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For example, you would search for sargeif you re using the version ofKnoppix that came with this book. Unfortunately, a lot of what you findis going to be somewhat cryptic. Pick a repository or three. 5.Once you have found something you re interested in, check to seewhether a red X is in its check box. If so, that repository isn t incredibly stable, and you may not want to use it. 6.If there is no red X, or you re willing to risk an unstable repository justin case it s up and working, click the Download As Text link to the rightof the listing. You re brought to a page that looks like the following (the indented itemsare actually part of the previous line; there are only three lines here): # Helix Software for Debiandeb http://helix.alioth.debian.org/deb sid main non-freedeb http://helix.alioth.debian.org/deb sarge main non-free7.Find the line in this listing that has the name of your Debian versionin it. For example, the last line has sargein it. 8.Open the /etc/apt/sources.list in your favorite text editor. 9.At the end of the file, add the line you found. For example: deb http://helix.alioth.debian.org/deb sarge main non-freeThere are other repositories listed in here that you can make availableby removing the # at the beginning of their line. Only do this with linesformatted like the preceding code line. Everything else is a Comment, which is used to just leave notes so you can understand what you relooking at. 10.Save and exit the file. Go to the section Keeping Knoppix Up to Date, earlier in this chapter forhow to load up the new list of software and then go to the section Installingnew Software on an Installed Knoppix System for how to add software fromyour new repositories. Aren t Sure a Machine Actually Works? If you re having hardware trouble, you can try booting a machine from Knoppixto get a hint of where the problem is. If the machine can boot with Knoppix, 390Part V:The Part of Tens

3.Click program names to see descriptions on the right. Once you haveselected a program you want to install, click the dot to its right toreplace it with a checkmark. 4.Continue selecting programs until you ve marked all that you want toinstall. 5.Click Install once you re ready to add everything you have marked. Just as with updating, the more you choose to add, the longer it takes to download and add the software. You may be asked configurationquestions along the way. KPackage walks you through the rest of theprocess. Adding More Software RepositoriesDid you install Knoppix, but you can t find all the programs you want to add? Because Knoppix is a variant of the Debian distribution (www.debian.org), you can usually add anything to Knoppix that you can add to Debian. So, thetrick is to find the proper Debian software repositories and add them to yoursystem so that KPackage knows where to find them. The skills described in this section are useful for those using Linspire andXandros as well, because both of those distributions are based on Debian, too. To do so: 1.Click the terminal icon on your panel to open a terminal window. 2.Type cat /etc/debian_versionto find out which version of Debianyour version of Knoppix relates to. The Knoppix included on the DVD-ROM that comes with this book isKnoppix 3.6, which is related to Debian 3.1. Going to Debian s Web site, you see that this release is called sarge (www.debian.org/releases/ sarge) it can be important in Debian to know the name; sometimesit s used more often than the number. 3.Click the View The Full List Of Sites link and wait for the large page to load. If there s a specific program you want, click the Search For A Packagelink instead. 4.Within this page, use your browser s search feature to search for theDebian version name. 389Chapter 21: Ten CoolUses for Knoppix29_

Installing New Software in LiveCD KnoppixThere are two ways to install new software in Knoppix, depending on whetheryou re using Knoppix as a LiveCD (you didn t install it), or whether you actu- ally installed it. If you installed Knoppix, see the next section, Installing NewSoftware on an Installed Knoppix System. To add new software when you re using Knoppix as a LiveCD remember thatit will be lost when you reboot, unless you use the techniques detailed in thesection Functioning As a Portable Desktop, earlier in this chapter makesure that you re connected to the Internet and then: 1.From the main menu, choose KNOPPIX.System.Install Software(while running from CD). The Disclaimer dialog box appears. 2.Read the dialog box s contents and click OK. The Choose Software dialog box appears. Here, you find a relatively limited set of options. 3.Select the program you want to add and click OK. The installation details dialog box appears. 4.Read the dialog box s contents and click OK. The software is downloaded and added. When finished, the Successdialog box appears. 5.Click OK to remove the dialog box. Installing New Software on an InstalledKnoppix SystemIf you installed Knoppix, you can add software to your system by making surethat you re connected to the Internet and then doing the following: 1.From the main menu, choose System.KPackage (Package Manager). The KPackage package management program opens. 2.Click the New tab to see the list of software that you don t haveinstalled. 388Part V:The Part of Tens