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16 January, 2006
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Live Knoppix Is Very Nice Desktop Linux

Cheat Knoppix 4 to Improve Performance

Part 3. Advanced Knoppix Cheating

You can use more than one Knoppix cheat at a time by chaining cheats. For example, let's say you want to use both the ALSA cheat and the performance cheat . . .

Mike Angelo -- 16 Janaury 2006 (C)

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Editor's Note: This article is entirely too long. So, we broke it down into a four-part series. Each of the four parts seems somewhat independent of the other parts. However, the knowledge and skills you pick up in each part are necessary for all, but the advanced reader, to fully understand the other parts.

You might be able to jump into a specific part and understand it completely. If not, you can start at the beginning of the series and read through to the end -- your choice.

Please check the Article Index below to see how the parts are laid out and what is covered in each part. Links will be activated as each part is published. Ed.

Article Index

[Part 1. Cheat Code Basics and the ALSA Cheat Code]

[Part 2. Performance Improvement Cheats]

[Part 3. Advanced Cheating]

[Part 4. Computer on a Disc and a USB Key]

  • Persistent Knoppix
  • Conclusion

Resources

"What is KNOPPIX?"

"KNOPPIX is a bootable CD or DVD with a collection of GNU/Linux software, automatic hardware detection, and support for many graphics cards, sound cards, SCSI and USB devices and other peripherals. KNOPPIX can be used as a productive Linux desktop, educational CD, rescue system, or adapted and used as a platform for commercial software product demos. It is not necessary to install anything on a hard disk. Due to on-the-fly decompression, the CD can have up to 2 GB of executable software installed on it. (over 8 GB on the DVD "Maxi" edition)." Knoppix Information (Link in the Resources section at the end of this article.)

Knoppix is based on the Debian Linux distribution.

Knoppix Hacks Note:

Knoppix Hacks - 100 Industrial-Strength Tips & Tools (By Kyle Rankin, O'Reilly, 2004) is recommended several times in this article. It's a good book.

However, there are holes (missing information) in it too. In some cases the information that seems to be missing is in another section. And sometimes it is not in the book at all.

For the most part if you are an experienced Linux user and have some familiarity with the Linux command line, you will realize where there is missing information and be able to fill in the holes from your knowledge of Linux, or at least realize you need to look for the missing information.

If you are not a very experienced Linux user or not familiar with the Linux command line, you should read Knoppix Hacks from the beginning rather than jump into a Hack. That way, you will come across information that you need for later Hacks in the book that is missing in the later Hacks.

Today, in Part 3, this tutorial shows you how to chain Knoppix cheat codes so that you can use several of them in the same Knoppix session. It also shows you how to find lots more Knoppix cheats.

Next in Part 4, you will learn how to put together all the stuff you learned in Parts 1 through 3 to make a very portable Live-Knoppix setup. It's really very slick and it is very handy too.

In Parts 1 and 2 of this Knoppix tutorial, we laid out the basics of using Knoppix cheat codes. Then we applied those basics to:

(1) switch from the default OSS sound drivers to the ALSA sound drivers,

(2) copy the live CD image to a USB key in order to speed up Knoppix, and

(3) free up the CD/DVD drive normally used to run the live, Knoppix, Linux OS and applications.

Today's tutorial builds on what you learned in Part 1. Cheat Code Basics and the ALSA Cheat Code, and in Part 2. Performance Improvement Cheats to chain several cheats together at the same boot: prompt.

If you already have not done so, please read Part 1. Cheat Code Basics and the ALSA Cheat Code and Part 2. Performance Improvement Cheats Doing so will get you up to speed on the basics of using Knoppix cheat codes.

Preview

In Part 1 we used the knoppix alsa cheat to force Knoppix to use the ALSA drivers. Then in Part 2, we used the

tohd=/dev/sda1

and the

fromhd=/dev/sda1

cheats to make Knoppix run faster and to free a CD/DVD drive.

Today in Part 3 we will show you how to chain several cheats together at the same boot: prompt. As an example, we will chain the

alsa

and the

fromhd=/dev/sda1

cheats. That lets you both force Knoppix to use the ALSA drivers and also force Knoppix to grab its files from a USB key, rather than the live Knoppix CD.

Chaining Cheats

You can use more than one Knoppix cheat at a time by chaining cheats. For example, let's say you want to use both the ALSA cheat and the performance cheat.

First tell Knoppix to use its default Linux kernel by typing

knoppix

at the boot: prompt, just like you have been doing all along with the cheats in this tutorial series. Next, type a

space

and then

alsa

following the kernel choice, knoppix, which you already typed in.

Now, your boot-parameters string should be:

knoppix alsa.

This command string tells the Knoppix boot loader and startup process to use the default Knoppix Linux kernel and to force the system to use the ALSA drivers.

Next add the cheat code to force Knoppix to read its live CD image and files from the USB key, fromhd=/dev/sda1. So, type a

space

and then

fromhd=/dev/sda1

following the knoppix alsa string, which you already typed in.

Now your boot prompt cheat parameters should be:

knoppix alsa fromhd=/dev/sda1.

That directs Knoppix to use its default kernel and to use the ALSA sound drivers. Additionally, it also directs Knoppix to use your USB key to read its live CD image and files from the USB key rather then from the CD drive.

Then hit the enter key. That's simple enough, is it not?

You can chain as many Knoppix cheats as you like. However, only type the knoppix parameter once -- and only at the beginning of the cheats string.

For example, if you want to set your screen resolution to 1280x1024, simply add this text to your cheats string at the boot prompt:

screen=1280x1024.

Now the string of parameters you have typed at the boot prompt is:

knoppix alsa fromhd=/dev/sda1 screen=1280x1024 .

Another caution is to be careful about which cheats you chain. For example, do not chain the tohd=/dev/sda1 and fromhd=/dev/sda1 cheats. It is doubtful that Knoppix can both read its files from the USB key and copy them to the USB key at the same time. So, use your head when chaining Knoppix cheats.

More Knoppix Cheat Codes

You can find more Knoppix cheats by hitting F3 when the Knoppix, boot-prompt splash-screen appears. Hitting F2 when the boot-prompt splash-screen appears provides a list of Linux kernels and other actions that you can try instead of the default Knoppix kernel parameter, knoppix.

There is a Cheatcodes And Hints For Knoppix V4.0 page on the Knoppix Web site that has an extensive list of Knoppix cheat codes. (Link in Resources section at the end of this article.)

Chapter 1 in Knoppix Hacks - 100 Industrial-Strength Tips & Tools (By Kyle Rankin, O'Reilly, 2004) has more Knoppix cheat codes too.

Look for Part 4, Computer on a Disc and a USB Key, coming soon. In Part 4, you will learn how to put together all the stuff you learned in Parts 1 through 3 to make a very portable Live Knoppix setup. It's really very slick.

We discuss Live Knoppix more fully in our articles Give the Gift of Knoppix Linux and a Book for Less Than $30 -- Knoppix for Dummies and Santa's 2005 Picks for Linux and Windows Computer Gifts.

If you want to chat about Linux in general try the #LinuxLounge channel on EFNet IRC (Internet Relay Chat).

irc://irc.efnet.net/#LinuxLounge


Article Index

[Part 1. Cheat Code Basics and the ALSA Cheat Code]

[Part 2. Performance Improvement Cheats]

[Part 3. Advanced Cheating]

[Part 4. Computer on a Disc and a USB Key]

  • Persistent Knoppix
  • Conclusion

Resources

Books

The Linux books listed below will help to show you why Linux-based, GNU operating system is a better operating system than MS Windows. And they describe and help you to use much of the free software that comes with most Linux-based distributions.

Most of the book links listed below lead you to Web pages about the books that also, there, have links to things such as Tables of Contents and sample chapters. The sample chapters are free and well worth reading.

  • Some Interesting Linux Books

Acing the LINUX+ Certification Exam, Patrick Regan, Pearson Prentice Hall, ISBN: 0131121553. $88

Beginning Linux Programming, 3rd Edition, Matthew and Stones, (Foreword by Alan Cox), Wiley. ISBN: 0-7645-4497-7. $40

Building Applications with the Linux Standard Base, Linux Standard Base Team, Pearson Prentice Hall, ISBN: 0-13-145695-4

Building Clustered Linux Systems, By Robert Lucke, Pearson Prentice Hall, ISBN: 0-13-144853-6. $50


Expanding Choice: Moving to Linux and Open Source with Novell Open Enterprise Server, Jason Williams/Peter Clegg/Emmett Dulaney, Novell Press, ISBN: 0-672-32722-8. $30


Fedora 4 Linux All in One, By Aron Hsiao, Sams, ISBN: 0672327074. $40.

Fedora 4 Unleashed, By Paul Hudson, Andrew Hudson, Bill Ball, Hoyt Duff, Sams, ISBN: 0672327929. $50.


Knoppix Hacks - 100 Industrial-Strength Tips & Tools, By Kyle Rankin, O'Reilly, ISBN: 0-596-00787-6. $30


Linux Bible, 2005 Edition, Christopher Negus, Wiley, ISBN: 0-7645-7949-5. $40

Linux Desktop Garage, By Susan Matteson, Pearson Prentice Hall, ISBN: 0-13-149419-8. $30

Linux Desktop Pocket Guide, David Brickner, O'Reilly, ISBN: 0-596-10104-X. $10


Linux Desktop Hacks - Tips & Tools for Customizing and Optimizing your OS, By Nicholas Petreley, Jono Bacon, O'Reilly, ISBN: 0-596-00911-9. $50

Linux in a Nuthsell, 5th Ed., Siever, Figgins, Weber, Love and Robbisn, O'Reilly, ISBN: 0-596-00930-5. $45

Linux Kernel Development, 2nd Ed., Robert Love, Novell Press., ISBN: 0672327201. $45

Linux Network Architecture, By Wehrle, Pahlke, Ritter, Muller, and Bechler, Pearson Prentice Hall, ISBN: 0131777203. $50


Linux Programming by Example: The Fundamentals, Arnold Robbins, , Prentice Hall PTR, ISBN: 0131429647. $40

The Linux Process Manager: The internals of scheduling, interrupts and signals, By John O'Gorman, Wiley, ISBN: 0-470-84771-9. $35

Linux Quick Fix Notebook, By Peter Harrison, Pearson Prentice Hall, ISBN: 0131861506. $40

Linux Troubleshooting Bible, Christopher Negus, Thomas Weeks, Wiley, ISBN: 0-7645-6997-X. $30


Mandrakelinux Discovery 10.1 - Your First Linux Desktop, By Mandrakesoft, Mandrakesoft, ISBN: 2-84798-085-7. $64

Mandrakelinux PowerPack 10.1 - The Full Power of Linux Desktop, By Mandrakesoft, Mandrakesoft, ISBN: 2-84798-086-5. $87


Novell Certified Linux Engineer (Novell CLE) Study Guide, Robb Tracy, Novell Press, ISBN: 0789732033. $60

Novell Linux Desktop 9 User's Handbook, Joe Habraken, Novell Press, ISBN: 0672327295. $35


Official Fedora Companion, Nick Petreley, Wiley, ISBN: 0-7645-5836-6. $20

Operating Systems, 3rd Edition, Deitel, Deitel, and David, Pearson Prentice Hall, ISBN: 0131828274. $103

Optimizing Linux Performance: A Hands-on Guide to Linux Performance Tools, By Phillip Ezolt, Pearson Prentice Hall, ISBN: 0131486829. $50


Point & Click Linux!, By Robin Miller, Pearson Prentice Hall, ISBN: 0131488724. $30

Principles of Network and System Administration, 2nd Edition, Mark Burgess, Wiley, ISBN: 0-470-86807-4. $50


Running Linux, 4th Ed., Welsh, Dalheimer, Dawson, and Kaufman, O'Reilly, ISBN, 0-596-00272-6. $45

SUSE Linux 9 Bible, Justin Davies, Roger Whittaker, William von Hagen, Wiley, ISBN: 0-7645-7739-5. $40

Test Driving Linux: From Windows to Linux in 60 Seconds, David Brickner, O'Reilly, ISBN: 0-596-00754-X. $25

Understanding the Linux Kernel, 2nd Edition, Daniel P. Bovet and Marco Cesati, O'Reilly, ISBN: 0-596-00213-0. $50

Understanding the Linux Virtual Memory Manager, Mel Gorman, Prentice Hall PTR, ISBN: 0131453483. $60


UNIX Shells by Example, 4th Edition, By Ellie Quigley, Pearson Prentice Hall, ISBN: 013147572X. $50

Resources


Knoppix

Knoppix Information

Cheatcodes And Hints For Knoppix V4.0

Cheatcodes


Kingston Data Traveler Elite

DataTraveler Elite Data Sheet

Kingston DataTraveler Family - USB Flash Drives

Kingston USB Keys (flash drives) from $19 MSRP


Flash memory (From Wikipedia, the free encyclopedia)

Advanced Linux Sound Architecture (ALSA)


Knoppix Hacks - 100 Industrial-Strength Tips & Tools, By Kyle Rankin, O'Reilly, ISBN: 0-596-00787-6. $30

Sample Hacks

Linux Multimedia Hacks (By Kyle Rankin, O'Reilly, 2005)


Other Knopppix, Debian, and Live CD/DVD Books


Debian GNU/Linux 3.1 Bible, B. Harris and Jaldhar Vyas, Wiley, ISBN: 0-7645-7644-5. $40.

The Debian System: Concepts and Techniques, Martin F. Krafft, ISBN 1-593270-69-0. $44.95

Knoppix For Dummies, Paul G. Sery, Wiley, ISBN: 0-7645-9779-5. $29.99

Point & Click Linux!, By Robin Miller, Pearson Prentice Hall, ISBN: 0131488724. $30

Test Driving Linux: From Windows to Linux in 60 Seconds, David Brickner, O'Reilly, ISBN: 0-596-00754-X. $25


  • Linux Chat and Help

  • Related Linux and Open Source Software Articles


Give the Gift of Knoppix Linux and a Book for Less Than $30 -- Knoppix for Dummies

Santa's 2005 Picks for Linux and Windows Computer Gifts


A Glimpse of SUSE Linux 10.0 and Other Things Brewing at Novell

A Glimpse of OpenOffice 2.0 -- Now Available for Free Public Downloading

Is It Deja Deja Novell All Over Again, Again? -- Ximian/GNOME v SUSE/KDE at Novell


Good Sound, Easy Listening, and Good Value Lexar LDP-200 Digital Music Player and SD Card Reader for Linux, Mac, and Windows


The Many Faces of Linux


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Mandrake Linux Shows Profit -- End to Bankruptcy Near


Conectiva, Mandrake, and SuSE Say No SCO in Their Code

SCO-Caldera v IBM: Conectiva's Gordon Ho Responds to SCO-Caldera's Linux-Related Allegations


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