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Ubuntu Unleashed 2012 Edition: Covering 11.10 and 12.04

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Overview

Ubuntu Unleashed 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 revised and updated by a long-time Ubuntu community leader to reflect the exciting new Ubuntu 11.10 (“Oneiric Ocelot”) and the forthcoming Ubuntu 12.04.

Former Ubuntu Forum administrator Matthew Helmke covers all you need to know about Ubuntu 11.10/12.04 installation, configuration, productivity, ...

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Overview

Ubuntu Unleashed 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 revised and updated by a long-time Ubuntu community leader to reflect the exciting new Ubuntu 11.10 (“Oneiric Ocelot”) and the forthcoming Ubuntu 12.04.

Former Ubuntu Forum administrator Matthew Helmke covers all you need to know about Ubuntu 11.10/12.04 installation, configuration, productivity, multimedia, development, system administration, server operations, networking, virtualization, security, 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’ll find brand-new coverage of the new Unity desktop, new NoSQL database support and Android mobile development tools, and many other Ubuntu 11.10/12.04 innovations. Whether you’re new to Ubuntu or already a power user, you’ll turn to this book constantly: for new techniques, new solutions, and new ways to do even more with Ubuntu!

Matthew Helmke served from 2006 to 2011 on the Ubuntu Forum Council, providing leadership and oversight of the Ubuntu Forums, and spent two years on the Ubuntu regional membership approval board for Europe, the Middle East, and Africa. He has written about Ubuntu for several magazines and websites, is a lead author of The Official Ubuntu Book. He works for The iPlant Collaborative, which is funded by the National Science Foundation and is building cyberinfrastructure for the biological sciences to support the growing use of massive amounts of data and computationally intensive forms of research.

  • Quickly install Ubuntu, configure it, and get your hardware running right
  • Configure and customize the new Unity desktop (or alternatives such as GNOME)
  • Get started with multimedia and productivity applications, including LibreOffice
  • Manage Linux services, users, and software packages
  • Administer and use Ubuntu from the command line
  • Automate tasks and use shell scripting
  • Provide secure remote access
  • Manage kernels and modules
  • Administer file, print, email, proxy, LDAP, and database services (both SQL and NoSQL)
  • Use both Apache and alternative HTTP servers
  • Support and use virtualization
  • Use Ubuntu in cloud environments
  • Learn the basics about popular programming languages including Python, PHP, and Perl, and how to use Ubuntu to develop in them
  • Learn how to get started developing Android mobile devices

Ubuntu 11.10 on DVD

DVD includes the full Ubuntu 11.10 distribution for Intel x86 computers as well as the complete LibreOffice office suite and hundreds of additional programs and utilities.

Free Upgrade!

Purchase this book anytime in 2012 and receive a free Ubuntu 12.04 Upgrade Kit by mail (U.S. or Canada only) after Ubuntu 12.04 is released. See inside back cover for details.

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Product Details

  • ISBN-13: 9780672335785
  • Publisher: Sams
  • Publication date: 1/20/2012
  • Series: Unleashed Series
  • Edition number: 7
  • Pages: 864
  • Sales rank: 1,434,638
  • Product dimensions: 7.00 (w) x 9.00 (h) x 1.80 (d)

Meet the Author

Matthew Helmke is an active member of the Ubuntu community. He served from 2006 to 2011 on the Ubuntu Forum Council, providing leadership and oversight of the Ubuntu Forums (www.ubuntuforums.org), and spent two years on the Ubuntu regional membership approval board for Europe, the Middle East, and Africa. He has written about Ubuntu for several magazines and websites, is a lead author of The Official Ubuntu Book, and coauthored The VMware Cookbook. He works for The iPlant Collaborative (www.iplantcollaborative.org), which is funded by the National Science Foundation and is building the world’s first cyberinfrastructure for the biological sciences. 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 has recently completed a master’s degree in Information Resources and Library Science from the University of Arizona. You can find out more about Matthew at matthewhelmke.com or drop him a line with errata or suggestions at matthew@matthewhelmke.com.

Andrew Hudson is a freelance journalist who specializes in writing about Linux. He has significant experience in Red Hat and Debian-based Linux distributions and deployments and can often be found sitting at his keyboard tweaking various settings and config files just for the hell of it. He lives in Wiltshire, which is a county of England, along with his wife, Bernice, and their son, John. Andrew does not like Emacs. He can be reached at andy.hudson@gmail.com.

Paul Hudson is a recognized expert in open-source technologies. He is also a professional developer and full-time journalist for Future Publishing. His articles have appeared in MacFormat, PC Answers, PC Format, PC Plus, and Linux Format. Paul is passionate about free software in all its forms and uses a mix of Linux and BSD to power his desktops and servers. Paul likes Emacs. Paul can be contacted through http://hudzilla.org.

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Table of Contents

About the Authors xxvii

Dedication/Acknowledgements xxviii

Introduction 1

Part I Installation and Configuration

1 Installing Ubuntu 7

Before You Begin the Installation. 7

Researching Your Hardware Specifications 8

Installation Options 8

Planning Partition Strategies 10

The Boot Loader. 10

Installing from CD or DVD or USB Drive. 11

Step-by-Step Installation. 11

Installing 12

First Update. 16

Wubi: The Easy Installer for Windows. 16

Shutting Down 17

References. 18

2 Post-Installation Configuration 19

Troubleshooting Post-Installation Configuration Problems 19

The sudo Command 21

Finding Programs and Files 21

Software Update 22

Configuring Software Repositories. 25

System Settings. 28

Installing Additional Drivers 28

Detecting and Configuring a Printer 30

Configuring Power Management in Ubuntu 30

Setting the Date and Time 31

Configuring Wireless Networks. 33

References. 34

Part II Desktop Ubuntu

3 Working with Unity 35

Foundations and the X Server 35

Basic X Concepts. 36

Using X 37

Elements of the xorg.conf File 38

Starting X 43

Using a Display Manager 43

Changing Window Managers 44

Using Unity, a Primer 44

The Desktop 45

Customizing and Configuring Unity. 50

Power Shortcuts. 50

References. 51

4 On the Internet 53

Getting Started with Firefox. 54

Checking Out Google Chrome and Chromium 55

Choosing an Email Client 56

Evolution. 57

Mozilla Thunderbird. 59

Other Mail Clients. 59

RSS Readers. 60

Firefox. 60

Liferea 60

Instant Messaging and Video Conferencing with Empathy. 61

Internet Relay Chat 61

Usenet Newsgroups 64

Ubuntu One Cloud Storage. 66

References. 66

5 Productivity Applications 67

Introducing LibreOffice. 69

Other Office Suites for Ubuntu 71

Working with GNOME Office. 71

Working with KOffice 72

Other Useful Productivity Software 73

Working with PDF. 73

Working with XML and DocBook 74

Working with LaTeX 75

Productivity Applications Written for Microsoft Windows. 76

References. 76

6 Multimedia Applications 77

Sound and Music 77

Sound Cards. 78

Adjusting Volume. 79

Sound Formats. 79

Listening to Music. 81

Buying Music in the Ubuntu One Music Store. 83

Graphics Manipulation 85

The GNU Image Manipulation Program 85

Using Scanners in Ubuntu 87

Working with Graphics Formats 87

Capturing Screen Images 89

Using Digital Cameras with Ubuntu. 90

Handheld Digital Cameras 90

Using Shotwell Photo Manager. 90

Burning CDs and DVDs in Ubuntu 90

Creating CDs and DVDs with Brasero 91

Creating CDs from the Command Line. 92

Creating DVDs from the Command Line 94

Viewing Video 96

TV and Video Hardware 96

Video Formats 97

Viewing Video in Linux. 98

Personal Video Recorders 99

Video Editing 99

References 100

7 Other Ubuntu Desktops 101

Desktop Environment 101

KDE and Kubuntu 102

Xfce and Xubuntu. 104

LXDE and Lubuntu. 105

GNOME. 106

References 107

8 Games 109

Ubuntu Gaming. 109

Emulators. 109

Installing Proprietary Video Drivers 110

Installing Games in Ubuntu 112

Warsow. 112

Scorched 3D 112

Frozen Bubble 113

SuperTux. 114

Battle for Wesnoth. 114

Frets on Fire. 116

Games for Kids. 116

Commercial Games. 116

Playing Windows Games 117

References 117

Part III System Administration

9 Managing Software 119

Ubuntu Software Center 119

Using Synaptic for Software Management. 120

Staying Up-to-Date 122

Working on the Command Line 123

Day-to-Day Usage 124

Finding Software 127

Compiling Software from Source. 128

Compiling from a Tarball. 128

Compiling from Source from the Ubuntu Repositories 129

Server/Configuration Management. 130

Puppet. 131

Chef. 131

Juju 131

Landscape 131

dotdee 131

References 132

10 Command-Line Quickstart 133

What Is the Command Line? 134

Accessing the Command Line 135

Text-Based Console Login 136

Logging Out 137

Logging In and Out from a Remote Computer. 137

User Accounts. 138

Understanding the Linux File System Hierarchy 140

Essential Commands in /bin and /sbin 141

Configuration Files in /etc 141

User Directories: /home 142

Using the Contents of the /proc Directory to Interact

with the Kernel 142

Working with Shared Data in the /usr Directory 144

Temporary File Storage in the /tmp Directory 144

Accessing Variable Data Files in the /var Directory. 144

Navigating the Linux File System 145

Listing the Contents of a Directory with ls. 145

Changing Directories with cd 147

Finding Your Current Directory with pwd 147

Working with Permissions 148

Assigning Permissions 148

Directory Permissions. 150

Altering File Permissions with chmod 150

File Permissions with chgrp 152

Changing File Permissions with chown. 152

Understanding Set User ID and Set Group ID Permissions 152

Working with Files 153

Creating a File with touch. 153

Creating a Directory with mkdir. 154

Deleting a Directory with rmdir 154

Deleting a File or Directory with rm 155

Moving or Renaming a File with mv 156

Copying a File with cp. 157

Displaying the Contents of a File with cat. 157

Displaying the Contents of a File with less 157

Using Wildcards and Regular Expressions 158

Working as Root. 158

Creating Users. 159

Deleting Users. 160

Shutting Down the System. 161

Rebooting the System. 162

Reading Documentation. 162

Using apropros 162

Using Man Pages 163

References 164

11 Command-Line Master Class 165

Why Use the Command Line?. 166

Using Basic Commands 167

Printing the Contents of a File with cat 168

Changing Directories with cd 169

Changing File Access Permissions with chmod 171

Copying Files with cp. 171

Printing Disk Usage with du 172

Finding Files by Searching with find. 173

Searches for a String in Input with grep 175

Paging Through Output with less. 176

Creating Links Between Files with ln 178

Finding Files from an Index with locate 180

Listing Files in the Current Directory with ls 180

Reading Manual Pages with man 182

Making Directories with mkdir. 183

Moving Files with mv. 183

Listing Processes with ps. 184

Deleting Files and Directories with rm 184

Printing the Last Lines of a File with tail. 185

Printing Resource Usage with top 186

Printing the Location of a Command with which 187

Redirecting Output and Input 187

Combining Commands 189

Using Environment Variables 191

Using Common Text Editors 194

Working with nano 195

Working with vi. 196

Working with emacs. 197

Working with Compressed Files 199

Using Multiple Terminals with byobu. 200

References 201

12 Managing Users 203

User Accounts. 203

The Super User/Root User 204

User IDs and Group IDs 206

File Permissions. 206

Managing Groups. 207

Group Listing. 207

Group Management Tools 208

Managing Users 210

User Management Tools. 210

Adding New Users 212

Monitoring User Activity on the System 216

Managing Passwords 217

System Password Policy 217

The Password File 217

Shadow Passwords 218

Managing Password Security for Users. 221

Changing Passwords in a Batch. 221

Granting System Administrator Privileges to Regular Users 221

Temporarily Changing User Identity with the su Command 222

Granting Root Privileges on Occasion: The sudo Command. 224

Disk Quotas. 226

Implementing Quotas 227

Manually Configuring Quotas. 228

Related Ubuntu Commands 228

References 229

13 Automating Tasks and Shell Scripting 231

Scheduling Tasks 231

Using at and batch to Schedule Tasks for Later. 231

Using cron to Run Jobs Repeatedly 234

Basic Shell Control 236

The Shell Command Line 237

Shell Pattern-Matching Support 239

Redirecting Input and Output. 240

Piping Data 241

Background Processing 241

Writing and Executing a Shell Script. 242

Running the New Shell Program 243

Storing Shell Scripts for Systemwide Access 244

Interpreting Shell Scripts Through Specific Shells 245

Using Variables in Shell Scripts 246

Assigning a Value to a Variable 246

Accessing Variable Values 247

Positional Parameters 247

A Simple Example of a Positional Parameter. 248

Using Positional Parameters to Access and Retrieve

Variables from the Command Line 248

Using a Simple Script to Automate Tasks. 249

Built-In Variables 251

Special Characters. 252

Using Double Quotes to Resolve Variables in Strings

with Embedded Spaces 253

Using Single Quotes to Maintain Unexpanded Variables. 253

Using the Backslash as an Escape Character 254

Using the Backtick to Replace a String with Output 255

Comparison of Expressions in pdksh and bash. 255

Comparing Expressions with tcsh 260

The for Statement 264

The while Statement 266

The until Statement 268

The repeat Statement (tcsh) 268

The select Statement (pdksh). 269

The shift Statement 269

The if Statement. 270

The case Statement 271

The break and exit Statements. 273

Using Functions in Shell Scripts 273

References 274

14 The Boot Process 275

Running Services at Boot 275

Beginning the Boot Loading Process 276

Loading the Linux Kernel. 277

System Services and Runlevels 278

Runlevel Definitions 278

Booting into the Default Runlevel 279

Understanding init Scripts and the Final Stage of Initialization 279

Controlling Services at Boot with Administrative Tools 280

Changing Runlevels 281

Troubleshooting Runlevel Problems 282

Starting and Stopping Services Manually 283

Using Upstart 283

References 284

15 System-Monitoring Tools 285

Console-Based Monitoring 285

Using the kill Command to Control Processes 287

Using Priority Scheduling and Control 288

Displaying Free and Used Memory with free 290

Disk Space 291

Disk Quotas. 291

Graphical Process and System Management Tools 292

System Monitor. 292

Conky 294

Other 298

KDE Process- and System-Monitoring Tools. 299

Enterprise Server Monitoring. 299

Landscape 299

Other 299

References 300

16 Backing Up 301

Choosing a Backup Strategy 301

Why Data Loss Occurs. 302

Assessing Your Backup Needs and Resources 303

Evaluating Backup Strategies. 305

Making the Choice 307

Choosing Backup Hardware and Media 308

Removable Storage Media 308

CD-RW and DVD+RW/-RW Drives. 308

Network Storage 309

Tape Drive Backup 309

Cloud Storage 310

Using Backup Software 310

tar: The Most Basic Backup Tool 310

The GNOME File Roller 312

The KDE ark Archiving Tool. 313

Déjà Dup 313

Back In Time 315

Unison 317

Using the Amanda Backup Application 318

Alternative Backup Software 319

Copying Files. 319

Copying Files Using tar. 319

Compressing, Encrypting, and Sending tar Streams 320

Copying Files Using cp 321

Copying Files Using mc 321

Using rsync. 322

Version Control for Configuration Files. 323

System Rescue. 326

The Ubuntu Rescue Disc 326

Restoring the GRUB2 Boot Loader 326

Saving Files from a Nonbooting Hard Drive 327

References 328

17 Networking 329

Laying the Foundation: The localhost Interface 330

Checking for the Availability of the Loopback Interface 330

Configuring the Loopback Interface Manually 330

Networking with TCP/IP. 333

TCP/IP Addressing 334

Using IP Masquerading in Ubuntu. 336

Ports. 336

Network Organization. 337

Subnetting. 337

Subnet Masks. 338

Broadcast, Unicast, and Multicast Addressing 338

Hardware Devices for Networking 339

Network Interface Cards 339

Network Cable 341

Hubs and Switches. 342

Routers and Bridges 343

Initializing New Network Hardware 344

Using Network Configuration Tools. 346

Command-Line Network Interface Configuration. 346

/bin/netstat. 350

Network Configuration Files. 351

Using Graphical Configuration Tools 353

Dynamic Host Configuration Protocol 355

How DHCP Works 355

Activating DHCP at Installation and Boot Time 356

DHCP Software Installation and Configuration. 357

Using DHCP to Configure Network Hosts 359

Other Uses for DHCP 361

Wireless Networking 361

Support for Wireless Networking in Ubuntu. 361

Advantages of Wireless Networking 363

Choosing from Among Available Wireless Protocols 363

Beyond the Network and onto the Internet 364

Common Configuration Information 364

Configuring Digital Subscriber Line Access 366

Understanding PPP over Ethernet. 366

Configuring a PPPoE Connection Manually 367

Configuring Dial-Up Internet Access. 368

Troubleshooting Connection Problems. 369

References 370

18 Remote Access with SSH and Telnet 373

Setting Up a Telnet Server 373

Telnet Versus SSH 375

Setting Up an SSH Server 375

SSH Tools 375

Using scp to Copy Individual Files Between Machines 376

Using sftp to Copy Many Files Between Machines. 377

Using ssh-keygen to Enable Key-Based Logins 377

Virtual Network Computing. 379

References 382

19 Securing Your Machines 383

Understanding Computer Attacks 383

Assessing Your Vulnerability 385

Protecting Your Machine 386

Securing a Wireless Network. 387

Passwords and Physical Security 387

Configuring and Using Tripwire 388

Devices 389

Viruses 389

Configuring Uncomplicated Firewall 390

AppArmor. 392

Forming a Disaster Recovery Plan. 395

References 396

20 Performance Tuning 399

Hard Disk. 399

Using the BIOS and Kernel to Tune the Disk Drives 400

The hdparm Command. 401

File System Tuning. 402

The tune2fs Command. 402

The e2fsck Command. 403

The badblocks Command. 403

Disabling File Access Time. 403

Kernel 404

Apache 405

MySQL 406

Measuring Key Buffer Usage 406

Using the Query Cache. 408

Miscellaneous Tweaks. 409

Query Optimization. 410

References 410

21 Kernel and Module Management 411

The Linux Kernel 412

The Linux Source Tree 413

Types of Kernels 415

Managing Modules 416

When to Recompile 418

Kernel Versions 419

Obtaining the Kernel Sources 420

Patching the Kernel 421

Compiling the Kernel. 422

Using xconfig to Configure the Kernel. 425

Creating an Initial RAM Disk Image. 429

When Something Goes Wrong 429

Errors During Compile 429

Runtime Errors, Boot Loader Problems, and Kernel Oops. 430

References 431

Part IV Ubuntu as a Server

22 File and Print 433

Using the Network File System 434

Installing and Starting or Stopping NFS 434

NFS Server Configuration. 434

NFS Client Configuration. 436

Putting Samba to Work 437

Manually Configuring Samba with /etc/samba/smb.conf. 438

Testing Samba with the testparm Command. 442

Starting, Stopping, and Restarting the smbd Daemon. 442

Mounting Samba Shares 443

Configuring Samba Using SWAT. 444

Network and Remote Printing with Ubuntu. 448

Creating Network Printers 448

Using the Common UNIX Printing System GUI. 450

Avoiding Printer Support Problems 453

References 454

23 Apache Web Server Management 455

About the Apache Web Server. 455

Installing the Apache Server 457

Installing from the Ubuntu Repositories 457

Building the Source Yourself 458

Starting and Stopping Apache 460

Starting the Apache Server Manually. 461

Using /etc/init.d/apache2 462

Runtime Server Configuration Settings. 463

Runtime Configuration Directives 464

Editing apache2.conf 464

Apache Multiprocessing Modules 467

Using .htaccess Configuration Files. 467

File System Authentication and Access Control 469

Restricting Access with allow and deny 470

Authentication. 471

Final Words on Access Control. 473

Apache Modules. 474

mod_access. 475

mod_alias 475

mod_asis 475

mod_auth 476

mod_auth_anon 476

mod_auth_dbm. 476

mod_auth_digest 476

mod_autoindex 477

mod_cgi 477

mod_dir and mod_env. 477

mod_expires 477

mod_headers 477

mod_include 478

mod_info and mod_log_config 478

mod_mime and mod_mime_magic 478

mod_negotiation 478

mod_proxy 478

mod_rewrite 478

mod_setenvif. 479

mod_speling 479

mod_status. 479

mod_ssl 479

mod_unique_id 479

mod_userdir 479

mod_usertrack 479

mod_vhost_alias 479

Virtual Hosting 480

Address-Based Virtual Hosts. 480

Name-Based Virtual Hosts 481

Logging 482

References 484

24 Other HTTP Servers 485

Nginx. 485

lighttpd 487

Yaws 488

Cherokee 488

Jetty 489

thttpd 489

Apache Tomcat 490

References 490

25 Remote File Serving with FTP 491

Choosing an FTP Server. 491

Choosing an Authenticated or Anonymous Server 492

Ubuntu FTP Server Packages 492

Other FTP Servers 492

Installing FTP Software 493

The FTP User 494

Configuring the Very Secure FTP Server. 496

Controlling Anonymous Access 497

Other vsftpd Server Configuration Files 498

Using the ftphosts File to Allow or Deny FTP Server Connection 499

References 500

26 Handling Email 501

How Email Is Sent and Received 501

The Mail Transport Agent 502

Choosing an MTA. 504

The Mail Delivery Agent 504

The Mail User Agent 505

Basic Postfix Configuration and Operation 506

Configuring Masquerading. 508

Using Smart Hosts 509

Setting Message Delivery Intervals 509

Mail Relaying. 510

Forwarding Email with Aliases 510

Using Fetchmail to Retrieve Mail. 511

Installing Fetchmail 511

Configuring Fetchmail. 511

Choosing a Mail Delivery Agent 515

Procmail 515

Spamassassin 515

Squirrelmail. 516

Virus Scanners 516

Autoresponders 516

Alternatives to Microsoft Exchange Server 516

Microsoft Exchange Server/Outlook Client. 517

CommuniGate Pro. 517

Oracle Beehive 517

Bynari. 518

Open-Xchange 518

phpgroupware. 518

PHProjekt. 518

Horde 518

References 519

27 Proxying and Reverse Proxying 521

What Is a Proxy Server? 521

Installing Squid. 522

Configuring Clients 522

Access Control Lists 523

Specifying Client IP Addresses 527

Sample Configurations 528

References 530

28 Administering Relational Database Services 531

A Brief Review of Database Basics 532

How Relational Databases Work 533

Understanding SQL Basics. 536

Creating Tables. 536

Inserting Data into Tables 537

Retrieving Data from a Database 538

Choosing a Database: MySQL Versus PostgreSQL 540

Speed 540

Data Locking 541

ACID Compliance in Transaction Processing to Protect Data Integrity 542

SQL Subqueries 542

Procedural Languages and Triggers. 542

Configuring MySQL. 543

Setting a Password for the MySQL Root User 544

Creating a Database in MySQL. 544

Configuring PostgreSQL 546

Initializing the Data Directory in PostgreSQL 547

Creating a Database in PostgreSQL 547

Creating Database Users in PostgreSQL. 548

Deleting Database Users in PostgreSQL. 548

Granting and Revoking Privileges in PostgreSQL 549

Database Clients 550

SSH Access to a Database 550

Local GUI Client Access to a Database. 551

Web Access to a Database. 552

The MySQL Command-Line Client. 553

The PostgreSQL Command-Line Client 555

Graphical Clients. 555

References 556

29 NoSQL Databases 557

Key/Value Stores. 559

Berkeley DB 560

Cassandra. 560

Memcached and MemcacheDB 561

Redis 561

Document Stores. 562

CouchDB 562

MongoDB. 563

BaseX 564

Wide Column Stores 564

BigTable 565

HBase 565

References 565

30 Lightweight Directory Access Protocol (LDAP) 567

Configuring the Server 568

Creating Your Schema 568

Populating Your Directory. 570

Configuring Clients 572

Evolution 572

Thunderbird 572

Administration 572

References 574

31 Linux Terminal Server Project (LTSP) 575

Requirements 576

Installation. 579

Using LTSP 580

References 581

32 Virtualization on Ubuntu 583

KVM 585

VirtualBox. 589

VMware. 591

Xen. 591

References 591

33 Ubuntu in the Cloud 593

Why a Cloud?. 594

Ubuntu Cloud and Eucalyptus. 595

Deploy/Install Basics: Public or Private?. 596

Public 597

Private 598

A euca2ools Primer. 601

Ubuntu Cloud and OpenStack. 603

Compute Infrastructure (Nova) 603

Storage Infrastructure (Swift) 604

Imaging Service (Glance) 604

Installation. 604

Creating an Image 614

Instance Management 617

Storage Management. 617

Network Management 618

An OpenStack Commands Primer. 618

Learning More 618

Landscape 619

Juju. 619

Orchestra 620

References 620

Part V Programming Linux

34 Opportunistic Development 623

Version Control Systems. 624

Managing Software Projects with Subversion 624

Managing Software Projects with Bazaar 625

Managing Software Projects with Mercurial 626

Managing Software Projects with Git 627

Introduction to Opportunistic Development. 628

Launchpad 629

Quickly. 631

Ground Control 635

Bikeshed and Other Tools 638

References 641

35 Helping with Ubuntu Testing and QA 643

Community Teams 643

Ubuntu Testing Team 644

QA Team. 645

Bug Squad. 645

Test Drive. 645

References 648

36 Using Perl 649

Using Perl with Linux 649

Perl Versions 650

A Simple Perl Program. 650

Perl Variables and Data Structures 652

Perl Variable Types. 653

Special Variables 653

Operators. 654

Comparison Operators 654

Compound Operators. 655

Arithmetic Operators. 655

Other Operators 656

Special String Constants 657

Conditional Statements: if/else and unless 657

if 657

unless 658

Looping. 658

for. 659

foreach 659

while. 660

until. 660

last and next 660

do .. while and do .. until 661

Regular Expressions 661

Access to the Shell 662

Modules and CPAN. 663

Code Examples 664

Sending Mail 664

Purging Logs. 666

Posting to Usenet 667

One-Liners 668

Command-Line Processing 668

References 669

37 Using PHP 671

Introduction to PHP 672

Entering and Exiting PHP Mode 672

Variables 673

Arrays. 674

Constants. 676

References 676

Comments 677

Escape Sequences. 677

Variable Substitution 679

Operators 679

Conditional Statements 681

Special Operators. 683

Switching 683

Loops 685

Including Other Files. 687

Basic Functions 688

Strings 688

Arrays. 692

Files 693

Miscellaneous 696

Handling HTML Forms. 699

Databases. 700

References 702

38 Using Python 705

Python on Linux. 706

The Basics of Python. 707

Numbers 707

More on Strings. 709

Lists 712

Dictionaries 714

Conditionals and Looping. 715

Functions. 717

Object Orientation 718

Class and Object Variables 719

Constructors and Destructors. 720

Class Inheritance 721

The Standard Library and the Python Package Index 722

References 723

39 C/C++ Programming Tools for Ubuntu 725

Programming in C with Linux. 726

Using the C Programming Project Management Tools

Provided with Ubuntu. 727

Building Programs with make 727

Using Makefiles. 727

Using the autoconf Utility to Configure Code 729

Debugging Tools. 730

Using the GNU C Compiler 731

Graphical Development Tools. 732

Using the KDevelop Client. 732

The Glade Client for Developing in GNOME. 733

References 734

40 Using Mono 737

Why Use Mono? 738

MonoDevelop. 739

The Structure of a C# Program 741

Printing Out the Parameters 743

Creating Your Own Variables 743

Adding Some Error Checking. 744

Building on Mono’s Libraries. 745

Creating a GUI with Gtk# 745

References 746

41 Using Other Popular Programming Languages 749

Ada. 750

Clojure 750

COBOL. 751

Erlang 752

Forth. 752

Fortran 753

Groovy 753

Haskell 754

Java 754

JavaScript. 755

Lisp. 755

Lua 756

Ruby 756

Scala 756

Vala 757

References 757

42 Beginning Mobile Development for Android 759

Introduction to Android 760

Hardware 760

Linux Kernel. 760

Libraries. 760

Android Runtime. 760

Application Framework. 761

Applications 761

Installing the Android SDK 761

Install Java 761

Install Eclipse. 761

Install the SDK 762

Install the ADT Eclipse Plug-In. 762

Install Other Components. 762

Install Virtual Devices 763

Create Your First Application. 764

References 765

Part VI Appendices

A Ubuntu Under the Hood 767

What Is Linux? 767

Why Use Linux? 769

What Is Ubuntu?. 770

Ubuntu for Business. 771

Ubuntu in Your Home. 773

64-Bit Ubuntu. 773

Getting the Most from Ubuntu and Linux Documentation. 773

Ubuntu Developers and Documentation 775

References 775

B Ubuntu and Linux Internet Resources 777

Websites and Search Engines 778

Web Search Tips 778

Google Is Your Friend 779

Ubuntu Package Listings 779

Certification 779

Commercial Support 780

Documentation. 780

Linux Guides 781

Ubuntu. 781

Mini-CD Linux Distributions 781

Various Intel-Based Linux Distributions 782

PowerPC-Based Linux Distributions 782

Linux on Laptops and PDAs 783

The X Window System 783

Usenet Newsgroups 783

Mailing Lists. 784

Ubuntu Project Mailing Lists 785

Internet Relay Chat 785

Index 787

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Customer Reviews

Average Rating 4
( 5 )
Rating Distribution

5 Star

(3)

4 Star

(1)

3 Star

(0)

2 Star

(0)

1 Star

(1)

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Sort by: Showing all of 5 Customer Reviews
  • Anonymous

    Posted July 29, 2013

    George

    where is part five

    1 out of 1 people found this review helpful.

    Was this review helpful? Yes  No   Report this review
  • Anonymous

    Posted August 12, 2013

    Sophie to Author of the return

    I tried out for the Quest of margo but no luck. Name:Sophie Jackson Age:16 Siblings:Percy Jackson,Tyson Favorite color: Any shade of blue Boyfriend:Maybe Nico di angelo Usual outfit:hoodies,ripped jeans,combat boots ( i am a tomboy ) Personality:I am pretty tough and a good healer.I would rather die than to betray my friends.I can sing well and i have tons of strategies.I am fierce but friendly. Parent:Sally Jackson,Paul Blofis ,Poseidon.Eyes:sea blue Hair:Messy brown hair thats shoulder length and naturally curly.Looks: Tan skin,skinny,6"3.Weapons: a pearl that turns into a blue flaming sword when you smash it.I would be good for the quest because I can heal and i have tons of strategies.I am always prepared and I know how to help others with other situations.Hope you pick me.Thanks!

    0 out of 1 people found this review helpful.

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  • Anonymous

    Posted August 12, 2013

    Audrey to The Return

    Hey! I would love to go on the quest. (I would freak out if you picked me...ahhhh!! In a good way.) :) Obviously im Audrey, and i have long reddish/brownish hair, which is dyed red at the ends and i also have intense grey eyes. My hair is usually in a braid or just down. I usually wear a t-shirt of some sort, black combat boots and dark blue skinny jeans. I am a daughter of Athena. I carry my bronze bow and unlimited sheath of arrows, which was a gift from mom. I am super protective and caring towards friends, and a good fighter, which could be useful on your quest. Im super outgoing and sweet... but not if your on my dark side.... haha. Im a singk pringle... but you can change that if byou want.... :))) lol. Thats really it. Please consider me! I love your stories!! _audrey :)

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  • Anonymous

    Posted July 26, 2013

    To return auther

    My name is naomi i am 11 years old i am a girl i am the daughter of zeus i know, zeus broke the rules blah blah blah exept he didnt ! Lotus Casino, helloo i have short ( around my ears) curly brown hair and brown eyes plez respond i cant find part 5 help

    Was this review helpful? Yes  No   Report this review
  • Anonymous

    Posted August 9, 2013

    To Everyone from The Return

    There is going to be a quest in the story soon and l need to know who is willing to go. Reply soon

    Was this review helpful? Yes  No   Report this review
Sort by: Showing all of 5 Customer Reviews

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