https://www.linuxtopia.org/index.html Regular updates on new free technical books and How To guides covering programming, system administration, web development, networking and security en-US admin@linuxtopia.org https://www.linuxtopia.org/images/forumlogo.jpg An extensive on-line library of technical books and tutorials realting to Linux, programming, system administration, networking, security, web development, and databases https://linuxtopia.org/online_books/installation_guides/redhat_fedora_core_6_installation_guide/index.html For those of you who may not have been aware, the Fedora Core team released the long awaited Fedora Core 6 release on October 24th. The release has proven to be so popular that the Fedora web site hosted by Red Hat has been repeatedly inaccessible during the last week. Fedora Core 6 introduces many new features including the latest release of the GNOME desktop environment, enhanced system administration tools and new tools for configuring and maintaining Xen based virtualization. For those interested in trying out Fedora Core 6 we have now added the Fedora Core 6 Installation Guide to the Linuxtopia on-line library https://www.linuxtopia.org/news/kde_user_guide_online.html The Linux KDE Desktop Environment User Guide is now available on-line at the Linuxtopia.org Technical Library. This is a useful resource for anyone who is either new to Linux and/or KDE or is already using KDE and would like to learn more about this Linux popular desktop environment. https://www.linuxtopia.org/online_books/database_guides/Practical_PostgreSQL/book1.htm Learn how to build, install and use PostgreSQL to build databases with this free on-line book now on-line in the Linuxtopia technical library. https://www.linuxtopia.org/online_books/mail_systems/postfix_documentation/index.html Learn everything you need to know to install, configure and maintain a Postfix based email server on your Linux system using these guides. https://www.linuxtopia.org/HowToGuides/fedora_core_6_xen_quickstart/index.html Learn how to configure Xen based virtualization using the new Fedora Core 6 tools with this new Quick Start Guide. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_enterprise_desktop_deployment_guide/index.html Everything you'll ever need to know to administer and maintain a SUSE Linux Enterprise Desktop (SLED) system in a single on-line guide now avialable at Linuxtopia.org. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_enterprise_desktop_gnome_guide/index.html This guide, now available in the Linuxtopia on-line technical library covers all aspects of using the SUSE Linux Enterprise Desktop GNOME environment. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_desktop_kde_guide/index.html This guide, now available in the Linuxtopia on-line technical library covers all aspects of using the SUSE Linux Enterprise Desktop KDE environment. https://www.linuxtopia.org/online_books/suse_linux_guides/SLES10/suse_enterprise_linux_server_installation_admin/index.html This guide covers all aspects of the installation and administration of SUSE Linux Enterprise Server 10. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_desktop_network_guide/index.html This guide covers the basics of SUSE Linux Enterprise Desktop 10 connectivity. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_desktop_kde_quick_start/quickstart.html Get up to speed fast with the KDE desktop environment with this free guide. https://www.linuxtopia.org/online_books/suse_linux_guides/SLED10/suse_linux_desktop_gnome_quick_start/gnomequick.html Get up to speed fast with the GNOME desktop environment with this free guide now available at Linuxtopia. https://www.linuxtopia.org/online_books/graphics_tools/gimp_user_manual/index.html Become a design and image manipulation expert using GIMP with this guide now available at Linuxtopia. With Linux we don't need to spend a fortune on Adobe image tools - we've got The GIMP! https://www.linuxtopia.org/online_books/network_administration_guides/NFS_tutorial/index.html Learn how to install and configure network drive sharing using NFS on your Linux network using this easy to follow tutorial. https://www.linuxtopia.org/online_books/rhel5/installation_guide/index.html The much awaited Red Hat Enterprise Linux 5 release is now shipping and Linuxtopia has all the documentation you need to install this new release. Read the Red Hat Enterprise Linux 5 Installation Guide at Linuxtopia. https://www.linuxtopia.org/online_books/rhel5/rhel5_xen_virtualization/index.html One of the most signicant features of RHEL5 is integration of Xen Virtualization technology. This guide covers installation, setup and management using Red Hat's new Xen management tools. https://www.techotopia.com/index.php/Fedora_Linux_Essentials Fedora Linux Essentials is an online book designed to provide detailed information on the use and administration of Fedora Linux. For beginners, the book covers the basics of configuring the desktop environment, resolving screen resolution issues and configuring the email client to send and receive email messages via web based services such as GMail. Installation topics such as dual booting with Microsoft Windows and configuring wireless networking are covered together with all important security topics such as configuring a firewall. For the experienced user, topics such as configuring email and web servers, Xen virtualization, Secure Shell (SSH), remote desktop access and file sharing are covered in detail to provide a thorough overview of this popular, cutting edge operating system. https://www.linuxtopia.org/online_books/rhel5/rhel5_xen_virtualization/index.html One of the most signicant features of RHEL5 is integration of Xen Virtualization technology. This guide covers installation, setup and management using Red Hat's new Xen management tools. https://www.techotopia.com/index.php/Ruby_Essentials Ruby is a flexible and intuitive object-oriented programming language. From modest beginnings in Japan where it rapidly gained a loyal following, the popularity of Ruby has now spread throughout the programming world. This surge in popularity can, in no small part, be attributed to the introduction and wide adoption of the Ruby on Rails framework. It is difficult, however, to get the most out of Ruby on Rails without first learning something about programming in Ruby, and this is where Ruby Essentials comes in. Ruby Essentials is a free on-line book designed to provide a concise and easy to follow guide to learning Ruby. Everything from installing Ruby and the basics of the language through to topics such as arrays, file handling and object-oriented programming are covered, all combined with easy to understand code examples which serve to bridge the gap between theory and practice. Ruby Essentials is intended to be of equal use both to those experienced in other programming languages and to novices who have chosen Ruby as their first programming language. https://www.techotopia.com/index.php/Fedora_Desktop_Essentials In addition to being a powerful and widely deployed server based operating system, Linux is now also beginning to gain considerable attention as a desktop operating system. Linux provides a number of options in terms of graphical desktop environments. The two predominant desktops are currently KDE and GNOME. There are also a number of different Linux distributions, some of which use KDE by default, and others which are primarily GNOME based. Each distribution in turn makes subtle changes to the standard desktop environment. This book is about the GNOME desktop in the context of the Fedora Linux distribution and is the first in the Techotopia Linux Desktop book series. The objective of the book is to provide the reader with the necessary information to use, customize and configure the GNOME desktop on Fedora and is intended as a companion to the Fedora Linux Essentials book which covers the use and maintenance of the underlying Fedora operating system. Topics covered in this book include all aspects of desktop customization, using and configuring the file and folder manager, installation and setup of the GNOME online desktop, changing font settings, adding gDesklets to the desktop and much more. https://www.techotopia.com/index.php/Ubuntu_Desktop_Essentials Following from unbridled success on servers, Linux has now begun a full scale assault on the desktop. Amongst the distributions at the forefront of the Linux desktop revolution is Ubuntu. Each iteration of Ubuntu brings more features and ease of use to the Linux desktop environment. There are two primary variants of the Ubuntu. One is based on the KDE desktop environment and is called Kubuntu. The default Ubuntu distribution (called simply Ubuntu) is based on the GNOME desktop. This book is about the Ubuntu implementation of the GNOME desktop and is part of the Techotopia Linux Desktop series of online books. Ubuntu Desktop Essentials is the companion book to the Ubuntu Linux Essentials Techotopia online publication and is designed to cover everything that a user needs to know to use and customize the Ubuntu GNOME desktop. In terms of usability, guided tour provides a detailed overview of the how the desktop works. The book then provides step by step tutorials covering every aspect of customizing the desktop, from changing the background and desktop themes to activating and configuring the new Compiz Fusion desktop visual effects. Chapters are also dedicated to topics such as changing fonts, setting up keyboard shortcuts, enhancing the desktop with desklets, configuring and saving sessions and customizing the file manager. On completion of this book the reader will be confidently using all aspects of the Ubuntu desktop in addition to having the desktop configured exactly as they want it. https://www.techotopia.com/index.php/openSUSE_Desktop_Essentials This purpose of this book is to cover all aspects of the use and configuration of the openSUSE GNOME desktop environment. Topics covered include changing the openSUSE GNOME Desktop background, installing and customizing themes, configuring fonts, configuring workspaces, remote access to the openSUSE desktop and much more. On completion of this book, it is hoped that the reader will be confidently using and configuring the openSUSE implementation of the GNOME desktop. https://www.techotopia.com/index.php/C_Sharp_Essentials The C# Essentials online book contains 23 chapters of detailed information intended to provide everything necessary to gain proficiency as a C# programmer. The book begins with a detailed overview of the C# development and runtime environment with overviews of the Common Language Infrastructure (CLI), Common Intermediate Language (CIL) and Virtual Execution System (VES) followed by simple steps to creating both Windows and console based C# applications. A number of chapters are dedicated to the fundamentals of the C# programming language, including topics such as variables, constants, operators, flow control, looping and object oriented programming (including topics such as inheritance and abstract classes). Subsequent chapters focus on issues such as manipulating and formating strings and working with arrays and collection classes. Once the basics of the C# language have been covered the final stages of the book focus on the design of GUI based applications using C# in conjunction with Visual Studio. On completing C# Essentials it is anticipated that the reader will have a firm knowledge foundation on which to begin developing complex C# based applications. https://www.virtuatopia.com/index.php/Xen_Virtualization_Essentials Xen Essentials Xen Virtualization Essentials is an online book which takes a practical approach to learning about and deploying Xen based virtualization solutions. The book covers a wide range of Xen virtualization related topics including the creation and configuration of both paravirtualized and HVM guests, and the ongoing configuration and maintenance of the virtualized environment.