DOCSLIB.ORG

We've Got Bugs, P

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
We've Got Bugs, P Billix | Rails | Gumstix | Zenoss | Wiimote | BUG | Quantum GIS LINUX JOURNAL ™ REVIEWED: Neuros OSD and COOL PROJECTS Cradlepoint PHS300 Since 1994: The Original Magazine of the Linux Community AUGUST 2008 | ISSUE 172 WE’VE GOT Billix | Rails Gumstix Zenoss Wiimote BUG Quantum GIS MythTV BUGs AND OTHER COOL PROJECTS TOO E-Ink + Gumstix Perfect Billix Match? Kiss Install CDs Goodbye AUGUST How To: 16 Terabytes in One Case www.linuxjournal.com 2008 $5.99US $5.99CAN 08 ISSUE Learn to Fake a Wiimote Linux 172 + UFO Landing Video Interface HOW-TO 0 09281 03102 4 AUGUST 2008 CONTENTS Issue 172 FEATURES 48 THE BUG: A LINUX-BASED HARDWARE MASHUP With the BUG, you get a GPS, camera, motion detector and accelerometer all in one hand-sized unit, and it’s completely programmable. Mike Diehl 52 BILLIX: A SYSADMIN’S SWISS ARMY KNIFE Build a toolbox in your pocket by installing Billix on that spare USB key. Bill Childers 56 FUN WITH E-INK, X AND GUMSTIX Find out how to make standard X11 apps run on an E-Ink display using a Gumstix embedded device. Jaya Kumar 62 ONE BOX. SIXTEEN TRILLION BYTES. Build your own 16 Terabyte file server with hardware RAID. Eric Pearce ON THE COVER • Neuros OSD, p. 44 • Cradlepoint PHS300, p. 42 • We've got BUGs, p. 48 • E-Ink + Gumstix—Perfect Match?, p. 56 • How To: 16 Terabytes in One Case, p. 62 • Billix—Kiss Install CDs Goodbye, p. 52 • Learn to Fake a UFO Landing Video, p. 80 • Wiimote Linux Interface How-To, p. 32 2 | august 2008 www.linuxjournal.com lj026:lj018.qxd 5/14/2008 4:00 PM Page 1 The Straight Talk People SM SINCE 1991 ABERDEEN HOW MUCH STORAGE DO YOU NEED? • Aberdeen Stirling Storage Servers deliver vast and flexible expansion capabilities in a single storage server without additional controllers • Expand up to 328TB with Aberdeen DAS and JBOD units without any performance degradation • SAS and SATA support concurrently in same server (separate arrays) • Four Gigabit Ethernet Ports allow network teaming • Dual Quad-Core Intel® Xeon® Processors with up to 1600 MHz Front Side Bus • iSCSI support with available NAS versions • Multiple available expansion slots The Aberdeen line of expandable storage servers provide a full spectrum of scalable, maximum capacity storage solutions for data backup, media sharing storage, content creation, streaming media, nearline storage, and post-production needs. These servers feature high performance Quad-Core Intel Xeon processors and enterprise-level SATA drives providing over 800MB/s internal transfer rates, while being robust enough to provide up to 328TB of scalable storage without added controllers. STORAGE SERVER JBOD STORAGE XDAS STORAGE EXPAND + + = UP TO 328TB Expandable Storage Solution • Dual Quad-Core Intel® Xeon® processors with up to 1600MHz FSB • Up to 64GB 800 ECC FBDIMM Memory • Supports both SAS & SATA Storage Drives • Internal OS Hard Drives Included Add up to 128TB Add up to 160TB • RAID 0, 1, 5, 6, 10 Capable • Daisy-Chain JBOD Boxes • Daisy-Chain DAS Unit • Redundant Power Supply • Storage Server RAID Array + JBOD Expansion Boxes • SAS & iSCSI Expansion Ports • Redundant Power Supply • 2U, 3U, 4U Units Available • Windows & Linux NAS Available • SATA & SAS Drive Support • RAID 0, 1, 5, 6, 10 Capable • 5-Year Warranty • 5-Year Warranty • Redundant Power Supply $ $ • SATA & SAS Drive Support 3U 12TB Starting at 7,995 16TB JBOD 7,995 • 5-Year Warranty $ 4U 16TB Starting at 9,995 $ 16TB DAS 12,995 $ 5U 24TB Starting at 12,995 $ 16TB JBOD 9,495 $ 6U 32TB Starting at 17,995 $ 8U 40TB Starting at 20,995 Intel, Intel Logo, Intel Inside, Intel Inside Logo, Pentium, Xeon, and Xeon Inside are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. For terms and conditions, please see www.aberdeeninc.com/abpoly/abterms.htm. lj026 888-297-7409 www.aberdeeninc.com/lj026 AUGUST 2008 CONTENTS Issue 172 COLUMNS INDEPTH 8 SHAWN POWER’S 68 LINUX FOR THE LONG HAUL CURRENT_ISSUE.TAR.GZ Checking in with the Greater Linux: the Root of All Coolness Houlton Christian Academy’s switch to Linux. 22 REUVEN M. LERNER’S Michael Surran AT THE FORGE Profiling Rails Applications 72 ZENOSS AND THE ART OF ENTERPRISE MONITORING 26 MARCEL GAGNÉ’S Stay on top of your network with COOKING WITH LINUX an enterprise-class monitoring tool. Cool as Ice! Jeramiah Bowling 80 HOW TO FAKE A UFO LANDING Use Voodoo to solve video match-moving problems. Dan Sawyer 56 E-INK’S E-PAPER DISPLAY 30 DAVE TAYLOR’S WORK THE SHELL Next Month Movie Trivia and Fun with Random Numbers THE UNDERDOG ISSUE 32 KYLE RANKIN’S HACK AND / Everybody loves an underdog. Wiimote Control Some people even consider Linux to be an underdog (we 96 DOC SEARLS’ prefer “Undiscovered EOF Champion”). Next month, we Mixing Up a Generative Mobile Feast focus on the little guy. Sure you 86 QUANTUM GIS: THE know all about Ubuntu, but REVIEWS OPEN-SOURCE GEOGRAPHIC what about Gentoo? Granted, INFORMATION SYSTEM Apache is the king of the Web 42 HOT AND BOTHERED Hooked on Google Earth? Check server world, but what about AT STARBUCKS out Quantum GIS to satisfy your the alternatives? (No, not IIS.) geographic cravings. Heck, even Inkscape has some Dan Sawyer less-popular alternatives like James Gray Xara Xtreme. So, whether 44 THE NEUROS OSD CONNECTS you’re looking for a command- YOUR TV TO THE INTERNET 92 BUILD A MYTHTV BOX line e-mail client, or you want Marco Fioretti WITHOUT BREAKING THE BANK an alternative to BIND, next A quick-and-easy guide to the month will be an issue you world of MythTV. don’t want to miss. IN EVERY ISSUE P. Surdas Mohit 12 LETTERS 16 UPFRONT USPS LINUX JOURNAL (ISSN 1075-3583) (USPS 12854) is published monthly by Belltown Media, Inc., 2211 Norfolk, Ste 514, Houston, 36 NEW PRODUCTS TX 77098 USA. Periodicals postage paid at Houston, Texas and at additional mailing offices. Cover price is $5.99 US. Sub scrip tion rate 38 NEW PROJECTS is $29.50/year in the United States, $39.50 in Canada and Mexico, $69.50 elsewhere. POSTMASTER: Please send address changes to Linux Journal, PO Box 980985, Houston, TX 77098. Subscriptions start with the next issue. Canada Post: Publications Mail Agreement 81 ADVERTISERS INDEX #41549519. Canada Returns to be sent to Bleuchip International, P.O. Box 25542, London, ON N6C 6B2 4 | august 2008 www.linuxjournal.com Executive Editor Jill Franklin [email protected] Associate Editor Shawn Powers [email protected] Senior Editor Doc Searls [email protected] Art Director Garrick Antikajian [email protected] Products Editor James Gray [email protected] Editor Emeritus Don Marti [email protected] Technical Editor Michael Baxter [email protected] Senior Columnist Reuven Lerner [email protected] Chef Français Marcel Gagné [email protected] Security Editor Mick Bauer [email protected] Contributing Editors David A. Bandel • Ibrahim Haddad • Robert Love • Zack Brown • Dave Phillips • Marco Fioretti Ludovic Marcotte • Paul Barry • Paul McKenney • Dave Taylor • Dirk Elmendorf Proofreader Geri Gale Publisher Carlie Fairchild [email protected] General Manager Rebecca Cassity [email protected] Director of Sales Laura Whiteman [email protected] Regional Sales Manager Joseph Krack [email protected] Regional Sales Manager Bruce Stevens [email protected] Circulation Director Mark Irgang [email protected] System Administrator Mitch Frazier [email protected] Webmistress Katherine Druckman [email protected] Accountant Candy Beauchamp [email protected] Linux Journal is published by, and is a registered trade name of, Belltown Media, Inc. PO Box 980985, Houston, TX 77098 USA Reader Advisory Panel Brad Abram Baillio • Nick Baronian • Hari Boukis • Caleb S. Cullen • Steve Case Kalyana Krishna Chadalavada • Keir Davis • Adam M. Dutko • Michael Eager • Nick Faltys • Ken Firestone Dennis Franklin Frey • Victor Gregorio • Kristian Erik • Hermansen • Philip Jacob • Jay Kruizenga David A. Lane • Steve Marquez • Dave McAllister • Craig Oda • Rob Orsini • Jeffrey D. Parent Wayne D. Powel • Shawn Powers • Mike Roberts • Draciron Smith • Chris D. Stark • Patrick Swartz Editorial Advisory Board Daniel Frye, Director, IBM Linux Technology Center Jon “maddog” Hall, President, Linux International Lawrence Lessig, Professor of Law, Stanford University Ransom Love, Director of Strategic Relationships, Family and Church History Department, Church of Jesus Christ of Latter-day Saints Sam Ockman Bruce Perens Bdale Garbee, Linux CTO, HP Danese Cooper, Open Source Diva, Intel Corporation Advertising E-MAIL: [email protected] URL: www.linuxjournal.com/advertising PHONE: +1 713-344-1956 ext. 2 Subscriptions E-MAIL: [email protected] URL: www.linuxjournal.com/subscribe PHONE: +1 713-589-3503 FAX: +1 713-589-2677 TOLL-FREE: 1-888-66-LINUX MAIL: PO Box 980985, Houston, TX 77098 USA Please allow 4–6 weeks for processing address changes and orders PRINTED IN USA LINUX is a registered trademark of Linus Torvalds. Current_Issue.tar.gz Linux: the Root of All Coolness SHAWN POWERS f you are a regular visitor to the LinuxJournal.com As someone who has implemented Linux in Web site, you might recognize me as the schools before, I always find it cool when Igoofy video Gadget Guy, or possibly as the schools take the plunge. Web author with a penchant for controversy. Perhaps you are a programmer, and code all While the latter is largely coincidental, the former day, and code all night. Reuven M. Lerner shows is just the way I am (my wife can grudgingly us how to make sure our Rails are optimized, attest to that). This month marks the first issue and Dave Taylor helps us extract really important that I’m the Associate Editor of the print maga- data—from the Internet Movie Database.
Load more

Recommended publications
  • Linux Journal | August 2014 | Issue
    ™ SPONSORED BY Since 1994: The Original Magazine of the Linux Community AUGUST 2014 | ISSUE 244 | www.linuxjournal.com PROGRAMMING HOW-TO: + OpenGL Build, Develop Programming and Validate Creation of RPMs USE VAGRANT Sysadmin Cloud for an Easier Troubleshooting Development with dhclient Workflow Tips for PROMISE Becoming a THEORY Web Developer An In-Depth A Rundown Look of Linux for Recreation V WATCH: ISSUE OVERVIEW LJ244-Aug2014.indd 1 7/23/14 6:56 PM Get the automation platform that makes it easy to: Build Infrastructure Deploy Applications Manage In your data center or in the cloud. getchef.com LJ244-Aug2014.indd 2 7/23/14 11:41 AM Are you tiredtiered of of dealing dealing with with proprietary proprietary storage? storage? ® 9%2Ä4MHÆDCÄ2SNQ@FD ZFS Unified Storage zStax StorCore from Silicon - From modest data storage needs to a multi-tiered production storage environment, zStax StorCore zStax StorCore 64 zStax StorCore 104 The zStax StorCore 64 utilizes the latest in The zStax StorCore 104 is the flagship of the dual-processor Intel® Xeon® platforms and fast zStax product line. With its highly available SAS SSDs for caching. The zStax StorCore 64 configurations and scalable architecture, the platform is perfect for: zStax StorCore 104 platform is ideal for: VPDOOPHGLXPRIILFHILOHVHUYHUV EDFNHQGVWRUDJHIRUYLUWXDOL]HGHQYLURQPHQWV VWUHDPLQJYLGHRKRVWV PLVVLRQFULWLFDOGDWDEDVHDSSOLFDWLRQV VPDOOGDWDDUFKLYHV DOZD\VDYDLODEOHDFWLYHDUFKLYHV TalkTalk with with an anexpert expert today: today: 866-352-1173 866-352-1173 - http://www.siliconmechanics.com/zstax LJ244-Aug2014.indd 3 7/23/14 11:41 AM AUGUST 2014 CONTENTS ISSUE 244 PROGRAMMING FEATURES 64 Vagrant 74 An Introduction to How to use Vagrant to create a OpenGL Programming much easier development workflow.
    [Show full text]
  • The Linux Kernel Module Programming Guide
    The Linux Kernel Module Programming Guide Peter Jay Salzman Michael Burian Ori Pomerantz Copyright © 2001 Peter Jay Salzman 2007−05−18 ver 2.6.4 The Linux Kernel Module Programming Guide is a free book; you may reproduce and/or modify it under the terms of the Open Software License, version 1.1. You can obtain a copy of this license at http://opensource.org/licenses/osl.php. This book is distributed in the hope it will be useful, but without any warranty, without even the implied warranty of merchantability or fitness for a particular purpose. The author encourages wide distribution of this book for personal or commercial use, provided the above copyright notice remains intact and the method adheres to the provisions of the Open Software License. In summary, you may copy and distribute this book free of charge or for a profit. No explicit permission is required from the author for reproduction of this book in any medium, physical or electronic. Derivative works and translations of this document must be placed under the Open Software License, and the original copyright notice must remain intact. If you have contributed new material to this book, you must make the material and source code available for your revisions. Please make revisions and updates available directly to the document maintainer, Peter Jay Salzman <[email protected]>. This will allow for the merging of updates and provide consistent revisions to the Linux community. If you publish or distribute this book commercially, donations, royalties, and/or printed copies are greatly appreciated by the author and the Linux Documentation Project (LDP).
    [Show full text]
  • Withlinux Linux
    LINUX JOURNAL MISTERHOUSE | F-SPOT | AJAX | KAFFEINE | ROBOTS | VIDEO CODING An Excerpt from Apress’ Beginning DIGITAL LIFESTYLE DIGITAL Ubuntu Linux: From Novice to Professional ™ Since 1994: The Original Magazine of the Linux Community OCTOBER 2006 | ISSUE 150 | www.linuxjournal.com MisterHouse | AL F-Spot DIGIT | Ajax | Kaffeine LIFESTYLE | ux Robots with LinuxLin | Video Coding Video >> F-Spot Tips >> Working with Digital Images >> H.264 Video Encoding for Low-Bitrate Video | Ubuntu >> Linux-Based Do-It-Yourself Robots >> Share Music with Kaffiene, Amarok, Last.fm and more >> Digital Convenience at Home with Open-Source Technology O >> Maddog’s Travel Gadgets C T O B E >> Using MisterHouse for Home Automation R 2006 AN I S S PUBLICATION U E USA $5.00 150 + Doc Searls Breaks the Marketing Matrix CAN $6.50 U|xaHBEIGy03102ozXv,:! Today, Carlo restored a failed router in Miami, rebooted a Linux server in Tokyo, and remembered someone’s very special day. With Avocent centralized management solutions, the world can finally revolve around you. Avocent puts secure access and control right at your fingertips – from multi-platform servers to network routers, your local data center to branch offices. Our “agentless” out-of-band solution manages your physical and virtual connections (KVM, serial, integrated power, embedded service processors, IPMI and SoL) from a single console. You have guaranteed access to your critical hardware even when in-band methods fail. Let others roll crash carts to troubleshoot – with Avocent, trouble becomes a thing of the past, so you can focus on the present. Visit www.avocent.com/special to download Data Center Control: Guidelines to Achieve Centralized Management white paper.
    [Show full text]
  • Mobile Linux Mojo the XYZ of Mobile Tlas PDQ!
    Mobile Linux Mojo The XYZ of Mobile TLAs PDQ! Bill Weinberg January 29, 2009 Copyright © 2009 Bill Weinberg, LinuxPundit,com Alphabet Soup . Too many TLAs – Non-profits – Commercial Entities – Tool Kits – Standards . ORG Typology – Standards Bodies – Implementation Consortia – Hybrids MIPS and Open Source Copyright © 2008 Bill Weinberg, LinuxPundit,com Page: 2 The Big Four . Ahem, Now Three . OHA - Open Handset Alliance – Founded by Google, together with Sprint, TIM, Motorola, et al. – Performs/support development of Android platform . LiMo Foundation – Orig. Motorola, NEC, NTT, Panasonic, Samsung, Vodaphone – Goal of created shared, open middleware mobile OS . LiPS - Linux Phone Standards Forum – Founded by France Telecom/Orange, ACCESS et al. – Worked to create standards for Linux-based telephony m/w – Merged with LiMo Foundation in June 2008 . Moblin - Mobile Linux – Founded by Intel, (initially) targeting Intel Atom CPUs – Platform / distribution to support MIDs, Nettops, UMPC MIPS and Open Source Copyright © 2008 Bill Weinberg, LinuxPundit,com Page: 3 LiMo and Android . Android is a complete mobile stack LiMo is a platform for enabling that includes applications applications and services Android, as Free Software, should LiMo membership represents appeal to Tier II/III OEMs and Tier I OEMs, ISVs and operators ODMs, who lack resources LiMo aims to leave Android strives to be “room for differentiation” a stylish phone stack LiMo presents Linux-native APIs Android is based on Dalvik, a Java work-alike The LiMo SDK has/will have compliance test suites OHA has a “non Fragmentation” pledge MIPS and Open Source Copyright © 2008 Bill Weinberg, LinuxPundit,com Page: 4 And a whole lot more .
    [Show full text]
  • THE Advancedlinux
    THE advanced linux POCKETBOOK This Pocketbook is for Advanced users of Linux. If you find the information over your head, we recommend that Editorial you look at the 2003 Edition Linux Pocketbook, which can be found on last month’s cover CD. If you missed out, Hello and welcome to the 2003 Edition of the Advanced Linux Pocketbook. Last month we gave you the updated Linux Pocketbook, so by now you should be an old then don’t worry... we can help you! Call 136 116 or visit hand when it comes to the basics; installing software, configuring settings, and www.magshop.com.au to order your back issue for connecting to other machines. You should be at least savvy when it comes to the command line, even if you can’t do much more than manipulate files. Grep should $9.80 + $6.50 for postage within Australia. be in your bag of tricks, and your fingers should gravitate to the ‘l’ and ‘s’ keys automatically when you sit idle at the console. If you’re keen to learn how to make the most out of Linux, you’re in the right place. While the first book dealt with how May the source be with you! to get Linux up and running on your system, this Advanced Pocketbook develops your skills from there. Remember back to when you installed your first Linux distribution and looked up to the geeks that seemed to know so much more about this obscure yet powerful operating system. They dazzled you with talk of Python scripts, pages built using PHPNuke, and staying up late at night, fuelled by litres of Jolt cola, to recompile their kernels.
    [Show full text]
  • Version 7.8-Systemd
    Linux From Scratch Version 7.8-systemd Created by Gerard Beekmans Edited by Douglas R. Reno Linux From Scratch: Version 7.8-systemd by Created by Gerard Beekmans and Edited by Douglas R. Reno Copyright © 1999-2015 Gerard Beekmans Copyright © 1999-2015, Gerard Beekmans All rights reserved. This book is licensed under a Creative Commons License. Computer instructions may be extracted from the book under the MIT License. Linux® is a registered trademark of Linus Torvalds. Linux From Scratch - Version 7.8-systemd Table of Contents Preface .......................................................................................................................................................................... vii i. Foreword ............................................................................................................................................................. vii ii. Audience ............................................................................................................................................................ vii iii. LFS Target Architectures ................................................................................................................................ viii iv. LFS and Standards ............................................................................................................................................ ix v. Rationale for Packages in the Book .................................................................................................................... x vi. Prerequisites
    [Show full text]
  • GNU Guix Cookbook Tutorials and Examples for Using the GNU Guix Functional Package Manager
    GNU Guix Cookbook Tutorials and examples for using the GNU Guix Functional Package Manager The GNU Guix Developers Copyright c 2019 Ricardo Wurmus Copyright c 2019 Efraim Flashner Copyright c 2019 Pierre Neidhardt Copyright c 2020 Oleg Pykhalov Copyright c 2020 Matthew Brooks Copyright c 2020 Marcin Karpezo Copyright c 2020 Brice Waegeneire Copyright c 2020 Andr´eBatista Copyright c 2020 Christine Lemmer-Webber Copyright c 2021 Joshua Branson Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled \GNU Free Documentation License". i Table of Contents GNU Guix Cookbook ::::::::::::::::::::::::::::::: 1 1 Scheme tutorials ::::::::::::::::::::::::::::::::: 2 1.1 A Scheme Crash Course :::::::::::::::::::::::::::::::::::::::: 2 2 Packaging :::::::::::::::::::::::::::::::::::::::: 5 2.1 Packaging Tutorial:::::::::::::::::::::::::::::::::::::::::::::: 5 2.1.1 A \Hello World" package :::::::::::::::::::::::::::::::::: 5 2.1.2 Setup:::::::::::::::::::::::::::::::::::::::::::::::::::::: 8 2.1.2.1 Local file ::::::::::::::::::::::::::::::::::::::::::::: 8 2.1.2.2 `GUIX_PACKAGE_PATH' ::::::::::::::::::::::::::::::::: 9 2.1.2.3 Guix channels ::::::::::::::::::::::::::::::::::::::: 10 2.1.2.4 Direct checkout hacking:::::::::::::::::::::::::::::: 10 2.1.3 Extended example ::::::::::::::::::::::::::::::::::::::::
    [Show full text]
  • Linux for Zseries: Device Drivers and Installation Commands (March 4, 2002) Summary of Changes
    Linux for zSeries Device Drivers and Installation Commands (March 4, 2002) Linux Kernel 2.4 LNUX-1103-07 Linux for zSeries Device Drivers and Installation Commands (March 4, 2002) Linux Kernel 2.4 LNUX-1103-07 Note Before using this document, be sure to read the information in “Notices” on page 207. Eighth Edition – (March 2002) This edition applies to the Linux for zSeries kernel 2.4 patch (made in September 2001) and to all subsequent releases and modifications until otherwise indicated in new editions. © Copyright International Business Machines Corporation 2000, 2002. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Summary of changes .........v Chapter 5. Linux for zSeries Console || Edition 8 changes.............v device drivers............27 Edition 7 changes.............v Console features .............28 Edition 6 changes ............vi Console kernel parameter syntax .......28 Edition 5 changes ............vi Console kernel examples ..........28 Edition 4 changes ............vi Usingtheconsole............28 Edition 3 changes ............vii Console – Use of VInput ..........30 Edition 2 changes ............vii Console limitations ............31 About this book ...........ix Chapter 6. Channel attached tape How this book is organized .........ix device driver ............33 Who should read this book .........ix Tapedriverfeatures...........33 Assumptions..............ix Tape character device front-end........34 Tape block
    [Show full text]
  • Linux Kernel and Driver Development Training Slides
    Linux Kernel and Driver Development Training Linux Kernel and Driver Development Training © Copyright 2004-2021, Bootlin. Creative Commons BY-SA 3.0 license. Latest update: October 9, 2021. Document updates and sources: https://bootlin.com/doc/training/linux-kernel Corrections, suggestions, contributions and translations are welcome! embedded Linux and kernel engineering Send them to [email protected] - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 1/470 Rights to copy © Copyright 2004-2021, Bootlin License: Creative Commons Attribution - Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0/legalcode You are free: I to copy, distribute, display, and perform the work I to make derivative works I to make commercial use of the work Under the following conditions: I Attribution. You must give the original author credit. I Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. I For any reuse or distribution, you must make clear to others the license terms of this work. I Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. Document sources: https://github.com/bootlin/training-materials/ - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 2/470 Hyperlinks in the document There are many hyperlinks in the document I Regular hyperlinks: https://kernel.org/ I Kernel documentation links: dev-tools/kasan I Links to kernel source files and directories: drivers/input/ include/linux/fb.h I Links to the declarations, definitions and instances of kernel symbols (functions, types, data, structures): platform_get_irq() GFP_KERNEL struct file_operations - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 3/470 Company at a glance I Engineering company created in 2004, named ”Free Electrons” until Feb.
    [Show full text]
  • El Núcleo Linux
    El núcleo Linux Josep Jorba Esteve PID_00174426 GNUFDL • PID_00174426 El núcleo Linux Índice Introducción ................................................... ....... 5 Objetivos ................................................... ............ 6 1. El núcleo del sistema GNU/Linux .............................. 7 2. Personalización o actualización del núcleo................... 15 3. Proceso de configuración y compilación ...................... 18 3.1. Compilación antigua de la rama 2.4.x del núcleo . 20 3.2. Migración de 2.4 a la rama 2.6.x del núcleo. 25 3.3. Compilación de la rama 2.6.x del núcleo . 27 3.4. Compilación del núcleo en Debian (Debian Way)............. 30 4. Aplicación de parches al núcleo ................................ 35 5. Módulos del núcleo ............................................... 38 5.1. DKMS: módulos recompilados dinámicamente . 41 6. Virtualización en el núcleo ..................................... 44 6.1. KVM ............................................ .............. 46 7. Futuro del núcleo y alternativas ............................... 53 8. Taller de configuración del núcleo a las necesidades del usuario................................................... ...... 58 8.1. Configuración del núcleo en Debian . 58 8.2. Configuración del núcleo en Fedora/Red Hat . 61 8.3. Configuración de un núcleo genérico . 63 Resumen ................................................... ............ 66 Actividades ................................................... ......... 67 Bibliografía ..................................................
    [Show full text]
  • Linux Journal | System Administration Special Issue | 2009
    Cfengine VNC Billix Zenoss Thin Clients MySQL Heartbeat ™ SPECIAL SYSTEM ADMINISTRATION ISSUE Since 1994: The Original Magazine of the Linux Community 2009 | Supplement Issue | www.linuxjournal.com MAY THE SOURCE BE WITH YOU Billix: the Sysadmin Toolkit for Your Pocket Authentication with Fedora Directory Server Remote Desktop Administration with OpenSSH or VNC Manage Configuration Files with Cfengine Setting Up a PXE Boot Server Network Monitoring with Zenoss SPECIAL SYSTEM CONTENTS ADMINISTRATION ISSUE 5 SPECIAL_ISSUE.TAR.GZ 26 PXE MAGIC: FLEXIBLE System Administration: Instant NETWORK BOOTING WITH Gratification Edition MENUS Shawn Powers What if you never had to carry around an install or rescue CD 6 CFENGINE FOR again? Set up a PXE boot server ENTERPRISE with menus and put them all on CONFIGURATION the network. MANAGEMENT Kyle Rankin How to use cfengine to manage configuration files across large 30 CREATING VPNS WITH 17 ZENOSS numbers of machines. IPSEC AND SSL/TLS Scott Lackey The two most common and current techniques for creating VPNs. 10 SECURED REMOTE Rami Rosen Linux Journal DESKTOP/APPLICATION SESSIONS 34 MYSQL 5 STORED 2009 Lineup Different ways to control a Linux PROCEDURES: RELIC OR system over a network. REVOLUTION? JANUARY Mick Bauer Do MySQL 5 Stored Procedures Security produce tiers of joy or sorrow? FEBRUARY Guy Harrison Web Development 38 GETTING STARTED WITH MARCH Desktop HEARTBEAT Availability in a heartbeat. APRIL Daniel Bartholomew System Administration 14 BILLIX: A SYSADMIN’S MAY SWISS ARMY KNIFE 42 FEDORA DIRECTORY Cool Projects SERVER: THE EVOLUTION Build a toolbox in your pocket by JUNE installing Billix on that spare USB key.
    [Show full text]
  • LINUX JOURNAL (ISSN 1075-3583) Is Published Monthly by Belltown Media, Inc., 2121 Sage Road, Ste
    EPUB, Kindle,SUBSCRIBERS Android, iPhone & iPad editions SQLAlchemy | ConVirt | Fabric | Azure | RaspberryFREE PiTO ™ Make Your Android Device Play with Your Linux Box A Look at SQLAlchemy’s Since 1994: The Original Magazine of the Linux Community Features SYSTEM FEBRUARY 2013 | ISSUE 226 | www.linuxjournal.com ADMINISTRATION Manage Your HOW TO: Virtual Handling Deployment R Packages with ConVirt Spin up Linux VMs on Azure Use Fabric for Sysadmin Tasks on Remote Machines PLUS: Use a Raspberry Pi as a Colocated Server Cover226-Final-banner.indd 1 1/24/13 11:08 AM LJ226-Feb013-bu.indd 2 1/23/13 1:06 PM visit us at www.siliconmechanics.com or call us toll free at 888-352-1173 RACKMOUNT SERVERS STORAGE SOLUTIONS HIGH-PERFORMANCE COMPUTING ““ Just Just becausebecause it’sit’s badass,badass, doesn’tdoesn’t meanmean it’sit’s aa game.”game.” Pierre, our new Operations Manager, is always looking for the right tools to get more work done in less time. That’s why he respects NVIDIA ® Tesla ® GPUs: he sees customers return again and again for more server products featuring hybrid CPU / GPU computing, like the Silicon Mechanics Hyperform HPCg R2504.v3. When you partner with We start with your choice of two state-of- Silicon Mechanics, you the-art processors, for fast, reliable, energy- get more than stellar efficient processing.T hen we add four NVIDIA ® technology - you get an Tesla® GPUs, to dramatically accelerate parallel Expert like Pierre. processing for applications like ray tracing and finite element analysis. Load it up with DDR3 memory, and you have herculean capabilities and an 80 PLUS Platinum Certified power supply, all in the space of a 4U server.
    [Show full text]