Php web hosting - 449Chapter 18Running Bootable Linux Distributions .DistroWatch.com DistroWatch keeps a

449Chapter 18Running Bootable Linux Distributions .DistroWatch.com DistroWatch keeps a list of CD-based Linux distributionsand live Linux CDs (distrowatch.com/dwres.php?resource=cd). Its sitealso contains information and links to hundreds of distributions. Because these distributions are based on open source technology, they rely onmany of the same components in their basic technology. The SYSLINUX Project(http://syslinux.zytor.com) is responsible for the boot-loader technologyused in most Linux distributions. Hardware detection is often based on Kudzulibraries created by Red Hat Inc. and enhanced by the KNOPPIX project. If a graphi- cal interface is included, all but the most compact distributions use the X Windowsystem (www.x.org), with space requirements dictating the exact window managerused with it. If you have trouble running any bootable Linux distributions, try adding options tothe boot prompt. Because so many of the distributions are based on KNOPPIX, referto the KNOPPIX boot options (also called cheat codes) described in Chapter 11 tohelp get your Linux distribution to start up the way you would like. View these codesonline at www.knoppix.net/docs/index.php/CheatCodes. This book comes with several bootable Linux distributions, and these are noted asyou read through the descriptions later in this chapter. You can get more recent ver- sions of distributions that interest you (some are updated quite often) by followinglinks from sites that were just mentioned. Most bootable Linux distributions are created by individuals and should still beconsidered as experimental in nature. The quality can vary widely and sometimesthe controls are not as stringent as they would be for commercial Linux systems, such as Red Hat or SUSE. You can limit your risks by doing such things as mount- ing all hard disk partitions read-only (as is usually done by default), but rememberthat this software is distributed with no warranty. Booting Rescue DistributionsRescue CDs are not a new concept. Nearly every commercial operating systemcomes with a CD that lets you boot your computer if the hard disk fails. But theavailability of a wide range of high-quality open source software for diagnosing andfixing problems on a computer or network have made Linux-based rescue CDs thechoice of many professional IT troubleshooters. Popular Linux rescue CDs that illustrate very well how many tools you can get on asingle CD include the Knoppix-STD and the Inside Security Rescue Toolkit (INSERT) rescue CDs. Caution25_
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