Author: Sandi Metz
Publisher: Pearson Education
ISBN: 0321721330
Category : Computers
Languages : en
Pages : 272
Book Description
The Complete Guide to Writing More Maintainable, Manageable, Pleasing, and Powerful Ruby Applications Ruby's widely admired ease of use has a downside: Too many Ruby and Rails applications have been created without concern for their long-term maintenance or evolution. The Web is awash in Ruby code that is now virtually impossible to change or extend. This text helps you solve that problem by using powerful real-world object-oriented design techniques, which it thoroughly explains using simple and practical Ruby examples. This book focuses squarely on object-oriented Ruby application design. Practical Object-Oriented Design in Ruby will guide you to superior outcomes, whatever your previous Ruby experience. Novice Ruby programmers will find specific rules to live by; intermediate Ruby programmers will find valuable principles they can flexibly interpret and apply; and advanced Ruby programmers will find a common language they can use to lead development and guide their colleagues. This guide will help you Understand how object-oriented programming can help you craft Ruby code that is easier to maintain and upgrade Decide what belongs in a single Ruby class Avoid entangling objects that should be kept separate Define flexible interfaces among objects Reduce programming overhead costs with duck typing Successfully apply inheritance Build objects via composition Design cost-effective tests Solve common problems associated with poorly designed Ruby code
Practical Object-oriented Design in Ruby
Author: Sandi Metz
Publisher: Pearson Education
ISBN: 0321721330
Category : Computers
Languages : en
Pages : 272
Book Description
The Complete Guide to Writing More Maintainable, Manageable, Pleasing, and Powerful Ruby Applications Ruby's widely admired ease of use has a downside: Too many Ruby and Rails applications have been created without concern for their long-term maintenance or evolution. The Web is awash in Ruby code that is now virtually impossible to change or extend. This text helps you solve that problem by using powerful real-world object-oriented design techniques, which it thoroughly explains using simple and practical Ruby examples. This book focuses squarely on object-oriented Ruby application design. Practical Object-Oriented Design in Ruby will guide you to superior outcomes, whatever your previous Ruby experience. Novice Ruby programmers will find specific rules to live by; intermediate Ruby programmers will find valuable principles they can flexibly interpret and apply; and advanced Ruby programmers will find a common language they can use to lead development and guide their colleagues. This guide will help you Understand how object-oriented programming can help you craft Ruby code that is easier to maintain and upgrade Decide what belongs in a single Ruby class Avoid entangling objects that should be kept separate Define flexible interfaces among objects Reduce programming overhead costs with duck typing Successfully apply inheritance Build objects via composition Design cost-effective tests Solve common problems associated with poorly designed Ruby code
Publisher: Pearson Education
ISBN: 0321721330
Category : Computers
Languages : en
Pages : 272
Book Description
The Complete Guide to Writing More Maintainable, Manageable, Pleasing, and Powerful Ruby Applications Ruby's widely admired ease of use has a downside: Too many Ruby and Rails applications have been created without concern for their long-term maintenance or evolution. The Web is awash in Ruby code that is now virtually impossible to change or extend. This text helps you solve that problem by using powerful real-world object-oriented design techniques, which it thoroughly explains using simple and practical Ruby examples. This book focuses squarely on object-oriented Ruby application design. Practical Object-Oriented Design in Ruby will guide you to superior outcomes, whatever your previous Ruby experience. Novice Ruby programmers will find specific rules to live by; intermediate Ruby programmers will find valuable principles they can flexibly interpret and apply; and advanced Ruby programmers will find a common language they can use to lead development and guide their colleagues. This guide will help you Understand how object-oriented programming can help you craft Ruby code that is easier to maintain and upgrade Decide what belongs in a single Ruby class Avoid entangling objects that should be kept separate Define flexible interfaces among objects Reduce programming overhead costs with duck typing Successfully apply inheritance Build objects via composition Design cost-effective tests Solve common problems associated with poorly designed Ruby code
A Practical Guide to Fedora and Red Hat Enterprise Linux
Author: Mark G. Sobell
Publisher: Prentice Hall
ISBN: 0132757273
Category : Computers
Languages : en
Pages : 1323
Book Description
In this book, one of the world's leading Linux experts brings together all the knowledge you need to master Fedora or Red Hat Enterprises Linux and succeed with it in the real world.
Publisher: Prentice Hall
ISBN: 0132757273
Category : Computers
Languages : en
Pages : 1323
Book Description
In this book, one of the world's leading Linux experts brings together all the knowledge you need to master Fedora or Red Hat Enterprises Linux and succeed with it in the real world.
A Practical Guide to Fedora and Red Hat Enterprise Linux
Author: Mark G. Sobell
Publisher: Prentice Hall
ISBN: 0133522172
Category : Computers
Languages : en
Pages : 1400
Book Description
“I have found this book to be a very useful classroom text, as well as a great Linux resource. It teaches Linux using a ground-up approach that gives students the chance to progress with their skills and grow into the Linux world. I have often pointed to this book when asked to recommend a solid Linux reference.” – Eric Hartwell, Chair, School of Information Technology, ITT Technical Institute Master All the Techniques You Need to Succeed with FedoraTM or Red Hat® Enterprise Linux® The #1 Fedora and RHEL resource–a tutorial AND on-the-job reference Master Linux administration and security using the command line, GUI tools, Python, systemd, and firewalld Set up key Internet servers, step by step, including Samba, Apache, MariaDB/MySQL, sendmail, OpenSSH, DNS, LDAP, and more Brand-new chapter on Virtual Machines and Cloud Computing! In this comprehensive guide, one of the world’s leading Linux experts brings together all the knowledge and real-world insights you need to master and succeed with today’s versions of Fedora or Red Hat Enterprise Linux. Best-selling author Mark Sobell explains Linux clearly and effectively, focusing on skills you’ll actually need as a user, programmer, or administrator. Sobell assumes no prior Linux knowledge. He starts at the beginning and walks you through every topic and task that matters, using easy-to-understand examples. Step by step, you’ll learn how to install and configure Linux from the accompanying DVD, navigate its graphical user interface, provide file/printer sharing, configure network servers, secure Linux desktops and networks, work with the command line, administer Linux efficiently, and automate administration using Python and bash. Mark Sobell has taught hundreds of thousands of Linux and UNIX professionals. He knows every Linux nook and cranny–and he never forgets what it’s like to be new to Linux. Whatever you want to do with Linux–now or in the future–you’ll find it in this book. Compared with other Linux books, A Practical Guide to FedoraTMand Red Hat®Enterprise Linux ®, Seventh Edition, delivers Complete, up-to-the-minute coverage of Fedora 19 and RHEL 7 (beta) New programming chapters that cover Python and MariaDB/MySQL, plus a new tutorial on using GnuPG to encrypt communications Information on state-of-the-art security: SELinux, ACLs, firewalld ( firewall-config and firewall-cmd), iptables ( system-config-firewall), GnuPG, and OpenSSH New chapter on VMs (virtual machines) and cloud computing, including VMware, QEMU/KVM, virt-manager, virsh, GNOME Boxes, and AWS (Amazon Web Services) Expanded command-line coverage, including a new chapter that details 32 important utilities Practical information on Internet server configuration, including Apache, sendmail, NFSv4, DNS/BIND, the new LDAP Dynamic Server, and IPv6 Complete “meat-and-potatoes” information on system/network administration, now including GRUB 2, the XFS filesystem, the new Anaconda Installer, the systemd init daemon, firewalld, and NetworkManager Detailed instructions on keeping Linux systems up to date, finding software packages, and working with repositories using yum and rpm Full coverage of the LPI Linux Essentials exam objectives plus extensive coverage of the CompTIA Linux+ exam objectives; Appendix E provides a map from objectives to pages in the book New coverage of find, sort, xz (compression), free, xargs, and the nano editor And much more, including a 500+ term glossary and comprehensive indexes
Publisher: Prentice Hall
ISBN: 0133522172
Category : Computers
Languages : en
Pages : 1400
Book Description
“I have found this book to be a very useful classroom text, as well as a great Linux resource. It teaches Linux using a ground-up approach that gives students the chance to progress with their skills and grow into the Linux world. I have often pointed to this book when asked to recommend a solid Linux reference.” – Eric Hartwell, Chair, School of Information Technology, ITT Technical Institute Master All the Techniques You Need to Succeed with FedoraTM or Red Hat® Enterprise Linux® The #1 Fedora and RHEL resource–a tutorial AND on-the-job reference Master Linux administration and security using the command line, GUI tools, Python, systemd, and firewalld Set up key Internet servers, step by step, including Samba, Apache, MariaDB/MySQL, sendmail, OpenSSH, DNS, LDAP, and more Brand-new chapter on Virtual Machines and Cloud Computing! In this comprehensive guide, one of the world’s leading Linux experts brings together all the knowledge and real-world insights you need to master and succeed with today’s versions of Fedora or Red Hat Enterprise Linux. Best-selling author Mark Sobell explains Linux clearly and effectively, focusing on skills you’ll actually need as a user, programmer, or administrator. Sobell assumes no prior Linux knowledge. He starts at the beginning and walks you through every topic and task that matters, using easy-to-understand examples. Step by step, you’ll learn how to install and configure Linux from the accompanying DVD, navigate its graphical user interface, provide file/printer sharing, configure network servers, secure Linux desktops and networks, work with the command line, administer Linux efficiently, and automate administration using Python and bash. Mark Sobell has taught hundreds of thousands of Linux and UNIX professionals. He knows every Linux nook and cranny–and he never forgets what it’s like to be new to Linux. Whatever you want to do with Linux–now or in the future–you’ll find it in this book. Compared with other Linux books, A Practical Guide to FedoraTMand Red Hat®Enterprise Linux ®, Seventh Edition, delivers Complete, up-to-the-minute coverage of Fedora 19 and RHEL 7 (beta) New programming chapters that cover Python and MariaDB/MySQL, plus a new tutorial on using GnuPG to encrypt communications Information on state-of-the-art security: SELinux, ACLs, firewalld ( firewall-config and firewall-cmd), iptables ( system-config-firewall), GnuPG, and OpenSSH New chapter on VMs (virtual machines) and cloud computing, including VMware, QEMU/KVM, virt-manager, virsh, GNOME Boxes, and AWS (Amazon Web Services) Expanded command-line coverage, including a new chapter that details 32 important utilities Practical information on Internet server configuration, including Apache, sendmail, NFSv4, DNS/BIND, the new LDAP Dynamic Server, and IPv6 Complete “meat-and-potatoes” information on system/network administration, now including GRUB 2, the XFS filesystem, the new Anaconda Installer, the systemd init daemon, firewalld, and NetworkManager Detailed instructions on keeping Linux systems up to date, finding software packages, and working with repositories using yum and rpm Full coverage of the LPI Linux Essentials exam objectives plus extensive coverage of the CompTIA Linux+ exam objectives; Appendix E provides a map from objectives to pages in the book New coverage of find, sort, xz (compression), free, xargs, and the nano editor And much more, including a 500+ term glossary and comprehensive indexes
A Practical Guide to Red Hat Linux
Author: Mark G. Sobell
Publisher: Prentice-Hall PTR
ISBN:
Category : Electronic books
Languages : en
Pages : 1172
Book Description
A new edition of this title is available, ISBN-10: 0137142951 ISBN-13: 9780137142958 “Since I’m in an educational environment, I found the content of Sobell’s book to be right on target and very helpful for anyone managing Linux in the enterprise. His style of writing is very clear. He builds up to the chapter exercises, which I find to be relevant to real-world scenarios a user or admin would encounter. An IT/IS student would find this book a valuable complement to their education. The vast amount of information is extremely well balanced and Sobell manages to present the content without complicated asides and meandering prose. This is a ‘must have’ for anyone managing Linux systems in a networked environment or anyone running a Linux server. I would also highly recommend it to an experienced computer user who is moving to the Linux platform.” -Mary Norbury, IT Director, Barbara Davis Center/University of Colorado at Denver, from a review posted on slashdot.org “I had the chance to use your UNIX books when I when was in college years ago at Cal Poly San Luis Obispo, CA. I have to say that your books are among the best! They’re quality books that teach the theoretical aspects and applications of the operating system.” -Benton Chan, IS Engineer“The book has more than lived up to my expectations from the many reviews I read, even though it targets FC2. I have found something very rare with your book: It doesn’t read like the standard a technical text, it reads more like a story. It’s a pleasure to read and hard to put down. Did I say that?! :-)” -David Hopkins, Business Process Architect“Thanks for your work and for the book you wrote. There are really few books that can help people to become more efficient administrators of different workstations. We hope (in Russia) that you will continue bringing us a new level of understanding of Linux/UNIX systems.” -Anton Petukhov“Mark Sobell has written a book as approachable as it is authoritative.” -Jeffrey Bianchine, Advocate, Author, Journalist“Excellent reference book, well suited for the sysadmin of a Linux cluster, or the owner of a PC contemplating installing a recent stable Linux. Don’t be put off by the daunting heft of the book. Sobell has striven to be as inclusive as possible, in trying to anticipate your system administration needs.” -Wes Boudville, Inventor“A Practical Guide to Red Hat Linux is a brilliant book. Thank you Mark Sobell.” -C. Pozrikidis, University of California at San Diego“This book presents the best overview of the Linux operating system that I have found. . . . It should be very helpful and understandable no matter what the reader’s background is: traditional UNIX user, new Linux devotee, or even Windows user. Each topic is presented in a clear, complete fashion and very few assumptions are made about what the reader knows. . . . The book is extremely useful as a reference, as it contains a 70-page glossary of terms and is very well indexed. It is organized in such a way that the reader can focus on simple tasks without having to wade through more advanced topics until they are ready.” -Cam Marshall, Marshall Information Service LLC, Member of Front Range UNIX Users Group FRUUG, Boulder, Colorado“Conclusively, this is THE book to get if you are a new Linux user and you just got into RH/Fedora world. There’s no other book that discusses so many different topics and in such depth.” -Eugenia Loli-Queru, Editor in Chief, OSNews.comThe Best Just Became BETTER-Again! Completely Revised to Meet All Your Fedora Core and Red Hat Enterprise Linux Needs! Fedora Core and Red Hat Enterprise Linux are advanced operating systems. You need a book that’s just as advanced. This book explains Linux clearly and effectively-with a focus on features you care about, from system security and Internet server setup to Windows file/printer sharing. Best-selling author Mark Sobell starts at the beginning and walks you through everything that matters, from installing Linux using the included DVD to working with GNOME, KDE, Samba, sendmail, Apache, DNS, NIS, and iptables. This edition contains extensive coverage, including full chapters on using Linux from the command line and GUI; even more thorough system administration and security guidance; and up-to-the-minute, step-by-step instructions for setting up networks and every major type of Internet server. Along the way, you learn the “hows”andthe “whys.” Mark Sobell knows every Linux nook and cranny, has taught hundreds of thousands of readers, and never forgets what it’s like to be new to Linux. Whether you are a user, an administrator, or a programmer, this book gives you all you need-and more. Don’t settle for yesterday’s Linux book...get the ONLY book that meets today’s challenges andtomorrow’s! Compared with the other Linux books out there,A Practical Guide to Red Hat Linux , Third Edition,delivers... Complete coverage of Fedora Core and Red Hat Enterprise Linux Deeper coverage of the command line and the GNOME and KDE GUIs, including GUI customization More practical coverage of file sharing with Samba, NFS, and FTP More detailed, usable coverage of Internet server configuration including Apache, sendmail, NFS, and DNS/BIND More state-of-the-art security techniques, including SELinux (Security Enhanced Linux), ACLs (Access Control Lists), firewall setup using the Red Hat GUI and using iptables, and a full chapter on OpenSSH More and better coverage of “meat-and-potatoes” system/network administration tasks A more practical introduction to writing bash shell scripts Complete instructions on how to keep your Linux system up-to-date using yum And much more...including a 500+ term glossary and a comprehensive index to help you find what you need fast! Includes DVD! Get the full version of Red Hat’s Fedora Core 5 release!
Publisher: Prentice-Hall PTR
ISBN:
Category : Electronic books
Languages : en
Pages : 1172
Book Description
A new edition of this title is available, ISBN-10: 0137142951 ISBN-13: 9780137142958 “Since I’m in an educational environment, I found the content of Sobell’s book to be right on target and very helpful for anyone managing Linux in the enterprise. His style of writing is very clear. He builds up to the chapter exercises, which I find to be relevant to real-world scenarios a user or admin would encounter. An IT/IS student would find this book a valuable complement to their education. The vast amount of information is extremely well balanced and Sobell manages to present the content without complicated asides and meandering prose. This is a ‘must have’ for anyone managing Linux systems in a networked environment or anyone running a Linux server. I would also highly recommend it to an experienced computer user who is moving to the Linux platform.” -Mary Norbury, IT Director, Barbara Davis Center/University of Colorado at Denver, from a review posted on slashdot.org “I had the chance to use your UNIX books when I when was in college years ago at Cal Poly San Luis Obispo, CA. I have to say that your books are among the best! They’re quality books that teach the theoretical aspects and applications of the operating system.” -Benton Chan, IS Engineer“The book has more than lived up to my expectations from the many reviews I read, even though it targets FC2. I have found something very rare with your book: It doesn’t read like the standard a technical text, it reads more like a story. It’s a pleasure to read and hard to put down. Did I say that?! :-)” -David Hopkins, Business Process Architect“Thanks for your work and for the book you wrote. There are really few books that can help people to become more efficient administrators of different workstations. We hope (in Russia) that you will continue bringing us a new level of understanding of Linux/UNIX systems.” -Anton Petukhov“Mark Sobell has written a book as approachable as it is authoritative.” -Jeffrey Bianchine, Advocate, Author, Journalist“Excellent reference book, well suited for the sysadmin of a Linux cluster, or the owner of a PC contemplating installing a recent stable Linux. Don’t be put off by the daunting heft of the book. Sobell has striven to be as inclusive as possible, in trying to anticipate your system administration needs.” -Wes Boudville, Inventor“A Practical Guide to Red Hat Linux is a brilliant book. Thank you Mark Sobell.” -C. Pozrikidis, University of California at San Diego“This book presents the best overview of the Linux operating system that I have found. . . . It should be very helpful and understandable no matter what the reader’s background is: traditional UNIX user, new Linux devotee, or even Windows user. Each topic is presented in a clear, complete fashion and very few assumptions are made about what the reader knows. . . . The book is extremely useful as a reference, as it contains a 70-page glossary of terms and is very well indexed. It is organized in such a way that the reader can focus on simple tasks without having to wade through more advanced topics until they are ready.” -Cam Marshall, Marshall Information Service LLC, Member of Front Range UNIX Users Group FRUUG, Boulder, Colorado“Conclusively, this is THE book to get if you are a new Linux user and you just got into RH/Fedora world. There’s no other book that discusses so many different topics and in such depth.” -Eugenia Loli-Queru, Editor in Chief, OSNews.comThe Best Just Became BETTER-Again! Completely Revised to Meet All Your Fedora Core and Red Hat Enterprise Linux Needs! Fedora Core and Red Hat Enterprise Linux are advanced operating systems. You need a book that’s just as advanced. This book explains Linux clearly and effectively-with a focus on features you care about, from system security and Internet server setup to Windows file/printer sharing. Best-selling author Mark Sobell starts at the beginning and walks you through everything that matters, from installing Linux using the included DVD to working with GNOME, KDE, Samba, sendmail, Apache, DNS, NIS, and iptables. This edition contains extensive coverage, including full chapters on using Linux from the command line and GUI; even more thorough system administration and security guidance; and up-to-the-minute, step-by-step instructions for setting up networks and every major type of Internet server. Along the way, you learn the “hows”andthe “whys.” Mark Sobell knows every Linux nook and cranny, has taught hundreds of thousands of readers, and never forgets what it’s like to be new to Linux. Whether you are a user, an administrator, or a programmer, this book gives you all you need-and more. Don’t settle for yesterday’s Linux book...get the ONLY book that meets today’s challenges andtomorrow’s! Compared with the other Linux books out there,A Practical Guide to Red Hat Linux , Third Edition,delivers... Complete coverage of Fedora Core and Red Hat Enterprise Linux Deeper coverage of the command line and the GNOME and KDE GUIs, including GUI customization More practical coverage of file sharing with Samba, NFS, and FTP More detailed, usable coverage of Internet server configuration including Apache, sendmail, NFS, and DNS/BIND More state-of-the-art security techniques, including SELinux (Security Enhanced Linux), ACLs (Access Control Lists), firewall setup using the Red Hat GUI and using iptables, and a full chapter on OpenSSH More and better coverage of “meat-and-potatoes” system/network administration tasks A more practical introduction to writing bash shell scripts Complete instructions on how to keep your Linux system up-to-date using yum And much more...including a 500+ term glossary and a comprehensive index to help you find what you need fast! Includes DVD! Get the full version of Red Hat’s Fedora Core 5 release!
Fedora Linux
Author: Chris Tyler
Publisher: "O'Reilly Media, Inc."
ISBN: 0596555067
Category : Computers
Languages : en
Pages : 658
Book Description
"Neither a "Starting Linux" book nor a dry reference manual, this book has a lot to offer to those coming to Fedora from other operating systems or distros." -- Behdad Esfahbod, Fedora developer This book will get you up to speed quickly on Fedora Linux, a securely-designed Linux distribution that includes a massive selection of free software packages. Fedora is hardened out-of-the-box, it's easy to install, and extensively customizable - and this book shows you how to make Fedora work for you. Fedora Linux: A Complete Guide to Red Hat's Community Distribution will take you deep into essential Fedora tasks and activities by presenting them in easy-to-learn modules. From installation and configuration through advanced topics such as administration, security, and virtualization, this book captures the important details of how Fedora Core works--without the fluff that bogs down other books and help/how-to web sites. Instead, you can learn from a concise task-based approach to using Fedora as both a desktop and server operating system. In this book, you'll learn how to: Install Fedora and perform basic administrative tasks Configure the KDE and GNOME desktops Get power management working on your notebook computer and hop on a wired or wireless network Find, install, and update any of the thousands of packages available for Fedora Perform backups, increase reliability with RAID, and manage your disks with logical volumes Set up a server with file sharing, DNS, DHCP, email, a Web server, and more Work with Fedora's security features including SELinux, PAM, and Access Control Lists (ACLs) Whether you are running the stable version of Fedora Core or bleeding-edge Rawhide releases, this book has something for every level of user. The modular, lab-based approach not only shows you how things work-but also explains why--and provides you with the answers you need to get up and running with Fedora Linux. Chris Tyler is a computer consultant and a professor of computer studies at Seneca College in Toronto, Canada where he teaches courses on Linux and X Window System Administration. He has worked on systems ranging from embedded data converters to Multics mainframes.
Publisher: "O'Reilly Media, Inc."
ISBN: 0596555067
Category : Computers
Languages : en
Pages : 658
Book Description
"Neither a "Starting Linux" book nor a dry reference manual, this book has a lot to offer to those coming to Fedora from other operating systems or distros." -- Behdad Esfahbod, Fedora developer This book will get you up to speed quickly on Fedora Linux, a securely-designed Linux distribution that includes a massive selection of free software packages. Fedora is hardened out-of-the-box, it's easy to install, and extensively customizable - and this book shows you how to make Fedora work for you. Fedora Linux: A Complete Guide to Red Hat's Community Distribution will take you deep into essential Fedora tasks and activities by presenting them in easy-to-learn modules. From installation and configuration through advanced topics such as administration, security, and virtualization, this book captures the important details of how Fedora Core works--without the fluff that bogs down other books and help/how-to web sites. Instead, you can learn from a concise task-based approach to using Fedora as both a desktop and server operating system. In this book, you'll learn how to: Install Fedora and perform basic administrative tasks Configure the KDE and GNOME desktops Get power management working on your notebook computer and hop on a wired or wireless network Find, install, and update any of the thousands of packages available for Fedora Perform backups, increase reliability with RAID, and manage your disks with logical volumes Set up a server with file sharing, DNS, DHCP, email, a Web server, and more Work with Fedora's security features including SELinux, PAM, and Access Control Lists (ACLs) Whether you are running the stable version of Fedora Core or bleeding-edge Rawhide releases, this book has something for every level of user. The modular, lab-based approach not only shows you how things work-but also explains why--and provides you with the answers you need to get up and running with Fedora Linux. Chris Tyler is a computer consultant and a professor of computer studies at Seneca College in Toronto, Canada where he teaches courses on Linux and X Window System Administration. He has worked on systems ranging from embedded data converters to Multics mainframes.
Fedora 11 Security-Enhanced Linux User Guide
Author: Fedora Documentation Project
Publisher: Fultus Corporation
ISBN: 1596821450
Category :
Languages : en
Pages : 90
Book Description
The Fedora Security-Enhanced Linux User Guide provides an introduction to fundamental concepts and practical applications of SELinux (Security-Enhanced Linux).
Publisher: Fultus Corporation
ISBN: 1596821450
Category :
Languages : en
Pages : 90
Book Description
The Fedora Security-Enhanced Linux User Guide provides an introduction to fundamental concepts and practical applications of SELinux (Security-Enhanced Linux).