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Convert Nero image (.nrg) to ISO9660 (.iso)

Posted by DevOps
In case you need to convert Nero image file .nrg into regular ISO9660 .iso utility nrg2iso might be helpful then. It’s included in the apt repositories of Debian and Ubuntu, so install it execute:
sudo aptitude install nrg2iso
When it’s done, convert file by command:
nrg2iso image.nrg image.iso
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openSUSE 10.3 (useful links)

Posted by DevOps
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2

Update Dell laptop BIOS with Ubuntu

Posted by DevOps
Good news for Dell laptops owners: latest BIOS images can be loaded with Ubuntu, Fedora or CentOS! It was announced at official Direct2Dell blog by Matt Domsch. In a nutshell to get new BIOS installed while you're running Ubuntu 7.04 Feisty, 7.10 Gutsy, or Hardy just enable Universe repository in sources.list (System -> Administration -> Software Sources) and run under root (sudo -s):
wget -q -O - http://linux.dell.com/repo/firmware/bootstrap.cgi | bashaptitude install firmware-addon-dellaptitude install $(bootstrap_firmware -a) update_firmware
The first command enables Dell’s Ubuntu repository as well as downloads and installs GPG key for this repository. As you might guess, restart is needed after last command is done (keep fingers crossed)
Please note that detailed instructions on how to update BIOS with Ubuntu (or other Linux distro) and firmware-tools developed by Dell are here:
"We are releasing this project in the hopes of moving the industry towards a more scalable and friendly way to update BIOS and Firmware for systems."
Respect to Dell and it’s Linux engineers!


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Defragmentation in Linux?

Posted by DevOps
Sander Marechal published at LXer interesting observations on file defragmentation that is would be needed in Linux:
"I still wondered how on earth it was possible the 100k+ files in Gentoo’s portage system - updated every time I synchronize the portage tree - didn't fragment my filesystem. Or was my filesystem fragmented and did I not know? Only recently, I found a script that is actually able to put numbers to all this gut-feelings, and the results were quite surprising in my opinion."
Result: to achieve a notable fragmentation level it’s necessary to do utmost. File fragmentation mainly happens in filesystems that contain large files. Pretty interesting.

Full article is here, as well as testing script, also you're welcome to read LXer discussion on this. Script for defragmentation is available at this page.


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Linux related e-books - Free

Posted by DevOps
Free Linux related e-books. E-books:
  1. Advanced Linux Programming by CodeSourcery LLC
  2. Comprehensive Linux Textbook by Muayyad Saleh Al-Sadi
  3. Java Application Development on Linux by Carl Albing and Michael Schwarz (PDF)
  4. Linux Client Migration Cookbook, Version 2: A Practical Planning and Implementation Guide for Migrating to Desktop Linux by Chris Almond
  5. Linux Compute Clusters by Chander Kant
  6. The Linux Cookbook: Tips and Techniques for Everyday Use by Michael Stutz
  7. Linux Device Drivers by Alessandro Rubini and Jonathan Corbet
  8. Linux Installation and Getting Started by Matt Welsh
  9. Linux Kernel Module Programming Guide by Ori Pomerantz
  10. Linux Network Administrator’s Guide by Olaf Kirch and Terry Dawson
  11. Securing and Optimizing Linux by Gerhard Mourani
  12. Self-Service Linux: Mastering the Art of Problem Determination by Dan Behman and Mark Wilding
  13. Slackware Linux Essentials by Alan Hicks, Chris Lumens, David Cantrell, and Logan Johnson
  14. Linux Admins Security Guide
  15. Linux Security Howto
  16. Linux Firewall Configuration, Packet Filtering & netfilter/iptables
  17. Linux Device Drivers, Third Edition
  18. GNU Bash Reference Manual
  19. Knowing Knoppix
  20. Linux Client Migration Cookbook
  21. Vi iMproved (VIM)
  22. Linux: Rute User’s Tutorial and Exposition
  23. The Book of Webmin
  24. Linux From Scratch
  25. GNU Emacs manual
  26. Writing GNOME Applications
  27. KDE 2.0 Development
  28. GTK+/Gnome Application Development
  29. GNU Autoconf, Automake and Libtool
  30. Advanced Linux Programming
  31. Secure Programming for Linux and Unix
  32. The Art of Unix Programming
  33. The Linux Development Platform
  34. C++ GUI Programming With Qt 3
  35. Unofficial Ubuntu Guide
  36. The Easiest Linux Guide You’ll Ever Read - An Introduction to Linux for Windows users
  37. SUSE Linux Administration Guide
  38. Red Hat Enterprise Linux Installation Guide
  39. Red Hat Enterprise Linux Reference Guide
  40. Red Hat Enterprise Linux Step By Step Guide
  41. Fedora Linux EssentialsVisual Basic Essentials
  42. Fedora Core 7 Desktop Guide
  43. Ubuntu Linux Essentials
  44. PHP Essentials
  45. Javascript Essentials
  46. Red Hat Fedora Core 7 Installation Guide
  47. The Art of Unix Programming
  48. Bash Guide for Beginners
  49. Beyond Linux from Scratch
  50. The Book of Webmin Or: How I Learned to Stop Worrying and Love UNIX
  51. Brian and Tom’s Linux Book
  52. Debian GNU/Linux Desktop Survival Guide
  53. Debian GNU/Linux System Administrator’s Manual
  54. Everyday Linux
  55. FreeBSD HandbookGNU Manuals OnlineIn The Beginning Was The Command Line
  56. Introduction to Linux - A Hands on Guide
  57. LDAP Operations HOWTOLearning Debian GNU/Linux
  58. Learning the Unix Operating System
  59. Linux Administration Made Easy
  60. Linux Dictionary
  61. The Linux kernel
  62. Linux Kernel 2.4 Internals
  63. The Linux Kernel Module Programming Guide
  64. LINUX: Rute User’s Tutorial and Exposition
  65. Maximum RPM, Taking the Red Hat Package Manager to the Limit
  66. Pocket Linux Guide
  67. Secure Programming for Linux and Unix HOWTO
  68. Linux+ Study Guide

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