276 Part III . Choosing and Installing a (Submit web site)
276 Part III . Choosing and Installing a Linux Distribution RPM Package Management All Red Hat Linux distributions use the RPM Package Management (RPM) software packaging format to store and maintain software that the distributions use. Fedora Core and RHEL contain a set of tools for installing, upgrading, maintaining, and querying software packages in RPM format. Essentially, the RPM software packages that are installed are maintained in a database, so you can list the contents of packages, view descriptions, and even check for tampering of the files in those packages. Using RPM, add-on software can also be easily included in and maintained for Fedora systems. So users who once had to know how to deal with tarballs and makefiles to compile their own software can now simply install an RPM package to get the features they want. With other Linux distributions (such as SUSE and Mandrake) also using RPM packaging, your RPM tool skills can help you manage software on those distributions as well. Because of the popularity of Red Hat Linux systems, lots of software repositories and third-party software management tools have been created to further automate and simplify handling software in Red Hat systems. Tools such as yum (www.linux. duke.edu/projects/yum) and apt4rpm (http://apt4rpm.sourceforge.net) are available for updating selected software. AutoRPM (www.autorpm.org) was created to automatically get RPM updates from Red Hat and install them on a single system or a cluster of machines. Kudzu Hardware Detection Early Linux systems required that someone installing Linux know a lot about their hardware and the Linux drivers needed for that hardware to work. The kudzu feature was created by Red Hat to detect and configure a lot of computer hardware automatically. This feature is a great boost to those who don t want to worry about finding and selecting the drivers needed for their computer hardware. Kudzu runs during your initial Red Hat installation to detect your system s hardware. It also runs each time you start your Fedora or RHEL system so that if you add or remove hardware and restart the system, it can try to determine what the hardware is and offer you the opportunity to configure it or remove the driver, as appropriate. The highly touted hardware detection done by the KNOPPIX bootable Linux distribution is based on the kudzu libraries from Red Hat Inc. Red Hat Desktop Look-and-Feel To add a level of consistency to the desktops on its Linux systems, Red Hat created a look-and-feel that is pretty much the same for both GNOME and KDE. Of course there are some differences in color and logos, but a user can expect to find menus, panels, workspaces, and other desktop features in Fedora Core and RHEL systems to be very similar. Note
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