Ubuntu Unleashed 2013 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 revised and updated by a long-time Ubuntu community leader to reflect the exciting new Ubuntu 12.10 (“Quantal Quetzal”) and the forthcoming Ubuntu 13.04. Former Ubuntu Forum administrator Matthew Helmke covers all you need to know about Ubuntu 12.10/13.04 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 new or improved coverage of navigation via Unity Dash, wireless networking, VPNs, software repositories, new NoSQL database options, virtualization and cloud services, new programming languages and development tools, monitoring, troubleshooting, and more. Configure and customize the Unity desktop and make the most of the Dash Get started with multimedia and productivity applications, including LibreOffice Manage Linux services, users, and software packages Administer and run Ubuntu from the command line (with added coverage of stdin, stdout, sdterr, redirection, and file comparison) 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, and HTTP servers (Apache or alternatives) Learn about new options for managing large numbers of servers Work with databases (both SQL and the newest NoSQL alternatives) Get started with virtualization Build a private cloud with Juju and Charms Learn the basics about popular programming languages including Python, PHP, Perl, and new alternatives such as Go and Rust

Table of Contents:
Introduction 1 Licensing   2 Who This Book Is For   3   Those Wanting to Become Intermediate or Advanced Users   3   Sysadmins, Programmers, and DevOps   4 What This Book Contains   5 Conventions Used in This Book   5 Part I Installation and Configuration 1  Installing Ubuntu and Post-Installation Configuration   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 DVD or USB Drive   11 Step-by-Step Installation   11   Installing   12   First Update   16     Wubi: The Easy Installer for Windows   16 Shutting Down   18 Finding Programs and Files   19 Software Updater   19 The sudo Command   22 Configuring Software Repositories   23 System Settings   26   Detecting and Configuring a Printer   26   Configuring Power Management in Ubuntu   27   Setting the Time and Date   27 Configuring Wireless Networks   29 Troubleshooting Post-Installation Configuration Problems   31 References   32 Part II Desktop Ubuntu 2  Working with Unity   33 Foundations and the X Server   33   Basic X Concepts   34   Using X   35   Elements of the xorg.conf File   36   Starting X   41   Using a Display Manager   41   Changing Window Managers   42 Using Unity, a Primer   42   The Desktop   43   Customizing and Configuring Unity   48 Power Shortcuts   49 References   50 3  On the Internet   51 Getting Started with Firefox   52 Checking Out Google Chrome and Chromium   53 Choosing an Email Client   55   Mozilla Thunderbird   56   Evolution   56   Other Mail Clients   57 RSS Readers   58   Firefox   58   Liferea   58 Instant Messaging and Video Conferencing with Empathy   59 Internet Relay Chat   60 Usenet Newsgroups   62 Ubuntu One Cloud Storage   64 References   64 4  Productivity Applications   65 Introducing LibreOffice   67 Other Office Suites for Ubuntu   69   Working with GNOME Office   69     Working with KOffice   70 Other Useful Productivity Software   71   Working with PDF   71   Working with XML and DocBook   71   Working with LaTeX   73 Productivity Applications Written for Microsoft Windows   73 References   74 5  Multimedia Applications   75 Sound and Music   75   Sound Cards   76   Adjusting Volume   77   Sound Formats   78   Listening to Music   79   Buying Music in the Ubuntu One Music Store   81 Graphics Manipulation   83   The GNU Image Manipulation Program   83   Using Scanners in Ubuntu   85   Working with Graphics Formats   85   Capturing Screen Images   87 Using Digital Cameras with Ubuntu   88   Handheld Digital Cameras   88   Using Shotwell Photo Manager   88 Burning CDs and DVDs in Ubuntu   89   Creating CDs and DVDs with Brasero   89   Creating CDs from the Command Line   89   Creating DVDs from the Command Line   91 Viewing Video   94   TV and Video Hardware   94   Video Formats   95   Viewing Video in Linux   96   Personal Video Recorders   97   Video Editing   97 References   98 6  Other Ubuntu Interfaces   99 Desktop Environment   100 KDE and Kubuntu   101 Xfce and Xubuntu   102   LXDE and Lubuntu   103 GNOME3 and Gnobuntu   104 References   105 7  Games   107 Ubuntu Gaming   107   Installing Proprietary Video Drivers   108 Installing Games in Ubuntu   109   Warsow   110   Scorched 3D   110   Frozen Bubble   111   SuperTux   112   Battle for Wesnoth   112   Frets on Fire   114   FlightGear   114   Speed Dreams   114   Games for Kids   114   Commercial Games   115 Playing Windows Games   116 References   116 Part III  System Administration 8  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 Configuration Management   130   Dotdee   130   OneConf   131 References   131 9  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 Reading Documentation   140   Using Man Pages    140   Using apropros   140   Using whereis   141 Understanding the Linux File System Hierarchy   141   Essential Commands in /bin and /sbin   142   Configuration Files in /etc   143   User Directories: /home   143   Using the Contents of the /proc Directory to Interact  with the Kernel   144     Working with Shared Data in the /usr Directory   145   Temporary File Storage in the /tmp Directory   146   Accessing Variable Data Files in the /var Directory   146 Navigating the Linux File System   146   Listing the Contents of a Directory with ls   146   Changing Directories with cd   148   Finding Your Current Directory with pwd   149 Working with Permissions   149   Assigning Permissions   150   Directory Permissions   151   Altering File Permissions with chmod   152   File Permissions with chgrp   153   Changing File Permissions with chown   153   Understanding Set User ID and Set Group ID Permissions   153 Working with Files   155   Creating a File with touch   155   Creating a Directory with mkdir   155   Deleting a Directory with rmdir   156   Deleting a File or Directory with rm   157   Moving or Renaming a File with mv   157   Copying a File with cp   158   Displaying the Contents of a File with cat   159   Displaying the Contents of a File with less   159   Using Wildcards and Regular Expressions   159 Working as Root   160   Understanding and Fixing sudo   160   Creating Users   164   Deleting Users   164   Shutting Down the System   165   Rebooting the System   166 Commonly Used Commands and Programs   166 References   167 10  Command-Line Master Class   169 Why Use the Command Line?   170 Using Basic Commands   171   Printing the Contents of a File with cat    172   Changing Directories with cd   173   Changing File Access Permissions with chmod   175   Copying Files with cp   175   Printing Disk Usage with du   176   Finding Files by Searching with find   177   Searches for a String in Input with grep   179   Paging Through Output with less   180   Creating Links Between Files with ln   182   Finding Files from an Index with locate   184   Listing Files in the Current Directory with ls   184   Reading Manual Pages with man   186   Making Directories with mkdir   187   Moving Files with mv   187   Listing Processes with ps   188   Deleting Files and Directories with rm   188   Printing the Last Lines of a File with tail   189   Printing Resource Usage with top   189   Printing the Location of a Command with which   191 Redirecting Output and Input   191 stdin, stdout, sdterr, and Redirection   193 Comparing Files   194   Finding Differences in Files with diff   194   Finding Similarities in Files with comm.   194 Combining Commands   195 Using Environment Variables   197 Using Common Text Editors   200   Working with nano   201   Working with vi   202   Working with emacs   203 Working with Compressed Files   204 Using Multiple Terminals with byobu   205 References   207 11  Managing Users   209 User Accounts   209   The Super User/Root User   210   User IDs and Group IDs   212   File Permissions   212 Managing Groups   213   Group Listing   213   Group Management Tools   214 Managing Users   216   User Management Tools   216   Adding New Users   218   Monitoring User Activity on the System   222 Managing Passwords   222   System Password Policy   222   The Password File   223   Shadow Passwords   224   Managing Password Security for Users   226   Changing Passwords in a Batch   227 Granting System Administrator Privileges to Regular Users   227   Temporarily Changing User Identity with the su Command    227   Granting Root Privileges on Occasion: The sudo Command   229 Disk Quotas   232   Implementing Quotas   233   Manually Configuring Quotas   233 Related Ubuntu Commands   234 References   235 12  Automating Tasks and Shell Scripting   237 Scheduling Tasks   237   Using at and batch to Schedule Tasks for Later   237   Using cron to Run Jobs Repeatedly   240 Basic Shell Control   242   The Shell Command Line   243   Shell Pattern-Matching Support   245   Redirecting Input and Output   246   Piping Data   247   Background Processing   247 Writing and Executing a Shell Script   248   Running the New Shell Program   249   Storing Shell Scripts for System-wide Access   250   Interpreting Shell Scripts Through Specific Shells   250   Using Variables in Shell Scripts   252   Assigning a Value to a Variable   252   Accessing Variable Values   253   Positional Parameters   253   A Simple Example of a Positional Parameter   253   Using Positional Parameters to Access and Retrieve Variables from the Command Line   254   Using a Simple Script to Automate Tasks   255   Built-In Variables   257   Special Characters   257   Using Double Quotes to Resolve Variables in Strings with Embedded Spaces   258   Using Single Quotes to Maintain Unexpanded Variables   259   Using the Backslash as an Escape Character   260   Using the Backtick to Replace a String with Output   260   Comparison of Expressions in pdksh and bash   261   Comparing Expressions with tcsh   266   The for Statement   270   The while Statement   271   The until Statement   273   The repeat Statement (tcsh)   274   The select Statement (pdksh)   274   The shift Statement   275   The if Statement   275   The case Statement   276   The break and exit Statements   278   Using Functions in Shell Scripts   279 References   280 13  The Boot Process   281 Running Services at Boot   281 Beginning the Boot Loading Process   282   Loading the Linux Kernel   283   System Services and Runlevels   284   Runlevel Definitions   284   Booting into the Default Runlevel   285   Understanding init Scripts and the Final Stage of Initialization   285   Controlling Services at Boot with Administrative Tools   286   Changing Runlevels   286   Troubleshooting Runlevel Problems   287 Starting and Stopping Services Manually   288 Using Upstart   289 References   290 14  System-Monitoring Tools   291 Console-Based Monitoring   291   Using the kill Command to Control Processes   293   Using Priority Scheduling and Control   294   Displaying Free and Used Memory with free   296   Disk Space   297   Disk Quotas   298 Graphical Process and System Management Tools   298   System Monitor   298   Conky   300   Other   305 KDE Process- and System-Monitoring Tools   305 Enterprise Server Monitoring   305   Landscape   306   Other   306 References   306 15  Backing Up   307 Choosing a Backup Strategy   307   Why Data Loss Occurs   308   Assessing Your Backup Needs and Resources   309   Evaluating Backup Strategies   311   Making the Choice   314 Choosing Backup Hardware and Media   314   Removable Storage Media   314   CD-RW and DVD+RW/-RW Drives   315   Network Storage   315   Tape Drive Backup   315   Cloud Storage   316 Using Backup Software   316   tar: The Most Basic Backup Tool   317   The GNOME File Roller   319   The KDE ark Archiving Tool   320   Déjà Dup   320   Back In Time   322   Unison   324   Using the Amanda Backup Application   324   Alternative Backup Software   325 Copying Files   326   Copying Files Using tar   326   Compressing, Encrypting, and Sending tar Streams   327   Copying Files Using cp   327   Copying Files Using mc   328   Using rsync   328 Version Control for Configuration Files   330   System Rescue   332   The Ubuntu Rescue Disc   333   Restoring the GRUB2 Boot Loader   333   Saving Files from a Nonbooting Hard Drive   333 References   334 16  Networking   335 Laying the Foundation: The localhost Interface   336   Checking for the Availability of the Loopback Interface   336   Configuring the Loopback Interface Manually   336 Checking Connections with ping, traceroute, and mtr   338 Networking with TCP/IP   340   TCP/IP Addressing   341   Using IP Masquerading in Ubuntu   343   Ports   344 IPv6 Basics   344 Network Organization   347   Subnetting   347   Subnet Masks   348   Broadcast, Unicast, and Multicast Addressing   348 Hardware Devices for Networking   349   Network Interface Cards   349   Network Cable   351   Hubs and Switches   352   Routers and Bridges   353   Initializing New Network Hardware   353 Using Network Configuration Tools   355   Command-Line Network Interface Configuration   356   Network Configuration Files   360   Using Graphical Configuration Tools   363 Dynamic Host Configuration Protocol   365   How DHCP Works   365   Activating DHCP at Installation and Boot Time   366   DHCP Software Installation and Configuration   367   Using DHCP to Configure Network Hosts   369   Other Uses for DHCP   371 Wireless Networking   371   Support for Wireless Networking in Ubuntu   371   Advantages of Wireless Networking   373   Choosing from Among Available Wireless Protocols   373 Beyond the Network and onto the Internet   374 Common Configuration Information   374 Configuring Digital Subscriber Line Access   376   Understanding PPP over Ethernet   376   Configuring a PPPoE Connection Manually   377 Configuring Dial-Up Internet Access   378 Troubleshooting Connection Problems   379 References   380 17  Remote Access with SSH and Telnet   381 Setting Up a Telnet Server   381 Telnet Versus SSH   383 Setting Up an SSH Server   383 SSH Tools   383   Using scp to Copy Individual Files Between Machines   384   Using sftp to Copy Many Files Between Machines   385   Using ssh-keygen to Enable Key-Based Logins   385 Virtual Network Computing   387 References   389 18  Securing Your Machines   391 Understanding Computer Attacks 391 Assessing Your Vulnerability   393 Protecting Your Machine   394   Securing a Wireless Network   395   Passwords and Physical Security   395   Configuring and Using Tripwire   396   Devices   397 Viruses   397 Configuring Your Firewall   398 AppArmor   401 Forming a Disaster Recovery Plan   403 References   404 19  Performance Tuning   405 Hard Disk   405   Using the BIOS and Kernel to Tune the Disk Drives   406   The hdparm Command   407   File System Tuning   408   The tune2fs Command   408   The e2fsck Command   409   The badblocks Command   409   Disabling File Access Time   409 Kernel   410 Apache   411 MySQL   412   Measuring Key Buffer Usage   412   Using the Query Cache   414   Miscellaneous Tweaks   415   Query Optimization   416 References   416 20  Kernel and Module Management   417 The Linux Kernel   418   The Linux Source Tree   419   Types of Kernels   421 Managing Modules   422 When to Recompile   424 Kernel Versions   425 Obtaining the Kernel Sources   426 Patching the Kernel   426 Compiling the Kernel   428   Using xconfig to Configure the Kernel   431   Creating an Initial RAM Disk Image   434 When Something Goes Wrong   435   Errors During Compile   435   Runtime Errors, Boot Loader Problems, and Kernel Oops   436 References   436 Part IV  Ubuntu as a Server 21  Sharing Files and Printers   439 Using the Network File System   440   Installing and Starting or Stopping NFS   440   NFS Server Configuration   440   NFS Client Configuration   442 Putting Samba to Work   443   Manually Configuring Samba with /etc/samba/smb.conf    444   Testing Samba with the testparm Command   447   Starting, Stopping, and Restarting the smbd Daemon   448   Mounting Samba Shares   449   Configuring Samba Using SWAT   450 Network and Remote Printing with Ubuntu   453   Creating Network Printers   454   Using the Common UNIX Printing System GUI   456   Avoiding Printer Support Problems   458 References   460 22  Apache Web Server Management   461 About the Apache Web Server   461 Installing the Apache Server   462   Installing from the Ubuntu Repositories   463   Building the Source Yourself   464 Starting and Stopping Apache   467   Starting the Apache Server Manually   467   Using /etc/init.d/apache2   468 Runtime Server Configuration Settings   469   Runtime Configuration Directives   470   Editing apache2.conf    470   Apache Multiprocessing Modules   473   Using .htaccess Configuration Files   473 File System Authentication and Access Control   475   Restricting Access with allow and deny   476   Authentication   477   Final Words on Access Control   479 Apache Modules   480   mod_access   481   mod_alias   481   mod_asis   481   mod_auth   482   mod_auth_anon   482   mod_auth_dbm   482   mod_auth_digest   482   mod_autoindex   483   mod_cgi   483   mod_dir and mod_env   483   mod_expires   483   mod_headers   483   mod_include    484   mod_info and mod_log_config   484   mod_mime and mod_mime_magic   484   mod_negotiation   484   mod_proxy   484   mod_rewrite    484   mod_setenvif   485   mod_speling   485   mod_status    485   mod_ssl    485   mod_unique_id   485   mod_userdir   485   mod_usertrack   485   mod_vhost_alias   485 Virtual Hosting   486   Address-Based Virtual Hosts   486   Name-Based Virtual Hosts   486 Logging   488 References   490 23  Other HTTP Servers   491 Nginx   491 Lighttpd   493 Yaws   494 Cherokee   494 Jetty   495 Thttpd   . 495 Apache Tomcat   496 References   496 24  Remote File Serving with FTP   497 Choosing an FTP Server   497   Choosing an Authenticated or Anonymous Server   498   Ubuntu FTP Server Packages   498   Other FTP Servers   498 Installing FTP Software   499 The FTP User   500 Configuring the Very Secure FTP Server   502   Controlling Anonymous Access   503   Other vsftpd Server Configuration Files   504 Using the ftphosts File to Allow or Deny FTP Server Connection   505 References   506 25  Handling Email   507 How Email Is Sent and Received   507   The Mail Transport Agent    508   Choosing an MTA   510   The Mail Delivery Agent   510   The Mail User Agent   511 Basic Postfix Configuration and Operation   512   Configuring Masquerading   514   Using Smart Hosts   515   Setting Message Delivery Intervals   515   Mail Relaying   516   Forwarding Email with Aliases   516 Using Fetchmail to Retrieve Mail   517   Installing Fetchmail   517   Configuring Fetchmail   517 Choosing a Mail Delivery Agent    521   Procmail   521   Spamassassin   521   Squirrelmail   522   Virus Scanners   522   Autoresponders   522 Alternatives to Microsoft Exchange Server   522   Microsoft Exchange Server/Outlook Client   523   CommuniGate Pro   523   Oracle Beehive   524   Bynari   524   Open-Xchange   524   Phpgroupware   524   PHProjekt   524   Horde   524 References   525 26  Proxying, Reverse Proxying, and Virtual Private Networks (VPN)   527 What Is a Proxy Server?   527 Installing Squid   528 Configuring Clients   528 Access Control Lists   529 Specifying Client IP Addresses   533 Sample Configurations   534 Virtual Private Networks (VPN)   536   Setting Up a VPN Client   537   Setting Up a VPN Server   539 References   541 27  Administering Relational Database Services   543 A Brief Review of Database Basics   544   How Relational Databases Work   545   Understanding SQL Basics   547   Creating Tables   548   Inserting Data into Tables   549   Retrieving Data from a Database   550 Choosing a Database: MySQL Versus PostgreSQL   552   Speed   552   Data Locking   552   ACID Compliance in Transaction Processing to Protect Data Integrity   553   SQL Subqueries   554   Procedural Languages and Triggers   554 Configuring MySQL   554   Setting a Password for the MySQL Root User   555   Creating a Database in MySQL   556 Configuring PostgreSQL   558   Initializing the Data Directory in PostgreSQL   558   Creating a Database in PostgreSQL   559   Creating Database Users in PostgreSQL   559   Deleting Database Users in PostgreSQL   560   Granting and Revoking Privileges in PostgreSQL   561 Database Clients   561   SSH Access to a Database   562   Local GUI Client Access to a Database   563     Web Access to a Database   563   The MySQL Command-Line Client   564   The PostgreSQL Command-Line Client   566   Graphical Clients   566 References   567 28  NoSQL Databases   569 Key/Value Stores   571   Berkeley DB   572   Cassandra   572   Memcached and MemcacheDB   573   Redis   573   Riak   574 Document Stores   574   CouchDB   575   MongoDB   575   BaseX   576 Wide Column Stores   576   BigTable   577   HBase   577 Graph Stores   577   Neo4j   578   OrientDB   578   HyperGraphDB   578   FlockDB   578 References   579 29  Lightweight Directory Access Protocol (LDAP)   581 Configuring the Server   582   Creating Your Schema   582   Populating Your Directory   584 Configuring Clients   586   Evolution   586   Thunderbird   587 Administration   587 References   588 30  Linux Terminal Server Project (LTSP)   589 Requirements   590 Installation   593 Using LTSP   594 References   595 31  Virtualization on Ubuntu   597 KVM   599 VirtualBox   603 VMware   605 Xen   605 References   605 32  Ubuntu in the Cloud   607 Why a Cloud?   608   Software as a Service (SaaS)   609   Platform as a Service (PaaS).   609   Infrastructure as a Service (IaaS)   609   Metal as a Service (MaaS)   609   Before You Do Anything   610 Ubuntu Cloud and Eucalyptus   610   Deploy/Install Basics: Public or Private?   612   Public   612   Private   613   A euca2ools Primer   616 Ubuntu Cloud and OpenStack   618   Compute Infrastructure (Nova)   618   Storage Infrastructure (Swift)   619   Imaging Service (Glance)   619   Installation   619   Creating an Image   629   Instance Management   632   Storage Management   633   Network Management   633   An OpenStack Commands Primer   634   Learning More   634 Juju   634   Getting Started   635   Charms   638 Landscape   640 References   640 33  Managing Sets of Servers   641 Juju 641 Puppet   642 Chef 642 CFEngine 643 Landscape 643 References   643 Part V Programming Linux 34  Opportunistic Development   645 Version Control Systems   646   Managing Software Projects with Subversion   646   Managing Software Projects with Bazaar   647   Managing Software Projects with Mercurial   648   Managing Software Projects with Git   649 Introduction to Opportunistic Development   650 Launchpad   651 Quickly   653 Ground Control   657 Bikeshed and Other Tools   661 References   663 35  Helping with Ubuntu Development   665 Introduction to Ubuntu Development   666 Setting Up Your Development System   667   Install Basic Packages and Configure 667   Create a Launchpad Account   668   Set Up Your Environment to Work with Launchpad   668 Fixing Bugs and Packaging   670 Finding Bugs to Fix with Harvest   673 Masters of the Universe   673 References   673 36  Helping with Ubuntu Testing and QA   675 Community Teams   675   Ubuntu Testing Team   676   QA Team   676 Bug Squad   677 Test Drive   677 References   680 37  Using Perl   681 Using Perl with Linux   . 681   Perl Versions   682   A Simple Perl Program   682 Perl Variables and Data Structures   684   Perl Variable Types   685   Special Variables   685 Operators   686   Comparison Operators   686   Compound Operators   687   Arithmetic Operators   687   Other Operators   688   Special String Constants   688 Conditional Statements: if/else and unless   689   If.   689   unless   690 Looping   690   For   690   Foreach   691   While   691   until    692   last and next   692   do ... while and do ... until   692 Regular Expressions   693 Access to the Shell   694 Modules and CPAN   695 Code Examples   695   Sending Mail   695   Purging Logs   697   Posting to Usenet   698   One-Liners   699   Command-Line Processing   700 References   700 38  Using Python   703 Python on Linux   704 The Basics of Python   705   Numbers   705   More on Strings   707   Lists   710   Dictionaries   712   Conditionals and Looping   713 Functions    715 Object Orientation   716   Class and Object Variables   717   Constructors and Destructors   718   Class Inheritance   719 The Standard Library and the Python Package Index   721 References   721 39  Using PHP   723 Introduction to PHP   724   Entering and Exiting PHP Mode   724   Variables   724   Arrays   726   Constants   728   References   728   Comments   729   Escape Sequences   729   Variable Substitution   730   Operators   731   Conditional Statements   733   Special Operators   734   Switching   735   Loops   737   Including Other Files   739 Basic Functions   740   Strings   740   Arrays   743   Files   745   Miscellaneous   747 Handling HTML Forms   751 Databases   751 References   754 40   C/C++ Programming Tools for Ubuntu   755 Programming in C with Linux 756 Using the C Programming Project Management Tools Provided with Ubuntu 757   Building Programs with make 757   Using Makefiles 757   Using the autoconf Utility to Configure Code 759   Debugging Tools 760 Using the GNU C Compiler 761 Graphical Development Tools 762   Using the KDevelop Client 762   The Glade Client for Developing in GNOME 763 References 764 41  Using Other Popular Programming Languages   767 Ada   768 Clojure   768 COBOL   769 Erlang   770 Forth   770 Go   771 Fortran   771 Groovy   771 Haskell   772 Java   772 JavaScript   772 Lisp   773 Lua   773 Mono   774 Ruby   774 Rust   775 Scala   775 Scratch   776 Vala   776 References   776 42  Beginning Mobile Development for Android   779 Introduction to Android   780   Hardware   780   Linux Kernel   780   Libraries   780   Android Runtime   780   Application Framework   780   Applications   781 Installing the Android SDK   781   Install Java   781   Install Eclipse   781   Install the SDK   781   Install the ADT Eclipse Plug-In   782   Install Other Components   782  Install Virtual Devices   783 Create Your First Application   784 References   785 Part VI Appendices A  Ubuntu Under the Hood   787 What Is Linux?   787 Why Use Linux?   788 What Is Ubuntu?   790 Ubuntu for Business    791 Ubuntu in Your Home   792 64-Bit Ubuntu   793 Getting the Most from Ubuntu and Linux Documentation   793 Ubuntu Developers and Documentation   795 References   795 B  Ubuntu and Linux Internet Resources   797 Websites and Search Engines   798   Web Search Tips   798   Google Is Your Friend   799   Ubuntu Package Listings   799   Certification   799   Commercial Support   800   Documentation   800   Linux Guides   800   Ubuntu   801   Mini-CD Linux Distributions   801   Various Intel-Based Linux Distributions   802   PowerPC-Based Linux Distributions   802   Linux on Laptops and PDAs   802   The X Window System   803 Usenet Newsgroups   803 Mailing Lists   804   Ubuntu Project Mailing Lists   805 Internet Relay Chat   805 Index   807