Red Hat Enterprise Linux 5 Administration Unleashed

90CHAPTER 3Operating System UpdatesTo install RPM packages using a graphical program, select Add/Remove Software fromthe Applications menu on the top panel of the desktop. If you are not the root user, youare prompted to enter the root password before continuing. Figure 3.1 shows the interface.The Package Manager program can also be started by executing the pirut command.This application is provided by the pirut RPM package, which is installed on a Red HatEnterprise Linux system by default.FIGURE 3.1Installing SoftwareThe application consists of three tabs, which provide different functions:. Browse: Browse packages by software sets. This is the same interface used duringinstallation.. Search: Search for a package by its name. Filter results by already installed packagesor available packages.. List: List all packages in the RHN channels to which the system is subscribed, list allinstalled packages, or list all packages available for installation on the system.Packages with a check mark beside them are already installed or are packagesselected for installation.To install a package with the Package Manager, use one of the three tabs to find thepackage to install, and click the check box beside it so that a check mark appears in it. Forexample, on the Search tab, select the Available packages option, enter a package nameto find, and click Search. To view a brief description of a package found, select it from thelist, and click the triangle icon beside Package Details as shown in Figure 3.2.