Documentation 28

Linux 29

Ubuntu 30

PART II: DESKTOP UBUNTU

Chapter 3 Foundations of the Linux GUI 31

Foundations and the X Server 31

Basic X Concepts 32

Using X 33

Elements of the xorg conf File 34

Starting X 39

Using a Display Manager 39

Changing Window Managers 39

Chapter 4 Ubuntu Desktop Options 41

Desktop Environment 41

Using GNOME: A Primer 42

KDE and Kubuntu 45

Xfce and Xubuntu 46

LXDE and Lubuntu 47

MATE and Ubuntu MATE 48

Ubuntu Budgie 49

Ubuntu Kylin 50

Chapter 5 On the Internet 51

Getting Started with Firefox 52

Checking Out Google Chrome and Chromium 53

Chapter 6 Productivity Applications 55

Introducing LibreOffice 56

Other Useful Productivity Software 58

Working with PDFs 58

Writing Scripts 59

Working with XML and DocBook 59

Working with LaTeX 60

Creating Mind Maps 61

Productivity Applications Written for Microsoft Windows 61

Chapter 7 Multimedia Applications 63

Sound and Music 63

Sound Cards 64

Sound Formats 65

Listening to Music 65

Graphics Manipulation 66

The GNU Image Manipulation Program 66

Using Scanners in Ubuntu 67

Working with Graphics Formats 67

Capturing Screen Images 69

Other Graphics Manipulation Options 70

Using Digital Cameras with Ubuntu 70

Handheld Digital Cameras 70

Using Shotwell Photo Manager 71

Burning CDs and DVDs in Ubuntu 71

Creating CDs and DVDs with Brasero 71

Creating CDs from the Command Line 72

Creating DVDs from the Command Line 73

Viewing Video 75

Video Formats 75

Viewing Video in Linux 76

Recording and Editing Audio 76

Editing Video 77

Chapter 8 Games 79

Ubuntu Gaming 79

Installing Proprietary Video Drivers 80

Online Game Sources 81

Steam 81

GOG com 82

Humble 82

itch io 82

LGDB 82

Game Jolt 82

Installing Games from the Ubuntu Repositories 82

Warsow 82

Scorched 3D 83

Frozen Bubble 84

SuperTux 84

Battle for Wesnoth 85

Frets on Fire 85

FlightGear 87

Speed Dreams 87

Games for Kids 88

Commercial Games 88

Playing Windows Games 88

PART III: SYSTEM ADMINISTRATION

Chapter 9 Managing Software 91

Ubuntu Software 91

Using Synaptic for Software Management 92

Staying Up to Date 94

Working on the Command Line 95

Day-to-Day APT Usage 95

Finding Software 98

Using apt-get Instead of apt 99

Compiling Software from Source 100

Compiling from a Tarball 100

Compiling from Source from the Ubuntu Repositories 101

Configuration Management 102

dotdee 102

Ubuntu Core 103

Using the Snappy Package Manager 103

Chapter 10 Command-Line Beginner's Class 105

What Is the Command Line? 106

Accessing the Command Line 107

Text-Based Console Login 107

Logging Out 108

Logging In and Out from a Remote Computer 108

User Accounts 109

Reading Documentation 111

Using Man Pages 111

Using apropros 112

Using whereis 112

Understanding the Linux File System Hierarchy 112

Essential Commands in /bin and /sbin 114

Configuration Files in /etc 114

User Directories: /home 115

Using the Contents of the /proc Directory to Interact with or Obtain Information from the Kernel 115

Working with Shared Data in the /usr Directory 117

Temporary File Storage in the /tmp Directory 117

Accessing Variable Data Files in the /var Directory 117

Navigating the Linux File System 117

Listing the Contents of a Directory with ls 118

Changing Directories with cd 120

Finding Your Current Directory with pwd 120

Working with Permissions 120

Assigning Permissions 121

Directory Permissions 122

Altering File Permissions with chmod 123

File Permissions with umask 124

File Permissions with chgrp 125

Changing File Permissions with chown 125

Understanding Set User ID, Set Group ID, and Sticky Bit Permissions 125

Setting Permissions with Access Control Lists 127

Working with Files 128

Creating a File with touch 128

Creating a Directory with mkdir 129

Deleting a Directory with rmdir 129

Deleting a File or Directory with rm 130

Moving or Renaming a File with mv 131

Copying a File with cp 131

Displaying the Contents of a File with cat 132

Displaying the Contents of a File with less 132

Using Wildcards and Re…